{"id":2541,"date":"2015-04-14T10:41:47","date_gmt":"2015-04-14T09:41:47","guid":{"rendered":"http:\/\/sifamtinsley.co.uk\/wp\/?page_id=2541"},"modified":"2026-03-03T14:46:38","modified_gmt":"2026-03-03T14:46:38","slug":"zeta-50","status":"publish","type":"page","link":"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/zeta-50\/","title":{"rendered":"Zeta 50"},"content":{"rendered":"<div class=\"vce-row-container\"><div class=\"vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top\" id=\"el-644dc82f\" data-vce-do-apply=\"all el-644dc82f\"><div class=\"vce-row-content\" data-vce-element-content=\"true\"><div class=\"vce-col vce-col--md-25p vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-first vce-col--lg-first vce-col--xl-first\" id=\"el-5de4b5c4\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-5de4b5c4\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-5de4b5c4\"><div class=\"vce-text-block\"><div class=\"vce-text-block-wrapper vce\" id=\"el-7b0dfe4e\" data-vce-do-apply=\"all el-7b0dfe4e\"><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/new-products\/\">New Products<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/multifunction-meters\/\">Multifunction Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/transducers-isolators\/\">Transducers &amp; Isolators<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/temperature-controllers\/\">Temperature Controllers<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/converters-recorders\/\">Converters &amp; Recorders<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/digital-panel-meters-range\/\">Digital Panel Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/current-transformers\/\">Current Transformers<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/kwh-energy-meters\/\">kWh Energy Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/dc-kwh-energy-meters\/\">DC kWh Energy Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/analogue-panel-meters\/\">Analogue Panel Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/shunts\/\">Shunts<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/digital-bargraphs\/\">Digital Bargraphs<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/digital-panel-meters-2\/\">Digital Multimeters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/clamp-meters\/\">Multimeter &amp; Clamp on Meters<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/insulation-testers\/\">Insulation Testers<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/protection-relays\/\">Protection Relays<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/synchroscope-series\/\">Synchroscope Series<\/a><br><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/rotary-switches-2\/\">Rotary Switches<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/power-supplies\/\">Power Supplies<\/a><\/span><\/p><p style=\"line-height: 0.5;\"><strong><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/\"><span style=\"color: #999999;\">Test &amp; Measurement<\/span><\/a><\/strong><\/p><p style=\"line-height: 0.5; padding-left: 40px;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/digital-multimeters-test-measurement\/\">Digital Multimeters<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/digital-clamp-meters-test-measurement\/\">Digital Clamp Meters<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/process-calibrators-test-measurement\/\">Process Calibrators<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/environmental-meters-test-measurement\/\">Environmental Meters<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/thermometers-test-measurement\/\">Thermometers<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/lcr-meters-test-measurement\/\">LCR Meters<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><span style=\"color: #6f6f6f;\"><a style=\"color: #6f6f6f;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/electrical-testers-test-measurement\/\">Electrical Testers<\/a><\/span><\/p><p style=\"padding-left: 40px; line-height: 0.5;\"><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/test-measurement-range\/insulation-testers-test-measurement\/\"><strong><span style=\"color: #6f6f6f;\">Insulation