{"id":188974,"date":"2025-10-31T15:39:12","date_gmt":"2025-10-31T08:39:12","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=188974"},"modified":"2025-10-31T16:07:13","modified_gmt":"2025-10-31T09:07:13","slug":"keysight-b2985b-electrometer-high-resistance-meter","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/keysight-b2985b-electrometer-high-resistance-meter\/","title":{"rendered":"Keysight B2985B Electrometer \/ High Resistance Meter"},"content":{"rendered":"<h2 data-start=\"404\" data-end=\"509\">Keysight B2985B Electrometer \/ High Resistance Meter \u2013 Ultra-High Precision from 0.01 fA to 10 P\u03a9<\/h2>\n<figure id=\"attachment_188963\" aria-describedby=\"caption-attachment-188963\" style=\"width: 1164px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/10\/Keysight-B2985B.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-188963\" src=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/10\/Keysight-B2985B.png\" alt=\"Keysight B2985B\" width=\"1164\" height=\"654\" \/><\/a><figcaption id=\"caption-attachment-188963\" class=\"wp-caption-text\">Keysight B2985B<\/figcaption><\/figure>\n<p data-start=\"511\" data-end=\"881\">The Keysight B2985B Electrometer \/ High Resistance Meter is a world-class measurement instrument engineered for the most demanding applications requiring ultra-low current and ultra-high resistance testing. It enables researchers, engineers, and quality laboratories to perform stable and repeatable measurements at the femtoampere level with exceptional accuracy.<\/p>\n<p data-start=\"883\" data-end=\"1200\">The B2985B stands out with its ability to measure currents as low as 0.01 fA (0.01 \u00d7 10\u207b\u00b9\u2075 A) and resistances up to 10 P\u03a9 (10 \u00d7 10\u00b9\u2075 \u03a9), powered by a 1000 V built-in source. Its high sampling rate of 20,000 readings per second allows fast data acquisition for transient analysis and noise detection.<\/p>\n<p data-start=\"1202\" data-end=\"1575\">A 4.3-inch color LCD screen with a graphical user interface (GUI) makes it easy to visualize trends, histograms, and real-time measurements without requiring an external PC. The intuitive front-panel operation supports statistical functions, data logging, and visualization tools, helping users detect transient behavior, drift, and environmental effects instantly.<\/p>\n<p data-start=\"1577\" data-end=\"1793\">The optional Setup Integrity Checker software enables users to evaluate noise contributions from cables, fixtures, and grounding setups \u2014 ensuring measurement confidence in even the most sensitive applications.<\/p>\n<h3 data-start=\"1800\" data-end=\"1832\">Measurement Capabilities<\/h3>\n<ul data-start=\"1833\" data-end=\"2234\">\n<li data-start=\"1833\" data-end=\"1913\">\n<p data-start=\"1835\" data-end=\"1913\">0.01 fA minimum measurement resolution for precise low-current detection<\/p>\n<\/li>\n<li data-start=\"1914\" data-end=\"1986\">\n<p data-start=\"1916\" data-end=\"1986\">10 P\u03a9 maximum resistance measurement with built-in 1000 V source<\/p>\n<\/li>\n<li data-start=\"1987\" data-end=\"2069\">\n<p data-start=\"1989\" data-end=\"2069\">20,000 readings per second, ideal for fast data logging and noise analysis<\/p>\n<\/li>\n<li data-start=\"2070\" data-end=\"2157\">\n<p data-start=\"2072\" data-end=\"2157\">Accurate current, voltage, charge, and resistance measurement in one instrument<\/p>\n<\/li>\n<li data-start=\"2158\" data-end=\"2234\">\n<p data-start=\"2160\" data-end=\"2234\">Exceptional stability and repeatability for high-resistance measurements<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2241\" data-end=\"2261\">Key Features<\/h3>\n<ul data-start=\"2262\" data-end=\"2816\">\n<li data-start=\"2262\" data-end=\"2344\">\n<p data-start=\"2264\" data-end=\"2344\">Graphical measurement display: Real-time trend and histogram visualization<\/p>\n<\/li>\n<li data-start=\"2345\" data-end=\"2426\">\n<p data-start=\"2347\" data-end=\"2426\">Setup Integrity Checker software (optional) for noise source verification<\/p>\n<\/li>\n<li data-start=\"2427\" data-end=\"2498\">\n<p data-start=\"2429\" data-end=\"2498\">Auto navigation interface for quick configuration and operation<\/p>\n<\/li>\n<li data-start=\"2499\" data-end=\"2567\">\n<p