{"id":5186,"date":"2021-03-09T12:33:22","date_gmt":"2021-03-09T12:33:22","guid":{"rendered":"\/?page_id=5186"},"modified":"2021-08-09T07:15:55","modified_gmt":"2021-08-09T07:15:55","slug":"electrostatic_voltmeter","status":"publish","type":"page","link":"https:\/\/www.hvproducts.de\/de\/electrostatic_voltmeter","title":{"rendered":"Electrostatic Voltmeter"},"content":{"rendered":"\t\t
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Home<\/a> \/ Products \/ High Voltage \/ HV Test and Measurement<\/a> \/ Electrostatic Voltmeters<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Electrostatic Voltmeters<\/h1><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Many very high impedance (> 1010<\/sup> \u03a9) voltage measurements cannot be made using conventional type voltmeters because charge transfer into the voltmeter is required, thus causing loading and modification of the source voltage. For example, when measuring voltage distribution on a dielectric surface, any measurement technique that requires charge transfer, no matter how small, will modify or destroy the actual data. In these types of applications an electrostatic voltmeter is required.<\/p>\n

An instrument that measures voltage with virtually zero charge transfer is called an electrostatic voltmeter. A primary characteristic of electrostatic voltmeters is that they accurately measure surface potential (voltage) on devices or surfaces, with or without physical contact.<\/p>

We are known for our novel non-contacting voltmeter designs, first introduced in 1968, to address charge transfer issues associated with the contacting voltmeter designs at the time. With these non-contacting electrostatic voltmeters an electrostatic voltage monitoring probe is placed in close proximity (1 mm to 5 mm) to the surface to be measured. These electrostatic voltmeters function to drive the potential of the probe body to the same potential as the measured unknown. This achieves a high accuracy non-contacting measurement that is insensitive to variations in probe-to-surface distances and prevents arc-over between the probe and measured surface.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Contacting Voltmeters\n<\/h3>\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
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Model <\/td>Resistance Capacitance <\/td>Accuracy <\/td>Speed of Response (10% to 90%) <\/td>Accuracy <\/td>Data Sheet <\/td><\/tr>
820Infinitron\u00ae 820 <\/td>1 x 1015 \u03a9 \/ 1 x 10-15 F <\/td>0 to \u00b12 kV <\/td>< than 500 \u00b5s \/ for a 1 kV step <\/td>0.1% of full scale <\/td><\/a><\/td><\/tr>
821HHInfinitron\u00ae 821HH <\/td>1 x 1014 \u03a9 \/ 1 x 10-14 F <\/td>0 to \u00b12 kV <\/td>< than 500 \u03bcs \/ for a 1 kV step <\/td>\u00b11% of full scale <\/td><\/a><\/td><\/tr><\/tbody><\/table>
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Non-Contacting Voltmeters<\/h3>\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
