{"id":1155,"date":"2023-03-01T15:26:02","date_gmt":"2023-03-01T14:26:02","guid":{"rendered":"https:\/\/martin-gmbh.de\/messtechnik-en\/"},"modified":"2025-06-02T10:11:58","modified_gmt":"2025-06-02T08:11:58","slug":"measuring-technics","status":"publish","type":"page","link":"https:\/\/martin-gmbh.de\/en\/services\/measuring-technics\/","title":{"rendered":"Measuring technics"},"content":{"rendered":"<div id=\"cs-content\" class=\"cs-content\"><div class=\"x-section e1155-e1-v0 mw3-0 mw3-1\" style=\"--tco-dcw3-0:url(https:\/\/martin-gmbh.de\/wp-content\/uploads\/Martin-GmbH-07.jpg);--tco-dcw3-1:100%;\"><div class=\"x-bg\" aria-hidden=\"true\"><div class=\"x-bg-layer-lower-image\" data-x-element-bg-layer=\"{&quot;parallaxSize&quot;:&quot;150%&quot;,&quot;parallaxDir&quot;:&quot;v&quot;,&quot;parallaxRev&quot;:false}\"><\/div><\/div><div class=\"x-row x-container max width e1155-e1-v1 mw3-6 mw3-7 mw3-8 mw3-9 mw3-d mw3-e\"><div class=\"x-row-inner\"><div class=\"x-col e1155-e1-v2 mw3-i mw3-j mw3-k mw3-l mw3-m\"><div class=\"x-text x-text-headline e1155-e1-v3 mw3-q mw3-r mw3-s mw3-t mw3-u mw3-v\"><div class=\"x-text-content\"><div class=\"x-text-content-text\"><h1 class=\"x-text-content-text-primary\">Measuring technics<\/h1>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-section e1155-e2 mw3-0 mw3-2 mw3-3\"><div class=\"x-row x-container max width e1155-e3 mw3-6 mw3-8 mw3-9 mw3-a mw3-d mw3-f\"><div class=\"x-row-inner\"><div class=\"x-col e1155-e4 mw3-i mw3-k mw3-l mw3-m mw3-n\"><i class=\"x-icon e1155-e5 mw3-14 mw3-15\" aria-hidden=\"true\" data-x-icon-l=\"&#xf5f8;\"><\/i><div style=\"--tco-dcw3-2:rgb(50, 50, 50);--tco-dcw3-5:rgb(50, 50, 50);\" class=\"x-text x-content e1155-e6-v0 mw3-19 mw3-1a mw3-5\">Cathodic protection requires professional commissioning and regular, expert maintenance. The application of numerous measuring techniques provides the decisive data basis for the evaluation of the protected structure.<\/div><\/div><\/div><\/div><\/div><div class=\"x-section e1155-e7-v0 mw3-0 mw3-3 mw3-4\"><div class=\"x-row x-container max width e1155-e7-v1 mw3-6 mw3-7 mw3-9 mw3-b mw3-d mw3-g\"><div class=\"x-row-inner\"><div class=\"x-col x-hide-md x-hide-sm x-hide-xs e1155-e7-v2 mw3-i mw3-l mw3-n mw3-o sticky\"><div class=\"x-div e1155-e7-v3 mw3-1c mw3-1d mw3-1e mw3-1f mw3-1g mw3-1h mw3-1i mw3-1j mw3-1k mw3-1l mw3-1m mw3-1n umbruch\"><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1185\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Commissioning<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1172\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Defect finding<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1189\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Design<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1177\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Evidence remote inspection category<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1184\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Influence measurement<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1179\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Intensive holidays location<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1180\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Intensive measurement<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1198\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Measurements during construction<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1188\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Monitoring measurements<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1182\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Polarisation current measurement, limiting current measurements\/calculations<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1186\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Protected area investigation<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1171\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Safety checks<\/span><\/div><\/div><\/a><a class=\"x-anchor x-anchor-button e1155-e7-v4 mw3-1z mw3-20 mw3-21\" tabindex=\"0\" href=\"#post-1187\"><div class=\"x-anchor-content\"><div class=\"x-anchor-text\"><span class=\"x-anchor-text-primary\">Stock-taking<\/span><\/div><\/div><\/a><\/div><\/div><div class=\"x-col e1155-e7-v5 mw3-i mw3-k mw3-l mw3-m mw3-n\"><div class=\"x-anchor x-anchor-toggle has-graphic x-hide-lg x-hide-xl e1155-e7-v6 mw3-1z mw3-20 mw3-22\" tabindex=\"0\" role=\"button\" data-x-toggle=\"1\" data-x-toggleable=\"e1155-e7-v6\" data-x-toggle-overlay=\"1\" aria-controls=\"e1155-e7-v6-off-canvas\" aria-expanded=\"false\" aria-haspopup=\"true\" aria-label=\"Toggle Off Canvas Content\"><div class=\"x-anchor-content\"><span class=\"x-graphic\" aria-hidden=\"true\">\n<span class=\"x-toggle x-toggle-burger x-graphic-child x-graphic-toggle\" aria-hidden=\"true\">\n\n  \n    <span class=\"x-toggle-burger-bun-t\" data-x-toggle-anim=\"x-bun-t-1\"><\/span>\n    <span class=\"x-toggle-burger-patty\" data-x-toggle-anim=\"x-patty-1\"><\/span>\n    <span class=\"x-toggle-burger-bun-b\" data-x-toggle-anim=\"x-bun-b-1\"><\/span>\n\n  \n<\/span><\/span><\/div><\/div><div class=\"x-row e1155-e7-v12 mw3-6 mw3-7 mw3-b mw3-c mw3-d mw3-h\"><div class=\"x-row-inner\"><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1185\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Commissioning<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">The commissioning of new CP systems consists of the preliminary test and adjustment of the CP, the re-measurement, the proof of the effectiveness of the CP and the determination of the reference values according to DVGW GW 10.<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-0-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-0-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-0-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-0-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Preliminary examination<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-0-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-0-0\" data-x-toggleable=\"e1155-e7-v19-v1-0-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">As part of the preliminary test, a comparison is made between the planned values and the values actually realised after construction before the CP system is switched on.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-0-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-0-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-0-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-0-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Switching on and setting the cathodic protection<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-0-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-0-1\" data-x-toggleable=\"e1155-e7-v19-v1-0-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">When the CP is switched on and set, the planning parameters of the CP system are implemented.