For example: Agilent E4440A or Anritsu 68369
Hipots
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Quadtech 500VA Overview
The Guardian
500VA Hipot Tester is an economoically priced AC/DC Hipot Tester for testing products which have high leakage current. With a programmable voltage range from 50 to 5000V AC and maximum current output of 100mA, the unit is ideal for load testing of capacitive devices. The DC dielectric testing capability of the instrument covers the range from 50 to 6000V DC, with a maximum current output to 20mA for quick charging of capacitive devices. DC leakage current can be monitored down to 0.1?A.
The Guardian 500VA also performs Insulation Resistance (IR) measurements, similar to DC hipot, except the insulation resistance value of the product is displayed directly in ohms.
The resistance can be measured over the range of 100k? to 50G? at test voltages from 50 to 1000VDC.
In all cases, both high and low limits are operator programmable for quick and easy
pass/fail testing. These dual limits are essential to ensure that the device under test is actually making contact with the tester. For consistent testing, up to 99 setups can be stored in instrument memory for later recall. An optional high voltage scanner is also available for testing multi-connection devices.