data-start=\"2501\" data-end=\"2567\">Real-time noise monitoring to identify measurement anomalies<\/p>\n<\/li>\n<li data-start=\"2568\" data-end=\"2650\">\n<p data-start=\"2570\" data-end=\"2650\">Data logging and statistical analysis functions built into the front panel<\/p>\n<\/li>\n<li data-start=\"2651\" data-end=\"2735\">\n<p data-start=\"2653\" data-end=\"2735\">Compact and robust design, suitable for research labs and production testing<\/p>\n<\/li>\n<li data-start=\"2736\" data-end=\"2816\">\n<p data-start=\"2738\" data-end=\"2816\">USB, GPIB, and LAN connectivity for flexible data control and automation<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2823\" data-end=\"2843\">Applications<\/h3>\n<ul data-start=\"2844\" data-end=\"3168\">\n<li data-start=\"2844\" data-end=\"2900\">\n<p data-start=\"2846\" data-end=\"2900\">Semiconductor leakage current and insulation testing<\/p>\n<\/li>\n<li data-start=\"2901\" data-end=\"2958\">\n<p data-start=\"2903\" data-end=\"2958\">Characterization of advanced materials and components<\/p>\n<\/li>\n<li data-start=\"2959\" data-end=\"3012\">\n<p data-start=\"2961\" data-end=\"3012\">Evaluation of surface insulation resistance (SIR)<\/p>\n<\/li>\n<li data-start=\"3013\" data-end=\"3089\">\n<p data-start=\"3015\" data-end=\"3089\">Low-current measurement in physics, nanoelectronics, and quantum devices<\/p>\n<\/li>\n<li data-start=\"3090\" data-end=\"3168\">\n<p data-start=\"3092\" data-end=\"3168\">Long-term monitoring of high-resistance samples in controlled environments<\/p>\n<\/li>\n<\/ul>\n<p><strong>Note: <span class=\"to-be-discontinued__textChange\">This product is going to be discontinued and will be replaced by<\/span>\u00a0<a href=\"https:\/\/techmaster.com.vn\/en\/keysight-b2985c-\u2026resistance-meter\/\">B2985C Electrometer \/ High Resistance Meter, 0.01 fA<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<h3 data-start=\"2241\" data-end=\"2261\">Key Features<\/h3>\n<ul data-start=\"2262\" data-end=\"2816\">\n<li data-start=\"2262\" data-end=\"2344\">\n<p data-start=\"2264\" data-end=\"2344\">Graphical measurement display: Real-time trend and histogram visualization<\/p>\n<\/li>\n<li data-start=\"2345\" data-end=\"2426\">\n<p data-start=\"2347\" data-end=\"2426\">Setup Integrity Checker software (optional) for noise source verification<\/p>\n<\/li>\n<li data-start=\"2427\" data-end=\"2498\">\n<p data-start=\"2429\" data-end=\"2498\">Auto navigation interface for quick configuration and operation<\/p>\n<\/li>\n<li data-start=\"2499\" data-end=\"2567\">\n<p data-start=\"2501\" data-end=\"2567\">Real-time noise monitoring to identify measurement anomalies<\/p>\n<\/li>\n<li data-start=\"2568\" data-end=\"2650\">\n<p data-start=\"2570\" data-end=\"2650\">Data logging and statistical analysis functions built into the front panel<\/p>\n<\/li>\n<li data-start=\"2651\" data-end=\"2735\">\n<p data-start=\"2653\" data-end=\"2735\">Compact and robust design, suitable for research labs and production testing<\/p>\n<\/li>\n<li data-start=\"2736\" data-end=\"2816\">\n<p data-start=\"2738\" data-end=\"2816\">USB, GPIB, and LAN connectivity for flexible data control and automation<\/p>\n<\/li>\n<\/ul>\n<a href=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/10\/B2980B-Series-Femto-Picoammeter-and-Electrometer-High-Resistance-Meter.pdf\" class=\"button alert is-alert is-medium\"  >\n    <span>B2980B Series Femto\/Picoammeter and Electrometer\/High Resistance Meter<\/span>\n  <\/a>\n\n","protected":false},"featured_media":188963,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[260,274,277],"product_tag":[],"class_list":{"0":"post-188974","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-measuring-instruments","7":"product_cat-electrical-measuring-instruments","8":"product_cat-lcr-meter","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Keysight B2985B Electrometer \/ High Resistance Meter - Techmaster Electronics JSC<\/title>\n<meta name=\"description\" content=\"The Keysight B2985B Electrometer \/ High Resistance Meter provides 0.01 fA resolution, 10 P\u03a9 measurement range, and 20,000 readings per second.\" \/>\n<meta name=\"robots\" content=\"index, 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