GW Instek GDM-398 - Manual (Page 50)

GENERAL SPECIFICATIONS
48
Accuracy Specifications
Accuracy: ±(a% reading + b digits), guaranteed for 1 year.
Operating temperature：18˚C ~28˚C.
Relative humidity: <75%.
DC Voltage
GDM-397/398
Range Resolution Accuracy Input Impedance Fixed Value Input
GDM-398 GDM-397
40mV 0.01mV ±(0.8%+3) Around >3000MΩ
1000V dc/ac (Vpp)
400mV 0.1mV ±(0.8%+3)
4V 0.001V
±(0.5%+1)
Around 10MΩ
40V 0.01V
400V 0.1V
1000V 1V ±(1.0%+3)