GPT-9900 Series Multi-Function Electrical Safety Tester with AC Withstanding Voltage, DC Withstanding Voltage, Insulation Resistance and Ground Bond Testing

Product Introduction

Measurement Specification

• Model functions : GPT-9904: ACW, DCW, IR, GB; GPT-9903A: ACW, DCW, IR; GPT-9902A: ACW, DCW; GPT-9901A: ACW
• AC withstand voltage output : 0.050 kV to 5.000 kV AC, 2 V/step, sine wave, selectable 50 Hz／60 Hz
• AC withstand voltage current : Maximum rated current 100 mA at 0.5 kV＜V≦5 kV and 10 mA at 0.1 kV≦V≦0.5 kV; maximum rated load 500 VA at 5 kV／100 mA
• AC voltage accuracy : ±（1% of setting + 5 V）[no load]; regulation and voltmeter accuracy are ±（1% of reading + 5 V）
• AC current measurement : 0.001 mA to 100.0 mA; resolution 0.001 mA／0.01 mA／0.1 mA; accuracy ±（1.5% of reading + 30 counts） or ±（1.5% of reading + 3 counts）
• DC withstand voltage output : 0.100 kV to 6.000 kV DC, 2 V/step; maximum rated load 100 W at 5 kV／20 mA
• DC withstand voltage current : Maximum rated current 20 mA at 0.5 kV＜V≦6 kV and 2 mA at 0.1 kV≦V≦0.5 kV
• DC current measurement : 0.001 mA to 20.0 mA; resolution 0.001 mA／0.01 mA／0.1 mA; accuracy ±（1.5% of reading + 30 counts） or ±（1.5% of reading + 3 counts）
• Insulation resistance testing : 50 V to 1000 V DC output, 50 V/step; resistance range 0.001 GΩ to 50.00 GΩ; output impedance 600 kΩ
• Insulation resistance accuracy : Depends on test voltage and measurement range, up to ±（20% of reading + 1 count）
• Ground bond testing : 3.00 A to 32.00 A AC output current, 0.01 A resolution; maximum open-circuit test voltage 6 VAC; four-terminal measurement
• Ground bond resistance : 10 mΩ to 650.0 mΩ, 0.1 mΩ resolution; accuracy ±（1% of reading + 2 mΩ）
• Ramp and timer : RAMP 0.1 to 999.9 s; TIMER OFF or 0.5 s to 999.9 s depending on test mode; insulation resistance timer 1 s to 999.9 s
• Comparison and detection : Window comparison and ARC detection supported; grounding mode can be set ON／OFF where applicable, while insulation resistance and ground bond modes are fixed OFF
• Timer accuracy : ±（100 ppm + 20 ms）
• Memory : Single Step Memory: MANU 100 blocks; automatic test memory: AUTO 100 blocks, with up to 16 steps per menu
• Operating conditions : Ambient temperature 15°C to 35°C with a minimum warm-up time of 30 minutes
• Warranty : 3 years for all models

Product Features

• AC withstand voltage testing : Supported by GPT-9904, GPT-9903A, GPT-9902A and GPT-9901A
• DC withstand voltage testing : Supported by GPT-9904, GPT-9903A and GPT-9902A; not supported by GPT-9901A
• Insulation resistance testing : Supported by GPT-9904 and GPT-9903A; not supported by GPT-9902A and GPT-9901A
• Ground bond testing : Supported only by GPT-9904
• Arc detection : ARC detection supported for AC and DC withstand voltage testing
• Window comparison : Supports upper and lower limit comparison for fast PASS／FAIL evaluation
• Ramp control : Ramp-up time adjustable from 0.1 to 999.9 seconds
• Test timer : Adjustable test timer; timer can be disabled in selected special MANU modes
• Scanning : Scanning function supported according to the operating mode and special MANU settings
• Test memory : Provides manual single-step memory and automatic test sequence memory for repeatable procedures
• Interfaces : Standard RS232, USB Device, rear-panel output, front-panel remote terminal and SIGNAL I/O; GPIB is optional
• Display : 240 x 64 dot matrix LED-backlit LCD
• Applications : Suitable for production-line inspection, R&D verification, quality control sampling, appliance safety testing and electronic equipment testing

Product Information

• Display : 240 x 64 dot matrix LED-backlit LCD
• Dimensions : GPT-9904: approximately 330（W）x 148（H）x 587（D）mm; GPT-9903A／GPT-9902A／GPT-9901A: approximately 330（W）x 148（H）x 482（D）mm
• Weight : Approximately 27 kg maximum
• Power supply : AC 100 V／120 V／220 V／230 V ±10%, 50 Hz／60 Hz
• Power consumption : 1000 VA maximum
• Standard interfaces : RS232, USB Device, rear-panel output, front-panel remote terminal and SIGNAL I/O
• Optional interface : GPIB
• Test terminals : Terminal configuration varies by model for AC／DC withstand voltage, insulation resistance and ground bond testing
• Grounding mode : Grounding mode is configurable for AC and DC withstand voltage testing; insulation resistance and ground bond modes are fixed OFF
• Installation format : Benchtop test instrument suitable for laboratories, quality control stations and automated production lines
• Accessory information : A detailed accessory list was not provided in the source data; actual contents depend on the supplied configuration
• Note : The manufacturer reserves the right to modify specifications without prior notice