Testers<\/span><\/strong><\/a><\/p><p style=\"padding-left: 80px;\"><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/insu-5dx\/\"><span style=\"color: #e30613;\">INSU 5DX+<\/span><\/a><br><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/insu-10dx\/\">INSU 10DX+<\/a><br><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/zeta-20\/\">Zeta 20<\/a><br><a href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/zeta-30\/\">Zeta 30<\/a><br><strong><span style=\"color: #e30613;\"><a style=\"color: #e30613;\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/products-2\/test-measurement\/zeta-50\/\">Zeta 50<\/a><\/span><\/strong><\/p><\/div><\/div><\/div><\/div><\/div><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last\" id=\"el-e6458cc1\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-e6458cc1\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-e6458cc1\"><div class=\"vce-row-container\"><div class=\"vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top\" id=\"el-c5836ec2\" data-vce-do-apply=\"all el-c5836ec2\"><div class=\"vce-content-background-container\"><\/div><div class=\"vce-row-content\" data-vce-element-content=\"true\"><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first\" id=\"el-007cf3fa\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-007cf3fa\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-007cf3fa\"><div class=\"vce-single-image-container vce-single-image--align-center\"><div class=\"vce vce-single-image-wrapper\" id=\"el-8407d54f\" data-vce-do-apply=\"all el-8407d54f\"><figure><div class=\"vce-single-image-inner vce-single-image--absolute\" style=\"padding-bottom: 100%; width: 332px;\"><img class=\"vce-single-image\" width=\"332\" height=\"332\"src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/zeta50-332x332.jpg\" srcset=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/zeta50-320x320.jpg 320w,https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/zeta50-332x332.jpg 332w\" data-img-src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2015\/03\/zeta50.jpg\" alt=\"\" title=\"zeta50\" \/><\/div><figcaption hidden=\"\"><\/figcaption><\/figure><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"vce-row-container\"><div class=\"vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top\" id=\"el-33bbf812\" data-vce-do-apply=\"all el-33bbf812\"><div class=\"vce-row-content\" data-vce-element-content=\"true\"><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first\" id=\"el-a8a34d69\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-a8a34d69\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-a8a34d69\"><div class=\"vce-classic-tabs vce vce-classic-tabs-align--left vce-classic-tabs-border-color--D8D8D8\" id=\"el-f358b5a5\" data-vce-do-apply=\"all el-f358b5a5\" data-active-tab=\"1\"><div class=\"vce-classic-tabs-inner\"><div class=\"vce-classic-tabs-container\"><div class=\"vce-classic-tabs-list\"><div class=\"vce-classic-tabs-tab\" data-vce-target-model-id=\"85a0f026\" data-vce-classic-tab=\"true\"><a class=\"vce-classic-tabs-tab-title\" data-vce-use-cache=\"false\" data-vce-classic-tabs=\"true\" data-vce-target=\"[data-model-id=85a0f026]\" data-vce-container=\".vce-classic-tabs-inner\" href=\"#el-85a0f026\">Description<\/a><\/div><div class=\"vce-classic-tabs-tab\" data-vce-target-model-id=\"3c729b43\" data-vce-classic-tab=\"true\"><a class=\"vce-classic-tabs-tab-title\" data-vce-use-cache=\"false\" data-vce-classic-tabs=\"true\" data-vce-target=\"[data-model-id=3c729b43]\" data-vce-container=\".vce-classic-tabs-inner\" href=\"#el-3c729b43\">Features<\/a><\/div><div class=\"vce-classic-tabs-tab\" data-vce-target-model-id=\"eb9983b0\" data-vce-classic-tab=\"true\"><a class=\"vce-classic-tabs-tab-title\" data-vce-use-cache=\"false\" data-vce-classic-tabs=\"true\" data-vce-target=\"[data-model-id=eb9983b0]\" data-vce-container=\".vce-classic-tabs-inner\" href=\"#el-eb9983b0\">Downloads<\/a><\/div><\/div><\/div><div class=\"vce-classic-tabs-panels-container\"><div class=\"vce-classic-tabs-panels\"><div class=\"vce-classic-tabs-panel\" id=\"el-85a0f026\" data-model-id=\"85a0f026\" data-vce-content=\".vce-classic-tabs-panel-body\"><div