Product Overview
The GPT-9903A is an electrical safety test (hi-pot) tester from GW-INSTEK in the GPT-9900 series. The unit is a 3-in-1 tester that provides AC withstanding, DC withstanding, and insulation resistance test functions. The product is intended for verifiable high voltage testing in accordance with the functions specified by the manufacturer.Function and Application
As a hi-pot tester, the GPT-9903A performs insulation and voltage tests using three separate test methods: AC withstanding, DC withstanding, and insulation resistance measurement. The unit is used to generate controlled high voltages and measure current/resistance under test conditions, including:- AC withstanding test: up to 5,000 kV AC output (0.050 kV~5.000 kV) with a specified maximum load of 500 VA.
- DC withstanding test: DC output range from 0.050 kV to 6,000 kV.
- Insulation resistance: measurement range up to 50.00 GΩ for insulation testing.
Interfaces and Operation
The GPT-9903A comes with standard RS-232 and USB (device) interfaces. GPIB is available as an option according to the manufacturer's documentation. The unit has built-in functions such as window comparator, ARC detection, ramp times, and time settings as specified in the manufacturer's technical document.Documentation
See datasheet from the manufacturerSpecifications
- Model: GPT-9903A (GW-INSTEK)
- Functions: AC withstanding, DC withstanding, insulation resistance (3-in-1)
- AC output range: 0.050 kV ~ 5.000 kV AC
- DC output range: 0.050 kV ~ 6.000 kV DC
- Maximum AC load: 500 VA
- Insulation resistance measurement range: 0.001 GΩ ~ 50.00 GΩ
- Interface: RS-232 and USB (device) standard; GPIB as option
- Dimensions (W×H×D): 330 × 148 × 482 mm
- Weight: approximately 27 kg
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