{"id":2478,"date":"2021-02-16T03:42:17","date_gmt":"2021-02-16T11:42:17","guid":{"rendered":"https:\/\/www.rbdinstruments.com\/blog\/?p=2478"},"modified":"2021-02-19T16:48:33","modified_gmt":"2021-02-20T00:48:33","slug":"5kv-floating-picoammeter","status":"publish","type":"post","link":"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/","title":{"rendered":"5 kV floating Picoammeter Video"},"content":{"rendered":"<p>This post has been updated to include a video that shows how the High Voltage 9103\u00a0 (PN 91035K) picoammeter can float up to +\/- 5 kV.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/_gF-v8Y_blE\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>RBD Instruments has released a new version of its 9103 USB Picoammeter which incorporates faster reads per second as well as 5000 DC volts of isolation to chassis ground.<\/p>\n<div id=\"attachment_2479\" style=\"width: 528px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?ssl=1\"><img aria-describedby=\"caption-attachment-2479\" data-attachment-id=\"2479\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/attachment\/9103\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&amp;ssl=1\" data-orig-size=\"518,250\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"9103 HV\" data-image-description=\"&lt;p&gt;9103 HV&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;9103 HV&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=300%2C145&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-2479\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=518%2C250&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg\" alt=\"9103 HV\" width=\"518\" height=\"250\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?w=518&amp;ssl=1 518w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?resize=500%2C241&amp;ssl=1 500w\" sizes=\"(max-width: 518px) 100vw, 518px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-2479\" class=\"wp-caption-text\"><noscript><img data-attachment-id=\"2479\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/attachment\/9103\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&amp;ssl=1\" data-orig-size=\"518,250\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"9103 HV\" data-image-description=\"&lt;p&gt;9103 HV&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;9103 HV&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=300%2C145&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-2479\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?resize=518%2C250&#038;ssl=1\" alt=\"9103 HV\" width=\"518\" height=\"250\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?w=518&amp;ssl=1 518w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?resize=500%2C241&amp;ssl=1 500w\" sizes=\"(max-width: 518px) 100vw, 518px\" data-recalc-dims=\"1\" \/><\/noscript><\/a> 9103 HV<\/p><\/div>\n<p>Increasing the DC voltage isolation from chassis ground to 5000 volts (5kV) opens up new possibilities for researchers such as direct DC current measurement of very small electron and photo multiplier signals. Electron and ion beam measurements can be biased to reduce secondary electrons or to retard the beam as needed for experiments.<\/p>\n<p>Designed to provide accurate bipolar DC current measurements in noisy environments such as synchrotron beam lines, the 9103 can measure bi-polar DC currents from low picoamps to milliamps.<\/p>\n<p>The drawing below shows how the 9103 is floated on your HV power supply. The high voltage is referenced to chassis ground, and the signal ground is referenced to the high voltage. To help keep the supply and signal connections clear, the HV connection is a MHV connector and the signal input is a SHV connector.<\/p>\n<div id=\"attachment_2482\" style=\"width: 1033px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?ssl=1\"><img aria-describedby=\"caption-attachment-2482\" data-attachment-id=\"2482\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/floating-picoammeter\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=1023%2C680&amp;ssl=1\" data-orig-size=\"1023,680\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Floating picoammeter\" data-image-description=\"&lt;p&gt;Floating picoammeter&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Floating picoammeter&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=300%2C199&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=584%2C388&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-2482\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=584%2C388&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg\" alt=\"Floating picoammeter\" width=\"584\" height=\"388\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?w=1023&amp;ssl=1 1023w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=768%2C510&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=451%2C300&amp;ssl=1 451w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-2482\" class=\"wp-caption-text\"><noscript><img data-attachment-id=\"2482\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/floating-picoammeter\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=1023%2C680&amp;ssl=1\" data-orig-size=\"1023,680\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Floating picoammeter\" data-image-description=\"&lt;p&gt;Floating picoammeter&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Floating picoammeter&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=300%2C199&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?fit=584%2C388&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-2482\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=584%2C388&#038;ssl=1\" alt=\"Floating picoammeter\" width=\"584\" height=\"388\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?w=1023&amp;ssl=1 1023w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=768%2C510&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/Floating-picoammeter.jpg?resize=451%2C300&amp;ssl=1 451w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><\/noscript><\/a> Floating picoammeter<\/p><\/div>\n<p>There are a number of manufacturers of programmable DC power supplies that can be used to float the 9103 up to whatever voltage is needed (as long as you do not exceed +\/- 5 kV).