{"id":363,"date":"2018-05-15T11:48:56","date_gmt":"2018-05-15T06:18:56","guid":{"rendered":"http:\/\/sensorsindia.in\/?page_id=363"},"modified":"2018-07-20T16:43:04","modified_gmt":"2018-07-20T11:13:04","slug":"earthing-contact-resistance-tester","status":"publish","type":"page","link":"https:\/\/sensorsindia.in\/index.php\/electricals\/earthing-contact-resistance-tester\/","title":{"rendered":"EARTHING CONTACT RESISTANCE TESTER"},"content":{"rendered":"<h1 style=\"text-align: center;\">EARTHING CONTACT RESISTANCE TESTER<\/h1>\n<p><strong>EARTHING CONTACT RESISTANCE TESTER<\/strong> is a basic safety test prescribed in many standards to test samples for the proper connection of Earthing with appliance or Unit, throughout the sample. The fall-of-potential\u00a0<b>test<\/b>\u00a0method is used to\u00a0<b>measure<\/b>\u00a0the ability of an\u00a0<b>earth ground<\/b>\u00a0system or an individual electrode to dissipate energy from a site. The\u00a0<b>earth<\/b>\u00a0electrode of interest must be disconnected. The\u00a0<b>tester<\/b>\u00a0is then connected to the\u00a0<b>earth<\/b>\u00a0electrode.It checks the contact resistance between accessible metal parts of the Appliance and Earth by passing a high current and measuring the resultant voltage drop. (The principle of measurement is Ohm\u2019s Law) and the metering and transformers are properly designed to obtain accurate results. The appliance is placed on an insulating surface. The EARTH terminal of the\u00a0 electrode is firmly fixed to the main Earth terminal of the appliance The heavy duty cables and crocodile clip is firmly connected to the appliance that nullify the cable resistance or minimize the resistance when connected to various accessible metal parts of appliance or unit and a high current is passed between \u2018OUTPUT\u2019 and \u2018EARTH\u2019.<\/p>\n<p><strong>Distinctive Attributes<\/strong><\/p>\n<p style=\"padding-left: 30px;\"><strong>&gt;<\/strong> <strong>Bench top unit<\/strong> requiring a 230 Volts \/110 Volts AC, single phase.<br \/>\n<strong>&gt;<\/strong> <strong>Digital meters<\/strong> are provided for indicating Voltage and Current.<br \/>\n<strong>&gt;<\/strong> <strong>Heavy dut<\/strong>y output supply with current limiting.<br \/>\n<strong>&gt;<\/strong> <strong>Over current relay<\/strong> is provided case of output over current.<br \/>\n<strong>&gt; Test Voltage<\/strong>\u00a012 V AC or 5 Volts AC source as per requirement.<br \/>\n<strong>&gt; Test Current Range<\/strong>\u00a00~30 A AC, customized current source can be designed as per requirement<br \/>\n<strong>&gt; Voltmeter<\/strong>\u00a0Digital<br \/>\n<strong>&gt; Ammeter<\/strong>\u00a0Digital<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-368 size-full\" title=\"Earthing Contact Resistance Tester\" src=\"http:\/\/sensorsindia.in\/wp-content\/uploads\/2018\/05\/Earthing-Contact-Resistance-Tester.png\" alt=\"Earthing Contact Resistance Tester\" width=\"480\" height=\"360\" srcset=\"https:\/\/sensorsindia.in\/wp-content\/uploads\/2018\/05\/Earthing-Contact-Resistance-Tester.png 480w, https:\/\/sensorsindia.in\/wp-content\/uploads\/2018\/05\/Earthing-Contact-Resistance-Tester-300x225.png 300w, https:\/\/sensorsindia.in\/wp-content\/uploads\/2018\/05\/Earthing-Contact-Resistance-Tester-285x214.png 285w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n ","protected":false},"excerpt":{"rendered":"<p>EARTHING CONTACT RESISTANCE TESTER EARTHING CONTACT RESISTANCE TESTER is a basic safety test prescribed in many standards to test samples for the proper connection of Earthing with appliance or Unit, throughout the sample. The fall-of-potential\u00a0test\u00a0method is used to\u00a0measure\u00a0the ability of an\u00a0earth ground\u00a0system or an individual electrode to dissipate energy from a site. The\u00a0earth\u00a0electrode of interest<a href=\"https:\/\/sensorsindia.in\/index.php\/electricals\/earthing-contact-resistance-tester\/\">[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":86,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-fullwidth.php","meta":{"footnotes":""},"class_list":["post-363","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/pages\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/comments?post=363"}],"version-history":[{"count":6,"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/pages\/363\/revisions"}],"predecessor-version":[{"id":699,"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/pages\/363\/revisions\/699"}],"up":[{"embeddable":true,"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/pages\/86"}],"wp:attachment":[{"href":"https:\/\/sensorsindia.in\/index.php\/wp-json\/wp\/v2\/media?parent=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}