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-0-2\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-0-2\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-0-2\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-0-2\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Re-measurement<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-0-2\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-0-2\" data-x-toggleable=\"e1155-e7-v19-v1-0-2\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">Within the follow-up measurement, the initial proof of effectiveness of the CP as well as influence, lightning and protection against accidental contact inspections take place. The assessment and certification is carried out by the CP expert.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-0-3\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-0-3\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-0-3\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-0-3\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Evidence of effectiveness<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-0-3\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-0-3\" data-x-toggleable=\"e1155-e7-v19-v1-0-3\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">To determine the reference values, the effectiveness of the CP must be explicitly demonstrated at least once on a cathodically protected object at all coating holidays.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-0-4\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-0-4\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-0-4\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-0-4\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Determination of reference values<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-0-4\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-0-4\" data-x-toggleable=\"e1155-e7-v19-v1-0-4\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The definition of reference values in accordance with DVGW GW 10 and DVGW GW 17 is necessary in order to be able to assess the condition of a pipe system with regard to CP using a structured database.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1172\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Defect finding<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">In the event of malfunctions in the operation of the CP, inadmissible foreign contacts and defects in protective structures and measuring points must be located and eliminated as part of the repair work.<\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1189\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Design<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">The objective of planning a CP system in accordance with DVGW GW 10 is to determine a technically and economically optimised solution with regard to its installation and with regard to influencing issues.<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-2-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-2-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-2-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-2-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Cathodic protection (CP)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-2-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-2-0\" data-x-toggleable=\"e1155-e7-v19-v1-2-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The tasks include the planning of the constructive design of the corrosion protection system and the planning of installations for the required protective power supply as well as the investigation and consideration of possible influences.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-2-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-2-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-2-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-2-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Local cathodic protection (LKS)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-2-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-2-1\" data-x-toggleable=\"e1155-e7-v19-v1-2-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The planning of an LKS system is carried out according to the regulations of DIN EN 14505.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-2-2\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-2-2\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-2-2\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-2-2\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Internal corrosion protection (IKS)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-2-2\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-2-2\" data-x-toggleable=\"e1155-e7-v19-v1-2-2\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The planning of an IKS system is carried out according to the provisions of DIN EN 12499.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-2-3\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-2-3\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-2-3\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-2-3\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Remote inspection<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-2-3\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-2-3\" data-x-toggleable=\"e1155-e7-v19-v1-2-3\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">Setting up a remote inspection category in accordance with DVGW GW 10 significantly reduces the inspection effort through on-site measurements.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1177\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Evidence remote inspection category<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">In the course of the realisation of a remote inspection category, the respective category must be metrologically proven by means of a measurement programme.<\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1184\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Influence measurement<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Interference from stray currents can impair the effectiveness of the CP or make it difficult to prove its effectiveness. As a remedy, influence measurements according to DVGW GW 21 can be used.<\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1179\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Intensive holidays location<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Intensive holiday location to identify sheath faults and determine sheath quality can be carried out under operating conditions or with significantly increased protective current.<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-5-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-5-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-5-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-5-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Precise measurement of holidays<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-5-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-5-0\" data-x-toggleable=\"e1155-e7-v19-v1-5-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The coating holidays identified during an intensive measurement or intensive defect location can be measured with pinpoint accuracy for further measures.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1180\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Intensive measurement<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Intensive measurement in accordance with DVGW GW 27 is the usual measurement procedure for identifying coating holidays and proving the effectiveness of the CP at all coating faults in the pipe run.