The GW Instek GPT-9901A is a new performance hi-pot safety tester with 500VA maximum output capacity. The GPT-9901A has the ability to only perform AC withstanding tests.
Specifications
AC WITHSTANDING
Output-Voltage Range
0.050kV~ 5.000kV ac
Output-Voltage Resolution
2V/step
Output-Voltage Accuracy
± (1% of setting +5V) [no load]
Maximum Rated Load
500 VA (5kV/100mA)
Maximum Rated Current
100mA (0.5kV < V ≤ 5kV)
10mA (0.05kV ≤ V ≤ 0.5kV)
Output-Voltage Waveform
Sine wave
Output-Voltage Frequency
50 Hz / 60 Hz selectable
Voltage regulation
± (1% of reading +5V) [full load → no load]
Voltmeter Accuracy
± (1% of reading+ 5V)
Current Measurement Range
0.001mA~100.0mA
Current Best Resolution
0.001mA / 0.01mA / 0.1mA
AC Current Measurement Accuracy
±(1.5% of reading +30 counts) when HISET < 1.11mA
±(1.5% of reading +3 counts) when HISET ≥ 1.11mA
Window Comparator Method
Yes
ARC Detect
Yes
RAMP (Ramp-Up Time)
0.1~999.9s
TIMER (Test Time)*
OFF, 0.5s~999.9s
Sweep Function*
Yes
GND
ON/OFF
DC WITHSTANDING
Output-Voltage Range
0.050kV~ 6.000kV dc
Output-Voltage Resolution
2V/step
Output-Voltage Accuracy
± (1% of setting +5V) [no load]
Maximum Rated Load
100W (5kV/20mA)
Maximum Rated Current
20mA (0.5kV < V ≤ 6kV)
2mA (0.05kV ≤ V ≤ 0.5kV)
Voltage regulation
± (1% of reading +5V) [full load → no load]
Voltmeter Accuracy
± (1% of reading+ 5V)
Current Measurement Range
0.001mA~20.0mA
Current Best Resolution
0.001mA / 0.01mA / 0.1mA
DC Current Measurement Accuracy
±(1.5% of reading +30 counts) when HISET < 1.11mA
±(1.5% of reading +3 counts) when HISET ≥ 1.11mA
Window Comparator Method
Yes
ARC Detect
Yes
RAMP (Ramp-Up Time)
0.1s~999.9s
TIMER (Test Time)*
OFF, 0.5s~999.9s
Sweep Function*
Yes
GND
ON/OFF
INSULATION RESISITANCE
Output-Voltage
50V~1000V dc
Output-Voltage Resolution
50V/step
Output-Voltage Accuracy
± (1% of setting +5V) [no load]
Resistance Measurement Range
0.001G Ω ~ 50.00G Ω
Test voltage
Measurable Range
Accuracy
50V≤V≤450V
0.001~ 0.050G Ω
0.051~ 2.000G Ω
±(5% of reading +1 count)
±(10% of reading +1 counts)
500V≤V≤1000V
0.001~ 0.500G Ω
0.501~ 9.999G Ω
10.00~ 50.00G Ω
±(5% of reading +1 count)
±(10% of reading +1 count)
±(20% of reading +1 count)
Window Comparator Method
Yes
Output Impedance
600k Ω
RAMP (Ramp-Up Time)
0.1s~999.9s
TIMER (Test Time)
0.5s~999.9s
Sweep Function*
Yes
GND
OFF (fixed)
GROUND BOND
Output-Current Range
03.00A~32.00A ac
Output-Current Resolution
0.01A
Output-Current Accuracy
3A≤I≤8A : ± (1% of setting +0.2A)
8A<I≤32A : ± (1% of setting +0.05A)
Test-Voltage
6Vac max. (open circuit)
Test-Voltage Frequency
50 Hz / 60 Hz selectable
Resistance Measurement Range
10m Ω~650.0m Ω
Resistance Measurement Resolution
0.1m Ω
Resistance Measurement Accuracy
± (1% of reading +2m Ω)
Window Comparator Method
Yes
TIMER (Test Time)
0.5s~999.9s
Sweep Function*
Yes
GND
OFF (fixed)
Test Method
Four Terminal
MEMORY
Single Step Memory
MANU : 100 blocks
Automatic Testing Memory
AUTO : 100 blocks, menu per auto : 16
INTERFACE
Rear Output
Standard
RS232
Standard
USB (Device)
Standard
GPIB
Option
Remote Terminal (Front)
Standard
SIGNAL IO
Standard
General
DISPLY
240 x 64 Ice Blue Dot matrix LCD
POWER SOURCE
AC100V/120V/220V/230V ±10%, 50/60Hz
POWER CONSUMPTION
1000VA max.
DIMENSIONS & WEIGHT
330(W) x 148(H) x 587(D) mm (GPT-9904),
330(W) x 148(H) x 482(D) mm (GPT-9903A/9902A/9901A)
approx.27kg(Max)
* The “Sweep” and “TIMER OFF” can only be performed when the tester is in the special MANU mode
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