{"id":11293,"date":"2026-04-15T08:08:10","date_gmt":"2026-04-15T08:08:10","guid":{"rendered":"https:\/\/www.hangzhiprecision.com\/?p=11293"},"modified":"2026-04-15T08:08:13","modified_gmt":"2026-04-15T08:08:13","slug":"hz903-current-voltage-tester","status":"publish","type":"post","link":"https:\/\/www.hangzhiprecision.com\/ro\/pnews\/hz903-current-voltage-tester\/","title":{"rendered":"HZ903 Clasa 0.01 Tester de \u00cenalt\u0103 Precizie pentru Curent \u0219i Tensiune"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"11293\" class=\"elementor elementor-11293\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-11edce2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11edce2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f77beb8\" data-id=\"f77beb8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f978a6b elementor-widget elementor-widget-image\" data-id=\"f978a6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1333\" src=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2026\/04\/hz903.jpg\" class=\"attachment-full size-full wp-image-11304\" alt=\"HZ903 Class 0.01 High Precision Current &amp; Voltage Tester\" srcset=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2026\/04\/hz903.jpg 1000w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2026\/04\/hz903-225x300.jpg 225w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2026\/04\/hz903-768x1024.jpg 768w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2026\/04\/hz903-9x12.jpg 9w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b28d61 elementor-widget elementor-widget-text-editor\" data-id=\"3b28d61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Hangzhi HZ903 | Tester de precizie pentru curent \u0219i tensiune Clasa 0.01 \u2014 Specializat pentru calibrarea transmi\u021b\u0103toarelor<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ed7e62d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ed7e62d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b4c2647\" data-id=\"b4c2647\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e165a4 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"7e165a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">De ce au multimetrele tradi\u021bionale dificult\u0103\u021bi \u00een a calibre transmi\u021b\u0103toare de clasa 0.1?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e0c6605\" data-id=\"e0c6605\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b19215d elementor-widget elementor-widget-text-editor\" data-id=\"b19215d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00cen domeniile automatiz\u0103rii industriale \u0219i metrologiei de precizie, calibrarea traductoarelor \u00eent\u00e2mpin\u0103 frecvent urm\u0103toarele blocaje tehnice:<\/p><h3>Limit\u0103ri de precizie<\/h3><p>Precizia multimetrelor standard este insuficient\u0103 pentru a \u00eendeplini cerin\u021bele de verificare ale traductoarelor de \u00eenalt\u0103 precizie \u2014 \u00een special cele de clasa 0,1 \u0219i peste.<\/p><h3>Provoc\u0103ri ale semnalelor slabe:<\/h3><p>Instrumentele standard nu au adesea rezolu\u021bia necesar\u0103 atunci c\u00e2nd m\u0103soar\u0103 semnale de nivel sc\u0103zut (cum ar fi 4\u201320 mA sau 0\u201310 V) \u0219i sunt foarte sensibile la interferen\u021bele cauzate de zgomotul electromagnetic ambiental.<\/p><h3>Eroare uman\u0103<\/h3><p>Necesitatea frecvent\u0103 a comut\u0103rii manuale a domeniului de m\u0103surare \u0219i a \u00eenregistr\u0103rii datelor pe h\u00e2rtie face foarte probabil\u0103 introducerea erorilor umane de citire, compromi\u021b\u00e2nd astfel trasabilitatea datelor.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b9cbd1f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b9cbd1f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2de6cc7\" data-id=\"2de6cc7\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9118e20 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"9118e20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hangzhi HZ903: Patru avantaje esen\u021biale concepute special pentru calibrarea transmi\u021b\u0103toarelor\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-82bd0e7\" data-id=\"82bd0e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f9b255 elementor-widget elementor-widget-text-editor\" data-id=\"5f9b255\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Testerul de curent \u0219i tensiune de precizie Hangzhi HZ903 este un instrument de testare care integreaz\u0103 perfect precizie ridicat\u0103, automatizare \u0219i portabilitate, rezolv\u00e2nd eficient punctele critice asociate cu calibrarea traductoarelor.<\/p><h3>Precizie de m\u0103surare de grad metrologic (Clasa 0.01)<\/h3><p>Limita de eroare de baz\u0103 pentru m\u0103sur\u0103torile de tensiune \u0219i curent continuu este de numai \u00b10,01% din citire (RD). Stabilitatea sa excep\u021bional\u0103 asigur\u0103 c\u0103 poate servi ca standard de referin\u021b\u0103, \u00eendeplinind cerin\u021bele riguroase at\u00e2t ale laboratoarelor, c\u00e2t \u0219i ale institu\u021biilor de metrologie ter\u021be.<\/p><h3>2. Captur\u0103 de semnal mic de \u00eenalt\u0103 rezolu\u021bie<\/h3><ul><li><strong>Voltage Range:<\/strong> 0 to \u00b110V<\/li><li><strong>Interval curent:<\/strong> 0 to 20mA<\/li><li><strong>Resolution:<\/strong> Up to 0.001%, enabling the sensitive capture of even the slightest linear variations in transmitter outputs.