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Voltmeter <\/td>Measurement Range <\/td>Accuracy <\/td>Available Probes <\/td>Data Sheet <\/td><\/tr>
341B <\/td>0 to \u00b120 kV <\/td>0.1% of full scale <\/td>3450- 3453ST- 3455ET <\/td><\/a><\/td><\/tr>
P0865 <\/td>0 to \u00b110 kV <\/td>0.1% of full scale <\/td>3450- 3453ST- 3455ET <\/td><\/a><\/td><\/tr>
370 <\/td>0 to \u00b13 kV <\/td>Better than 0.05% of full scale <\/td>3800E 2- 3800S 2- 3870ET 2- 3870ST 2- 7000ER <\/td><\/a><\/td><\/tr>
347 <\/td>0 to \u00b13 kV <\/td>0.05% of full scale <\/td>555P 1- 555P 4- 6000B 5C- 6000B 6- 6000B 7C- 6000B 8- 6000B 13C- 6000B 14- 6000B 15C- 6000B 16- 6300 7- 6300 8 <\/td><\/a><\/td><\/tr>
344 <\/td>0 to \u00b12 kV <\/td>0.05% of full scale <\/td>555P 1- 555P 4- 6000B 5C- 6000B 6- 6000B 7C- 6000B 8- 6000B 13C- 6000B 14- 6000B 15C- 6000B 16- 6300 7- 6300 8 <\/td><\/a><\/td><\/tr>
706B <\/td>0 to + or -1 kV <\/td>0.5% of full scale <\/td><\/td><\/a><\/td><\/tr>
323 <\/td>0 to \u00b1100 V <\/td>0.05% of full scale <\/td>6000B 8- 6000B 16 <\/td><\/a><\/td><\/tr>
320C <\/td>0 to \u00b1100 V <\/td>0.05% of full scale <\/td>3250 <\/td><\/a><\/td><\/tr>
325 <\/td>0 to \u00b140 V <\/td>0.05% of full scale <\/td>PD1216P <\/td><\/a><\/td><\/tr><\/tbody><\/table>
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Electrostatic Voltmeter Probes<\/h3>\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
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Probe Model and Features <\/td>Voltmeter Model <\/td>Body Shape\/ Aperture Location\/ Size <\/td>Dimensions H x L x W (mm) <\/td>Speed of Response <\/td>Noise (rms) <\/td><\/tr>
3250 high-sensitivity <\/td>320C <\/td>square \/ side\/ 6.35 mm dia. <\/td>30.5 x 28.7 x 57.2 <\/td>< 300 ms <\/td>< 5 mV <\/td><\/tr>
PD1216P high-sensitivity <\/td>325 <\/td>round \/ side\/ 4.6 mm dia. <\/td>10 dia. x 56 L <\/td>< 3 ms <\/td>< 1 mV <\/td><\/tr>
555P-1 miniature <\/td>344 347 <\/td>square \/ side\/ 2.56 mm dia. <\/td>5.6 sq. x 49.8 L <\/td>< 3 ms <\/td>< 3 mV <\/td><\/tr>
555P-4 miniature <\/td>344 347 <\/td>square \/ end\/ 1.17 mm dia. <\/td>5.6 sq. x 49.8 L <\/td>< 4.5 ms <\/td>< 4 mV <\/td><\/tr>
6000B-5C high-resolution <\/td>344 347 <\/td>round \/ end \/ 0.79 mm dia. <\/td>11.2 dia. x 65.7 L <\/td>< 4.5 ms <\/td>< 4 mV <\/td><\/tr>
6000B-6 high-resolution <\/td>344 347 <\/td>round \/ side \/ 0.79 mm dia. <\/td>10.3 dia. x 69.7 L <\/td>< 3 ms <\/td>< 3 mV <\/td><\/tr>
6000B-7C <\/td>344 347 <\/td>round \/ end \/ 1.32 mm dia. <\/td>11.2 dia. x 65.7 L <\/td>< 4.5 ms <\/td>< 4 mV <\/td><\/tr>
6000B-8 <\/td>323* 344 347 <\/td>round \/ side \/ 1.32 mm dia. <\/td>9.5 dia. x 68.6 L <\/td>< 3 ms <\/td>< 2 mV <\/td><\/tr>
6000B-13C high-resolution <\/td>344 347 <\/td>square \/ end \/ 0.79 mm dia. <\/td>10.2 sq. x 63.7 L <\/td>< 4.5 ms <\/td>< 4 mV <\/td><\/tr>
6000B-14 high-resolution <\/td>344 347 <\/td>square \/ side \/ 0.79 mm dia. <\/td>10.2 sq. x 68.6 L <\/td>< 3 ms <\/td>< 3 mV <\/td><\/tr>
6000B-15C <\/td>344 347 <\/td>square \/ end \/ 1.32 mm dia. <\/td>10.2 sq. x 63.7 L <\/td>< 4.5 ms <\/td>< 4 mV <\/td><\/tr>
