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Chroma Guardian 500VA Plus

Chroma Guardian 500VA Plus

AC Hipot Tester

The Chroma Guardian 500VA Plus is one of our Factory New AC Hipot Testers.

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Chroma Guardian 500VA Plus Features:

  • 500V output rating
  • Hipot: AC 5kV/100mA - DC 6kV/20mA
  • Insulation: 5kVmax - 1MΩ~50GΩ
  • Floating output complies with EN50191
  • Corona Disharge Detection
  • Flashover Detection
  • Discharge Level Analysis (DLA)
  • Open/Short Check function (OSC)
  • High Frequency Contact Check (HFCC)
  • Ground Fault Interrupt
  • Standard RS-232 Interface
  • Optional GPIB & HANDLER Interface
  • Key Lock when Fail
  • Programmable Voltage and Test Limit
  • CE Mark
  • Supports A190301 8HV Scanning Box


  • High Voltage Capacitor, Photocoupler & Insulation Materials
  • Transformer safety testing
  • Generator/motor safety testing

The Guardian 500VA Plus Hipot Analyzer is designed for hipot tests and analysis. The tests of AC/DC/IR can be programmed in AC 5kV/100mA - DC 6kV/20mA with 500VA output rating which complies with the EN50191 requirements. The 500VA Plus not only includes AC/DC/IR tests but also a new measurement technology - Corona Discharge Detection (CDD). Corona Discharge Detection and Discharge Level Analysis (DLA) are used to specify the:

  • Flashover Start Voltage (FSV)
  • BreakDown Voltage (BDV)

These functions provide useful data to verify the product’s insulation and increase the reliability of the product during manufacturing.

For Contact Checking during the hipot test, the 500VA Plus is equipped with a High Frequency Contact Check (HFCC) besides the Open Short Check (OSC) function. By conducting the Contact Check during Hipot test, it can increase the test reliability and efficiency significantly.

For convenience, the 500VA Plus has a large LCD screen for operation. In addition, the GFI human protection circuit and Floating safety output prevents electrical hazard to the operator.