class=\"vce-classic-tabs-tab-inner\"><div class=\"vce-classic-tabs-panel-heading\"><a class=\"vce-classic-tabs-panel-title\" href=\"#el-85a0f026\" data-vce-target=\"[data-model-id=85a0f026]\" data-vce-use-cache=\"false\" data-vce-classic-accordion=\"\" data-vce-container=\".vce-classic-tabs-inner\"><span>Description<\/span><\/a><\/div><div class=\"vce-classic-tabs-panel-body\" data-vce-do-apply=\"all el-85a0f026\"><div class=\"vce-classic-tabs-element-container\" data-js-panel-body=\"\"><div class=\"vce-text-block\"><div class=\"vce-text-block-wrapper vce\" id=\"el-451c205d\" data-vce-do-apply=\"all el-451c205d\"><p style=\"font-weight: 400;\"><b>Zeta 50 \/ 50K&nbsp;<\/b>Is used for the non-destructive measurement of insulation resistance in electrical&nbsp;systems, at machines, transformers and cables.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"vce-classic-tabs-panel\" id=\"el-3c729b43\" data-model-id=\"3c729b43\" data-vce-content=\".vce-classic-tabs-panel-body\"><div class=\"vce-classic-tabs-tab-inner\"><div class=\"vce-classic-tabs-panel-heading\"><a class=\"vce-classic-tabs-panel-title\" href=\"#el-3c729b43\" data-vce-target=\"[data-model-id=3c729b43]\" data-vce-use-cache=\"false\" data-vce-classic-accordion=\"\" data-vce-container=\".vce-classic-tabs-inner\"><span>Features<\/span><\/a><\/div><div class=\"vce-classic-tabs-panel-body\" data-vce-do-apply=\"all el-3c729b43\"><div class=\"vce-classic-tabs-element-container\" data-js-panel-body=\"\"><div class=\"vce-text-block\"><div class=\"vce-text-block-wrapper vce\" id=\"el-a07acd2b\" data-vce-do-apply=\"all el-a07acd2b\"><p><strong>Features<\/strong><\/p><p>\u2022&nbsp;Test voltages up to 5000V<br>\u2022 Discharge of capacitive devices under taste<br>\u2022 Measurement cables with heavy duty insulation and needle gauge with LEDs<\/p><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"vce-classic-tabs-panel\" id=\"el-eb9983b0\" data-model-id=\"eb9983b0\" data-vce-content=\".vce-classic-tabs-panel-body\"><div class=\"vce-classic-tabs-tab-inner\"><div class=\"vce-classic-tabs-panel-heading\"><a class=\"vce-classic-tabs-panel-title\" href=\"#el-eb9983b0\" data-vce-target=\"[data-model-id=eb9983b0]\" data-vce-use-cache=\"false\" data-vce-classic-accordion=\"\" data-vce-container=\".vce-classic-tabs-inner\"><span>Downloads<\/span><\/a><\/div><div class=\"vce-classic-tabs-panel-body\" data-vce-do-apply=\"all el-eb9983b0\"><div class=\"vce-classic-tabs-element-container\" data-js-panel-body=\"\"><div class=\"vce-text-block\"><div class=\"vce-text-block-wrapper vce\" id=\"el-5095ad84\" data-vce-do-apply=\"all el-5095ad84\"><p>Digital download files available for&nbsp;Zeta 50.<\/p><\/div><\/div><div class=\"vce-button--style-outline-container vce-button--style-outline-container--align-left\"><span class=\"vce-button--style-outline-wrapper vce\" id=\"el-8f688810\" data-vce-do-apply=\"margin el-8f688810\"><a class=\"vce-button--style-outline-animated vce-button--style-outline--border-rounded vce-button--style-outline--size-small vce-button--style-outline-animated--color-b-198-198-198--fff--3d3d3d vce-button--style-outline-animated--border-color-e3e3e3--3d3d3d vce-button--style-outline-animated--background-color-b-225-22-18\" href=\"https:\/\/sifamtinsley.co.uk\/wp\/downloads\/datasheets\/insulation_testers\/Zeta50.pdf\" title=\"Zeta 50 Datasheet\" target=\"_blank\" data-vce-do-apply=\"padding border background  el-8f688810\"><span class=\"vce-button--style-outline-text\">DOWNLOAD DATASHEET<\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"vce-row-container\"><div class=\"vce-row vce-row--col-gap-10 vce-row-columns--top vce-row-content--bottom\" id=\"el-314520a6\" data-vce-do-apply=\"all el-314520a6\"><div class=\"vce-content-background-container\"><\/div><div class=\"vce-row-content\" data-vce-element-content=\"true\"><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first\" id=\"el-e28dba5c\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-e28dba5c\"><div class=\"vce-content-background-container\"><\/div><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-e28dba5c\"><div class=\"vce-row-container\"><div class=\"vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top\" id=\"el-c6090131\" data-vce-do-apply=\"all