<\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1198\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Measurements during construction<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Measurements in the course of construction work on pipelines to prove the CP at holidays and to assess coating and pipeline damage<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\"> Electrolytic pore testing on weld seams<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-0\" data-x-toggleable=\"e1155-e7-v19-v1-7-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">To ensure the coating quality of postcoatings on weld seams, these must be tested in accordance with DVGW GW 10.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">pH value measurements<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-1\" data-x-toggleable=\"e1155-e7-v19-v1-7-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The measurement of the pH value is a proven method for proving the effectiveness of the CP in the context of excavations.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-2\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-2\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-2\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-2\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Potential measurements directly at holidays<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-2\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-2\" data-x-toggleable=\"e1155-e7-v19-v1-7-2\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">In the course of work on the protected object, potential measurements can be taken directly on the protected object to prove the effectiveness of the CP.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-3\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-3\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-3\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-3\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Materials testing<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-3\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-3\" data-x-toggleable=\"e1155-e7-v19-v1-7-3\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">As part of the condition assessment of a protected object, possible corrosion attacks on the protected object must be evaluated.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-4\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-4\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-4\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-4\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Coating test<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-4\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-4\" data-x-toggleable=\"e1155-e7-v19-v1-7-4\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The assessment of passive corrosion protection in the course of excavations includes the inspection of the coating for existing damage.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-7-5\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-7-5\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-7-5\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-7-5\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Determination of the specific soil resistance<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-7-5\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-7-5\" data-x-toggleable=\"e1155-e7-v19-v1-7-5\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The determination of the specific soil resistance is the basis for the evaluation of corrosion loads, influencing issues and various planning parameters.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1188\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Monitoring measurements<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">The inspection includes checking the function and effectiveness of the CP in accordance with DVGW GW 10.<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-8-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-8-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-8-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-8-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Cathodic protection (CP)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-8-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-8-0\" data-x-toggleable=\"e1155-e7-v19-v1-8-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The measurements are intended to reliably detect malfunctions of the CP of a protected object and to prove that the general condition of the corrosion protection system corresponds to that determined at the time of the re-measurement.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-8-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-8-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-8-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-8-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Local cathodic protection (LKS)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-8-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-8-1\" data-x-toggleable=\"e1155-e7-v19-v1-8-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The inspection of an LKS system is carried out according to the methods and <br \/>\nprocedures of DIN EN 14505.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-8-2\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-8-2\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-8-2\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-8-2\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Internal corrosion protection (IKS)<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-8-2\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-8-2\" data-x-toggleable=\"e1155-e7-v19-v1-8-2\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">The inspection of an IKS system is carried out according to the methods and <br \/>\nprocedures of DIN EN 12499.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1182\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Polarisation current measurement, limiting current measurements\/calculations<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Determination of the coating quality, comparative methods for demonstrating the effectiveness of the CP with high coating quality<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-9-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-9-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-9-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-9-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Polarisation current measurement<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-9-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-9-0\" data-x-toggleable=\"e1155-e7-v19-v1-9-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">For pipes with a high coating quality, the effectiveness of the CP can be proven by means of polarisation current measurement in accordance with DVGW GW 27.