User Manual
    GPT-9000/9000A Series User Manual 
168 
Current Best Resolution 
GPT-98XX: 
1uA 
0.001mA(0.001mA~0.999mA) 
0.01mA(01.00mA~09.99mA) 
0.1mA(010.0~040.0mA) 
GPT-99XX/GPT-99XXA: 
1uA 
0.001mA(0.001mA~1.100mA) 
0.01mA(01.11mA~11.00mA) 
0.1mA(011.1~100.0mA) 
Current Measurement 
Accuracy 
GPT-98XX: 
± (1.5% of rdg + 30 counts) when HI SET<1.00mA 
± (1.5% of rdg + 3 counts) when HI SET≥1.00mA 
GPT-99XX/GPT-99XXA: 
± (1.5% of rdg + 30 counts) when HI SET<1.11mA 
± (1.5% of rdg + 3 counts) when HI SET≥1.11mA 
Judgment Valid Range (ACW) 
HI SET: 
0.011mA to 1.100mA 
00.11mA to 11.00mA 
001.1mA to 040.0mA(GPT-99xx/99xxA is 100.0mA) 
LOW SET: 
0.010mA to 1.099mA 
00.10mA to 10.99mA 
001.0mA to 039.9mA(GPT-99xx/99xxA is 099.9mA) 
Window Comparator Method 
Yes 
ARC DETECT 
Yes 
Rise-time Control Function 
Yes 
RAMP (Ramp Time) 
0.1~999.9S 
TIMER (Test Time) 
OFF
2
, 0.5S~999.9S 
GND 
ON/OFF 
1
 At least 0.5 seconds is needed to reach a set voltage of 50V/10mA. 
2
 The timer can only be turned off under special MANU mode (MANU=***-000). 