<\/p>\n<p>For example, TDK-Lambda provides a programmable 0 to 6.5kV supply that can be voltage limited to 5 kV and can drive up to 2 mA of current.<\/p>\n<p>The model number for a 120 VAC line input is PHV6.5P2-USB-1P115.\u00a0 The base model has a ripple of 700mV which is somewhat high, but TDK-Lambda does offer a low ripple option that gets the ripple down to 75mV.\u00a0 You can also easily make a simple RC filter to do the same thing. A number of interface options are available including USB, Ethernet, Serial and analog.<\/p>\n<div id=\"attachment_2480\" style=\"width: 746px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?ssl=1\"><img aria-describedby=\"caption-attachment-2480\" data-attachment-id=\"2480\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/tdk-lambda-supply\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=736%2C486&amp;ssl=1\" data-orig-size=\"736,486\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"TDK Lambda supply\" data-image-description=\"&lt;p&gt;TDK Lambda supply&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;TDK Lambda supply&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=300%2C198&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=584%2C386&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-2480\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=584%2C386&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png\" alt=\"TDK Lambda supply\" width=\"584\" height=\"386\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?w=736&amp;ssl=1 736w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?resize=300%2C198&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?resize=454%2C300&amp;ssl=1 454w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-2480\" class=\"wp-caption-text\"><noscript><img data-attachment-id=\"2480\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/tdk-lambda-supply\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=736%2C486&amp;ssl=1\" data-orig-size=\"736,486\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"TDK Lambda supply\" data-image-description=\"&lt;p&gt;TDK Lambda supply&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;TDK Lambda supply&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=300%2C198&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?fit=584%2C386&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-2480\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?resize=584%2C386&#038;ssl=1\" alt=\"TDK Lambda supply\" width=\"584\" height=\"386\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?w=736&amp;ssl=1 736w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?resize=300%2C198&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/TDK-Lambda-supply.png?resize=454%2C300&amp;ssl=1 454w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><\/noscript><\/a> TDK Lambda supply<\/p><\/div>\n<div id=\"attachment_2481\" style=\"width: 750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?ssl=1\"><img aria-describedby=\"caption-attachment-2481\" data-attachment-id=\"2481\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/phv-series\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=740%2C467&amp;ssl=1\" data-orig-size=\"740,467\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"PHV series\" data-image-description=\"&lt;p&gt;PHV series&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;PHV series&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=300%2C189&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=584%2C369&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-2481\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=584%2C369&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png\" alt=\"PHV series\" width=\"584\" height=\"369\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?w=740&amp;ssl=1 740w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?resize=300%2C189&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?resize=475%2C300&amp;ssl=1 475w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-2481\" class=\"wp-caption-text\"><noscript><img data-attachment-id=\"2481\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/phv-series\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=740%2C467&amp;ssl=1\" data-orig-size=\"740,467\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"PHV series\" data-image-description=\"&lt;p&gt;PHV series&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;PHV series&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=300%2C189&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?fit=584%2C369&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-2481\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?resize=584%2C369&#038;ssl=1\" alt=\"PHV series\" width=\"584\" height=\"369\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?w=740&amp;ssl=1 740w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?resize=300%2C189&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/PHV-series.png?resize=475%2C300&amp;ssl=1 475w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><\/noscript><\/a> PHV series<\/p><\/div>\n<p>The new high speed option for the 9103 increases the reads per second from 40 to over 500, which is fast enough to perform optical chopper experiments. And, by taking more reads in the same amount of time as the first generation 9103 could, the accuracy is improved.<\/p>\n<p>The Actuel software included with the 9103 provides new features for high speed acquisitions and display, but you can also write your own software to control the 9103 using the simple ASCII commands or in LabVIEW.<\/p>\n<p>Since 9103s can be synced, it is now possible to configure a multichannel DC Picoammeter with up to 256 channels that has high speed, high voltage, or both options.<\/p>\n<p>And if you do not need the high speed or high voltage options, the standard 9103 USB Picoammeter is still available as well.<\/p>\n<p>For more information visit the RBD Instruments website at\u00a0<a href=\"http:\/\/www.rbdinstruments.com\/Products\/Picoammeter.html\">http:\/\/www.rbdinstruments.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This blog posts explains how a picoammeter can be floated up to +\/- 5 kV DC    It includes a link to a video that shows a 9103 USB picoammeter being floated up to 5 kV and also a Keithley 485 picoammeter trying to float up to 5 kV.   <a href=\"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[159],"tags":[347,116,346,345,252,348,344,7,190],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p2DEXo-DY","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1855,"url":"https:\/\/www.rbdinstruments.com\/blog\/9103-picoammeter-bias-modes\/","url_meta":{"origin":2478,"position":0},"title":"9103 Picoammeter bias modes","author":"Randy","date":"December 20, 2016","format":false,"excerpt":"9103 Picoammeter bias modes This post explains the 9103 picoammeter bias modes and also explains the concept of \u201cfloating\u201d. There are 4 picoammeter bias modes: No bias \u2013 the current source is connected directly to the picoammeter input Internal \u2013 a low noise DC supply (two 45 V DC batteries\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"Floating-the-9103-Functionality 5000V","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2016\/12\/Floating-the-9103-Functionality-5000V.png?fit=766%2C824&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2016\/12\/Floating-the-9103-Functionality-5000V.png?fit=766%2C824&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2016\/12\/Floating-the-9103-Functionality-5000V.png?fit=766%2C824&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2335,"url":"https:\/\/www.rbdinstruments.com\/blog\/how-to-test-the-bias-batteries-in-a-9103-picoammeter\/","url_meta":{"origin":2478,"position":1},"title":"How to test the bias batteries in a 9103 picoammeter","author":"Randy","date":"April 17, 2018","format":false,"excerpt":"The 9103 USB picoammeter is often equipped with a +90 V bias option which improves the accuracy of electron and ion current measurements (by reducing the number of low energy secondary electrons that are generated by the beam from leaving the target). The +90 V bias comprises two 45V batteries\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"9103 bias batteries","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3844,"url":"https:\/\/www.rbdinstruments.com\/blog\/9103-usb-picoammeter-blog-list\/","url_meta":{"origin":2478,"position":2},"title":"9103 USB Picoammeter Blog list","author":"Randy","date":"September 7, 2023","format":false,"excerpt":"A summary of all of the 9103 USB picoammeter blog posts at RBD Techspot","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"9103 HV Picoammeter","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/11\/9103-hv.png?fit=530%2C261&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2119,"url":"https:\/\/www.rbdinstruments.com\/blog\/9103-floating-ground-reference\/","url_meta":{"origin":2478,"position":3},"title":"9103 Floating Ground Reference","author":"Randy","date":"November 13, 2017","format":false,"excerpt":"The term \"floating ground reference\" in the title of this post refers to an electrical circuit that does not have a ground connected electrically to earth. (This type of connection is also referred to as \"floating input\".) The 9103 USB data logging picoammeter has the ability to float higher than\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2017\/11\/Current-limit-resistor-2.jpg?fit=1117%2C713&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2017\/11\/Current-limit-resistor-2.jpg?fit=1117%2C713&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2017\/11\/Current-limit-resistor-2.jpg?fit=1117%2C713&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2017\/11\/Current-limit-resistor-2.jpg?fit=1117%2C713&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2717,"url":"https:\/\/www.rbdinstruments.com\/blog\/9103-usb-picoammeter-winter-2020-news\/","url_meta":{"origin":2478,"position":4},"title":"9103 USB Picoammeter Winter 2020 News","author":"Joe Caterinicchio","date":"February 12, 2020","format":false,"excerpt":"Last year, RBD introduced an updated 9103 USB Picoammeter, with 3 new models: High-speed: 500 reads \/ second compared to 40 for the Standard Model High-voltage: an isolated signal input with the ability to float the 9103 Picoammeter to \u00b15000 VDC. High-speed \/ High Voltage: One model combining both features.\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/02\/actuel-1-6.png?fit=727%2C371&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/02\/actuel-1-6.png?fit=727%2C371&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/02\/actuel-1-6.png?fit=727%2C371&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2261,"url":"https:\/\/www.rbdinstruments.com\/blog\/new-feature-use-the-9103-picoammeter-to-automatically-read-microcma-target-current\/","url_meta":{"origin":2478,"position":5},"title":"New Feature: Use the 9103 Picoammeter to Automatically Read microCMA Target Current","author":"Joe Caterinicchio","date":"March 29, 2018","format":false,"excerpt":"The latest software releases of Actuel for the 9103 Picoammeter and CMapp for the microCMA now support the ability to automatically read target current when acquiring data. To use this feature, you must (of course) have a 9103 Picoammeter running RBD's Actuel software. Run CMapp for the microCMA, select Hardware\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"microcma-hardware-properties","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/03\/microcma-hardware-properties.png?fit=781%2C1025&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/03\/microcma-hardware-properties.png?fit=781%2C1025&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/03\/microcma-hardware-properties.png?fit=781%2C1025&ssl=1&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2478"}],"collection":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/comments?post=2478"}],"version-history":[{"count":1,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2478\/revisions"}],"predecessor-version":[{"id":3147,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2478\/revisions\/3147"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media\/2479"}],"wp:attachment":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media?parent=2478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/categories?post=2478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/tags?post=2478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}