el-c6090131\"><div class=\"vce-row-content\" data-vce-element-content=\"true\"><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-first vce-col--lg-first vce-col--xl-first\" id=\"el-fd78f546\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-fd78f546\"><div class=\"vce-content-background-container\"><\/div><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-fd78f546\"><div class=\"vce-text-block\"><div class=\"vce-text-block-wrapper vce\" id=\"el-bdc7fc46\" data-vce-do-apply=\"all el-bdc7fc46\"><h3 style=\"text-align: center;\"><strong><span style=\"color: #808080; font-family: arial, helvetica, sans-serif;\">OUR PARTNERS<\/span><\/strong><\/h3><\/div><\/div><\/div><\/div><\/div><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first\" id=\"el-b977fb0f\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-b977fb0f\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-b977fb0f\"><div class=\"vce-single-image-container vce-single-image--align-left\"><div class=\"vce vce-single-image-wrapper\" id=\"el-92166a99\" data-vce-do-apply=\"all el-92166a99\"><figure><a href=\"http:\/\/www.tinsley.co.uk\" title=\"\" target=\"_blank\" class=\"vce-single-image-inner vce-single-image--absolute\" style=\"padding-bottom: 37.674419%; width: 215px;\"><img class=\"vce-single-image\" width=\"215\" height=\"81\"src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/tinsley-215x81.jpg\" srcset=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/tinsley-215x81.jpg 215w\" data-img-src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2015\/04\/tinsley.jpg\" alt=\"\" title=\"tinsley\" \/><\/a><figcaption hidden=\"\"><\/figcaption><\/figure><\/div><\/div><\/div><\/div><\/div><div class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last\" id=\"el-ae16e252\"><div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background  el-ae16e252\"><div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-ae16e252\"><div class=\"vce-single-image-container vce-single-image--align-left\"><div class=\"vce vce-single-image-wrapper\" id=\"el-5a4e7412\" data-vce-do-apply=\"all el-5a4e7412\"><figure><a href=\"http:\/\/www.sifam.com\" title=\"\" target=\"_blank\" class=\"vce-single-image-inner vce-single-image--absolute\" style=\"padding-bottom: 30.241935%; width: 248px;\"><img class=\"vce-single-image\" width=\"248\" height=\"75\"src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/sifam-248x75.jpg\" srcset=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2026\/03\/sifam-248x75.jpg 248w\" data-img-src=\"https:\/\/sifamtinsley.co.uk\/wp\/wp-content\/uploads\/2015\/04\/sifam.jpg\" alt=\"\" title=\"sifam\" \/><\/a><figcaption hidden=\"\"><\/figcaption><\/figure><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>New ProductsMultifunction MetersTransducers &amp; IsolatorsTemperature ControllersConverters &amp; RecordersDigital Panel MetersCurrent TransformerskWh Energy MetersDC kWh Energy MetersAnalogue Panel MetersShuntsDigital BargraphsDigital MultimetersMultimeter &amp; Clamp on MetersInsulation TestersProtection RelaysSynchroscope SeriesRotary SwitchesPower SuppliesTest &amp; MeasurementDigital MultimetersDigital Clamp MetersProcess CalibratorsEnvironmental MetersThermometersLCR MetersElectrical TestersInsulation TestersINSU 5DX+INSU 10DX+Zeta 20Zeta 30Zeta 50DescriptionFeaturesDownloadsDescriptionZeta 50 \/ 50K&nbsp;Is used for the non-destructive measurement of insulation resistance<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":9498,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2541","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/pages\/2541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/comments?post=2541"}],"version-history":[{"count":12,"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/pages\/2541\/revisions"}],"predecessor-version":[{"id":13495,"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/pages\/2541\/revisions\/13495"}],"up":[{"embeddable":true,"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/pages\/9498"}],"wp:attachment":[{"href":"https:\/\/sifamtinsley.co.uk\/wp\/wp-json\/wp\/v2\/media?parent=2541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}