6000B-16 <\/td>323* 344 347 <\/td>square \/ side \/ 1.32 mm dia. <\/td>10.2 sq. x 68.6 L <\/td>< 3 ms <\/td>< 3 mV <\/td><\/tr>
6300-7 high-temperature (to 100\u00ba C) <\/td>344 347 <\/td>square \/ end \/ 1.32 mm dia. <\/td>11.8 x 11.1 x 76.2 <\/td>< 6 ms <\/td>< 10 mV <\/td><\/tr>
6300-8 high-temperature (to 100\u00ba C) <\/td>344 347 <\/td>square \/ side \/ 1.32 mm dia. <\/td>11.8 x 11.1 x 76.2 <\/td>< 4 ms <\/td>< 10 mV <\/td><\/tr>
3450 <\/td>341B P0865 <\/td>square \/ side \/ 3.05 mm x 1.52 mm <\/td>11.8 x 11.1 x 76.0 <\/td>< 200 \u00b5s <\/td>< 20 mV <\/td><\/tr>
3453ST high-temperature\/ vacuum <\/td>341B P0865 <\/td>square \/ side \/ 3.05 mm x 1.52 mm <\/td>11.8 x 11.1 x 76.2 <\/td>< 200 \u00b5s <\/td>< 20 mV <\/td><\/tr>
3455ET high- temperature\/ vacuum <\/td>341B P0865 <\/td>square \/ end \/ 1.52 mm dia. <\/td>11.8 x 11.1 x 76.2 <\/td>< 200 \u00b5s <\/td>< 20 mV <\/td><\/tr>
3800E-2 miniature <\/td>370 <\/td>square \/ end \/ 1.85 mm dia. <\/td>5.6 sq. x 50 L <\/td>368A < 200 \u00b5s \/ 370 < 50 \u00b5s <\/td>368A < 25 mV\/ 370 < 20 mV <\/td><\/tr>
3800S-2 miniature <\/td>370 <\/td>square \/ side \/ 2.35 mm dia. <\/td>5.6 sq. x 50 L <\/td>368A < 200 \u00b5s \/ 370 < 50 \u00b5s <\/td>368A < 25 mV\/ 370 < 20 mV <\/td><\/tr>
3870ET-2 elevated-temperature <\/td>370 <\/td>square \/ end \/ 1.85 mm dia. <\/td>5.6 sq. x 50.0 <\/td>368A < 200 \u00b5s \/ 370 < 50 \u00b5s <\/td>368A < 25 mV\/ 370 < 20 mV <\/td><\/tr>
3870ST-2 elevated-temperature <\/td>368A 370 <\/td>square \/ side \/ 2.35 mm dia. <\/td>5.6 sq. x 50.0 <\/td>368A < 200 \u00b5s \/ 370 < 50 \u00b5s <\/td>368A < 25 mV\/ 370 < 20 mV <\/td><\/tr>
7000ER <\/td>370 <\/td>round \/ end \/ 1.60 mm dia. <\/td>8.7 sq. x 69.8 L <\/td>50 \u00b5s <\/td>< 20 mV <\/td><\/tr><\/tbody><\/table>
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*<\/span>\u00a0Speed of response and noise specifications may vary from those listed here for Model 323.<\/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>\n\t\t","protected":false},"excerpt":{"rendered":"

Home \/ Products \/ High Voltage \/ HV Test and Measurement \/ Electrostatic Voltmeters Electrostatic Voltmeters Many very high impedance (> 1010 \u03a9) voltage measurements cannot be made using conventional type voltmeters because charge transfer into the voltmeter is required, thus causing loading and modification of the source voltage. For example, when measuring voltage distribution on […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","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":"disabled","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":"default","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":""},"class_list":["post-5186","page","type-page","status-publish","hentry"],"yoast_head":"\nHV Test & Measurement: Electrostatic Voltmeters Suppliers in Germany<\/title>\n<meta name=\"description\" content=\"Electrostatic Voltmeter is an instrument that measures voltage with virtually zero charge transfer. 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