<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-9-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-9-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-9-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-9-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Determination of the coating resistance<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-9-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-9-1\" data-x-toggleable=\"e1155-e7-v19-v1-9-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">In the course of new installations of underground objects, a determination of the sheathing resistance according to DVGW GW 10 is required.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1186\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Protected area investigation<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">In the case of large cathodic protection areas with coupling of different network sections, a protection area survey can enable the application of the CP in these or restore the CP in the case of changes in the network sections.<\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1171\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Safety checks<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">Measurement inspection of installed safety equipment and the buildings<\/div><hr class=\"x-line e1155-e7-v17 mw3-25\"\/><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-11-0\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-11-0\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-11-0\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-11-0\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">Station<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-11-0\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-11-0\" data-x-toggleable=\"e1155-e7-v19-v1-11-0\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">Determination and performance of tests for explosion safety of structures in potentially explosive atmospheres based on TRBS 1201-1<\/div><\/div><\/div><\/div><\/div><div class=\"x-div e1155-e7-v18 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1m mw3-1n mw3-1q\"><div class=\"x-acc e1155-e7-v19-v0 mw3-26\" id=\"x-acc-e1155-e7-v19-v0-11-1\"><div class=\"e1155-e7-v19-v1 x-acc-item\"><button id=\"tab-e1155-e7-v19-v1-11-1\" class=\"x-acc-header\" role=\"button\" type=\"button\" aria-expanded=\"false\" aria-controls=\"panel-e1155-e7-v19-v1-11-1\" data-x-toggle=\"collapse\" data-x-toggleable=\"e1155-e7-v19-v1-11-1\"><span class=\"x-acc-header-content\"><span class=\"x-acc-header-indicator\"><i class=\"x-icon\" aria-hidden=\"true\" data-x-icon-s=\"&#xf101;\"><\/i><\/span><span class=\"x-acc-header-text\">DGUV Regulation 3<\/span><\/span><\/button><div id=\"panel-e1155-e7-v19-v1-11-1\" role=\"region\" aria-hidden=\"true\" aria-labelledby=\"tab-e1155-e7-v19-v1-11-1\" data-x-toggleable=\"e1155-e7-v19-v1-11-1\" data-x-toggle-collapse=\"1\" class=\"x-collapsed\"><div class=\"x-acc-content\">Testing of fixed structures and mobile equipment in accordance with accident prevention regulation DGUV V3<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"x-col e1155-e7-v13 mw3-l mw3-m mw3-p\" id=\"post-1187\"><div class=\"x-text x-text-headline has-graphic e1155-e7-v14 mw3-s mw3-t mw3-v mw3-w mw3-z mw3-10\"><div class=\"x-text-content\"><span class=\"x-graphic\" aria-hidden=\"true\"><i class=\"x-icon x-graphic-child x-graphic-icon x-graphic-primary\" aria-hidden=\"true\" data-x-icon-s=\"&#xf0da;\"><\/i><\/span><div class=\"x-text-content-text\"><h2 class=\"x-text-content-text-primary\">Stock-taking<\/h2>\n<\/div><\/div><\/div><div class=\"x-div e1155-e7-v15 mw3-1g mw3-1h mw3-1i mw3-1k mw3-1n mw3-1q mw3-1t\"><div class=\"x-text x-content e1155-e7-v16 mw3-1a mw3-1b umbruch\">If the documentation of a CP system is insufficient or if it is to be completely digitised, an stock-taking can provide all the necessary data.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Measuring technics Cathodic protection requires professional commissioning and regular, expert maintenance. The application of numerous measuring techniques provides the decisive data basis for the evaluation of the protected structure.CommissioningDefect findingDesignEvidence remote inspection categoryInfluence measurementIntensive holidays locationIntensive measurementMeasurements during constructionMonitoring measurementsPolarisation current measurement, limiting current measurements\/calculationsProtected area investigationSafety checksStock-taking Commissioning The commissioning of new CP systems consists of the preliminary test &#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":1090,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"template-blank-4.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1155","page","type-page","status-publish","hentry","no-post-thumbnail"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measuring technics - MARTIN GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Measuring technics - MARTIN GmbH\" \/>\n<meta property=\"og:description\" content=\"Measuring technics Cathodic protection requires professional commissioning and regular, expert maintenance. The application of numerous measuring techniques provides the decisive data basis for the evaluation of the protected structure.CommissioningDefect findingDesignEvidence remote inspection categoryInfluence measurementIntensive holidays locationIntensive measurementMeasurements during constructionMonitoring measurementsPolarisation current measurement, limiting current measurements\/calculationsProtected area investigationSafety checksStock-taking Commissioning The commissioning of new CP systems consists of the preliminary test ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/\" \/>\n<meta property=\"og:site_name\" content=\"MARTIN GmbH\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-02T08:11:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/martin-gmbh.de\/wp-content\/uploads\/Martin-FI.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/\",\"url\":\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/\",\"name\":\"Measuring technics - MARTIN GmbH\",\"isPartOf\":{\"@id\":\"https:\/\/martin-gmbh.de\/#website\"},\"datePublished\":\"2023-03-01T14:26:02+00:00\",\"dateModified\":\"2025-06-02T08:11:58+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Start\",\"item\":\"https:\/\/martin-gmbh.de\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Services\",\"item\":\"https:\/\/martin-gmbh.de\/dienstleistungen\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Measuring technics\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/martin-gmbh.de\/#website\",\"url\":\"https:\/\/martin-gmbh.de\/\",\"name\":\"MARTIN GmbH\",\"description\":\"Kathodischer Korrosionsschutz\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/martin-gmbh.de\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Measuring technics - MARTIN GmbH","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/martin-gmbh.de\/dienstleistungen\/messtechnik\/","og_locale":"en_US","og_type":"article","og_title":"Measuring technics - MARTIN GmbH","og_description":"Measuring technics Cathodic protection requires professional commissioning and regular, expert maintenance. 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