<\/li><\/ul><h3>3. Intelligent Automated Operation<\/h3><p>Features a built-in automatic range-switching circuit that selects the optimal measurement range without the need for manual intervention. When paired with the standard RS232 interface and accompanying PC software, the device enables automated data processing, storage, and report generation\u2014marking a complete departure from manual record-keeping.<\/p><h3>4. Industrial-Grade Portable Design<\/h3><p>Weighing in at \u22642kg with a compact form factor (83mm \u00d7 133mm \u00d7 423.5mm), the unit is ideally suited for both laboratory benchtop applications and on-site use within industrial and mining facilities for in-situ calibration.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-069ff13 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"069ff13\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-08cb94a\" data-id=\"08cb94a\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07cc541 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"07cc541\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">HZ903 Key Technical Specifications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6ca9ecc\" data-id=\"6ca9ecc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-0dea8f4 elementor-widget elementor-widget-text-editor\" data-id=\"0dea8f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>DC Voltage Input Measurement<\/h3><ul><li>Measurement Range: 0 to \u00b110 V<\/li><li>Basic Error Limit: 0.01% RG<\/li><li>Resolution: 0.001%<\/li><\/ul><h3>DC Current Input Measurement<\/h3><ul><li>Measurement Range: 0 to 20 mA<\/li><li>Basic Error Limit: 0.01% RG<\/li><li>Resolution: 0.001%<\/li><\/ul><h3>Other Parameters<\/h3><ul><li>Total Power Consumption: \u2264 300 W<\/li><li>Dimensions: 83 mm \u00d7 133 mm \u00d7 423.5 mm (L \u00d7 W \u00d7 H)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-bd1f79c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bd1f79c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-dea2eb4\" data-id=\"dea2eb4\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a19eae elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4a19eae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Versatile Applications, Empowering Diverse Industries<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0a0bbac\" data-id=\"0a0bbac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-81aa8db elementor-widget elementor-widget-text-editor\" data-id=\"81aa8db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Transmitter Calibration:<\/h3><p>Suitable for assessing the accuracy of various current- or voltage-output transmitters, including those for pressure, temperature, and flow.<\/p><h3>Metrology Verification:<\/h3><p>Serves as a high-grade reference instrument for verifying lower-tier DC instrumentation within metrology institutions.<\/p><h3>Automated Test Systems (ATS):<\/h3><p>Seamlessly integrates into automated production lines via serial communication protocols to enable batch testing.<\/p><h3>Scientific Research Laboratories:<\/h3><p>Provides highly reliable DC signal acquisition solutions for universities and research institutions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fb9c274 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb9c274\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ed9ee5a\" data-id=\"ed9ee5a\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9204650 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"9204650\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Despre Hangzhi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-f9b4b70\" data-id=\"f9b4b70\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ec6bd4 elementor-widget elementor-widget-text-editor\" data-id=\"9ec6bd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.hangzhiprecision.com\/ro\/\"><strong>Shenzhen Hangzhi Precision Electronics Co., Ltd.<\/strong><\/a> este o \u00eentreprindere lider tehnologic dedicat\u0103 cercet\u0103rii \u0219i dezvolt\u0103rii, produc\u021biei, v\u00e2nz\u0103rilor \u0219i personaliz\u0103rii solu\u021biilor de senzori de curent de \u00eenalt\u0103 precizie, senzori de tensiune \u0219i instrumente electrice de m\u0103surare de \u00eenalt\u0103 precizie. Ne str\u0103duim s\u0103 construim o marc\u0103 bine cunoscut\u0103 de <a href=\"https:\/\/ieeexplore.ieee.org\/document\/8601521\">fluxgate<\/a> senzori de curent de precizie \u0219i instrumente electrice de m\u0103surare de precizie \u00een domeniul curentului continuu \u0219i s\u0103 depun\u0103 eforturi pentru a deveni un lider interna\u021bional \u00een domeniul electronicii de precizie \u00een domeniul sistemelor de curent continuu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Hangzhi HZ903 | Class 0.01 Precision Current &amp; Voltage Tester \u2014 Specialized for Transmitter Calibration Why Do Traditional Multimeters Struggle to Calibrate Class 0.1 Transmitters? In the fields of industrial automation and precision metrology, transmitter calibration frequently encounters the following technical bottlenecks: Accuracy Limitations: The accuracy of standard multimeters is insufficient to meet the verification [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11308,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[43],"tags":[],"class_list":["post-11293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pnews"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.2 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>HZ903 Class 0.01 High Precision Current &amp; 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