{"id":1430,"date":"2017-07-19T15:41:46","date_gmt":"2017-07-19T22:41:46","guid":{"rendered":""},"modified":"2025-07-25T10:17:09","modified_gmt":"2025-07-25T17:17:09","slug":"1430","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/1430","title":{"rendered":"Electrode Amplifier Troubleshooting and FAQs"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h3 class=\"wp-block-heading\"><a href=\"\/product\/electrode-amplifier\/\">Electrode Amplifier<\/a> (<nobr>EA-BTA<\/nobr>)<\/h3>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p><a href=\"\/manuals\/EA-BTA\">Specifications and User Guide<\/a><\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-1024x576.jpg\" alt=\"\" class=\"wp-image-25100\" srcset=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-1024x576.jpg 1024w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-600x338.jpg 600w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-768x432.jpg 768w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-1536x864.jpg 1536w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2025\/06\/product.ea-bta._hero.001-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Pre-2021 Version<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.vernier.com\/wp-content\/uploads\/2019\/11\/product.ea-bta.hero._001.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Current Version<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Primary Test:<\/strong> Connect an ORP sensor or a pH sensor to the Electrode Amplifier and connect the Electrode Amplifier to a Vernier interface. Start the data-collection program. Place the ORP sensor or pH sensor in a buffer solution of known pH and confirm that the readings are within range.<\/li>\n<li><strong>Secondary Test:<\/strong> Confirm that the BNC connection is secure.<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Additional Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/til\/2291\/\">Can I use my third-party ISE with my Vernier equipment?<\/a><\/li>\n<li><a href=\"\/til\/3641\/\">During calibration, what are the typical potential output readings for the PH-BNC electrode?<\/a><\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n<ul class=\"wp-block-list\">\n<li>Power: 7 mA @ 5VDC<\/li>\n<li>Input: range \u2013450 mV to +1100 mV<\/li>\n<li>Impedance: 100 M\u03a9<\/li>\n<li>Gain: 2.2 V\/V<\/li>\n<li>Offset: 1.20 V (nominal)<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Calibration<\/h3>\n<p>Calibrate? Normally, yes. However, it depends on the electrode that is connected. <\/p>\n<p>The Electrode Amplifier amplifies the voltage produced by an electrode into a range where it can be monitored by the lab interface. The Electrode Amplifier will report values in units of millivolts. If a pH electrode is attached, however, you can choose to read in units of pH. Custom, linear 2-point calibrations can also be performed if desired. For more information, see <a href=\"\/til\/4011\/\">How do I calibrate my sensor?<\/a><\/p>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Supported Electrodes<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/ph-electrode-bnc\/\">pH Electrode BNC<\/a> (<nobr>PH-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/flat-ph-electrode-bnc\/\">Flat pH Electrode BNC<\/a> (<nobr>FPH-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/glass-body-ph-electrode-bnc\/\">Glass-Body pH Electrode BNC<\/a> (<nobr>GPH-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/orp-electrode-bnc\/\">ORP Electrode BNC<\/a> (<nobr>ORP-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/ammonium-ion-selective-electrode-bnc\/\">Ammonium Ion-Selective Electrode BNC<\/a> (<nobr>NH4-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/calcium-ion-selective-electrode-bnc\/\">Calcium Ion-Selective Electrode BNC<\/a> (<nobr>CA-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/chloride-ion-selective-electrode-bnc\/\">Chloride Ion-Selective Electrode BNC<\/a> (<nobr>CL-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/potassium-ion-selective-electrode-bnc\/\">Potassium Ion-Selective Electrode BNC<\/a> (<nobr>K-BNC<\/nobr>)<\/li>\n<li><a href=\"\/product\/nitrate-ion-selective-electrode-bnc\/\">Nitrate Ion-Selective Electrode BNC<\/a> (<nobr>NO3-BNC<\/nobr>)<\/li>\n<\/ul>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Products with Electrode Amplifier Included<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/tris-compatible-flat-ph-sensor\/\">Tris-Compatible Flat pH Sensor<\/a> (<nobr>FPH-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/orp-sensor\/\">ORP Sensor<\/a> (<nobr>ORP-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/ammonium-ion-selective-electrode\/\">Ammonium Ion-Selective Electrode<\/a> (<nobr>NH4-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/calcium-ion-selective-electrode\/\">Calcium Ion-Selective Electrode<\/a> (<nobr>CA-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/chloride-ion-selective-electrode\/\">Chloride Ion-Selective Electrode<\/a> (<nobr>CL-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/potassium-ion-selective-electrode\/\">Potassium Ion-Selective Electrode<\/a> (<nobr>K-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/nitrate-ion-selective-electrode\/\">Nitrate Ion-Selective Electrode<\/a> (<nobr>NO3-BTA<\/nobr>)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Related Products<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/go-direct-ion-selective-electrode-amplifier\/\">Go Direct<sup>&reg;<\/sup> Ion-Selective Electrode Amplifier<\/a> (<nobr>GDX-ISEA<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-electrode-amplifier\/\">Go Direct<sup>&reg;<\/sup> Electrode Amplifier<\/a> (<nobr>GDX-EA<\/nobr>)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Specifications and User Guide Troubleshooting Additional Troubleshooting Specifications Calibration Calibrate? Normally, yes. However, it depends on the electrode that is connected. The Electrode Amplifier amplifies&#8230;<\/p>\n","protected":false},"author":11015,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[1872,1873,720],"class_list":["post-1430","post","type-post","status-publish","format-standard","hentry","tag-ea-bta","tag-eamain","tag-maintil"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/11015"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=1430"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1430\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=1430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=1430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=1430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}