QuadTech Guardian 500VA
Hipot Tester,

  • Programmable Ramp and Test Times
  • Fast Cutoff and Quick Discharge of Device Under Test
  • Programmable Hi/Lo Limits for Pass/Fail Testing
  • LCD Display for Menu Programming and Test Results
  • Internal Storage and Recall of 50 Test Setups, 10 Steps Each
  • Front and Rear Panel Output Connections
  • Front Panel Lockout Prevents Changes to the Test Setup
  • Automatic Offset to Zero Out Stray Leakage Current
  • Remote I/O Interface Included Standard
  • RS-232 Interface Optional
  • IEEE-488 and Printer Interfaces Optional
  • External 8 Channel Scanner Optional
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QuadTech Guardian 500VA Shown

Product Information
Datasheet 125 KB
The Guardian 500VA Hipot Tester is designed for specific electrical safety test applications. The Guardian 500VA is intended for high leakage current measurements to 100mA, the Gaurdian 10kVAC for high voltage AC testing and the Guardian 12kVDC and 20kVDC for high voltage DC testing. It also measures insulation resistance (IR).

The Guardian 500VA Hipot Tester is an economically 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 instrument’s DC dielectric testing capability 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 0.1µA.
AC Output Voltage Range 50V to 5000V AC, 1V resolution
Frequency 50 or 60 Hz Programmable
Waveform +/-(1% of setting +5V)
Regulation <(1% +5V) at Rated Load
Voltage Display Accuracy  +/-(1% of reading + 5V) 
Resolution 1 Volt
AC Current Display
(Total Current)
Range 1µA to 100mA AC
Resolution 0.001mA
Accuracy ±(1% + 5cnt)
High/Low Limit Test µA to 100mA AC
Low limit can be turned OFF
DC Output Voltage Range  50V to 6000V DC, 1V resolution
Resolution  <(1% +5V) at Rated Load 
DC Current Display Range 0.1µA to 20mA DC
Resolution  0.1µA
Accuracy ±(1% or reading + 5cnt)
High/Low Limit Test 0.1µA to 20mA DC
Low limit can be turned OFF
Insulation Resistance Range 100kΩ- 50GΩ
Accuracy ±5% to ±15% depending upon V and R
AC/DC Test Time Ramp: 0.1 to 99.9s (±20ms)
Test: 0.1 to 999s (±20ms) and Continuous
Arc Detection Programmable Level and OFF, 0.001mA/step
Remote Control Inputs: Start, Stop
Outputs: Pass/Fail/Under Test
Connector: Terminal Strip and 9 pin D Series
Ordering Information
Model Description Buy Online Price
GUARDIAN500VA QuadTech Guardian 500VA AC/DC/IR Hipot Tester Discontinued
Included Accessories
  • 1 - Instruction Manual
  • 1 - HV Lead Set, 1m
  • 1 - Power Entry Adapter Cable
  • 1 - AC Power Cable
  • 1 - Calibration Certificate Traceable to NIST
Optional Accessories
S04 QuadTech S04, High Voltage Lead Set, High & Low, 2 Meters Discontinued
S05 QuadTech S05, Foot Switch Discontinued
S06 QuadTech S06, High Voltage Probe Discontinued
S08 QuadTech S08, Gun Probe Discontinued
S09 QuadTech S09, High Voltage Lead, 1 Meter, Unterminated Discontinued
S-10 Shimpo S-10 *2250 lb (10 kN) Remote S-Beam Load Cell for use with FG-7000L Indicator Discontinued
S11 QuadTech S11, Gun Probe with Remote Start Discontinued
G13 QuadTech G13, Corded Product Adapter (115V) Discontinued
G16 Quadtech G16, International Power Stip Discontinued
G25 QuadTech G25 Corded Product Adapter (240V) Discontinued
G26 QuadTech G26 RS-232 Interface Discontinued
G38 QuadTech G38 Printer Interface, G1000, G6000P (rpl IEEE) Discontinued
G39 QuadTech G39 IEEE-488 Interface, G1000, G6000P Discontinued
500-003 Eclipse 500-003 25 Pc. Computer Service Kit Discontinued