User guide

GENERAL SPECIFICATIONS
50
AC Voltage
GDM-397/398
Range
Resolution
Accuracy 45~400Hz
Input Impedance
Fixed Value Input
GDM-398
GDM-397
40mV
0.01mV
±(1.2%+5)
Around >3000MΩ
1000V dc/
750Vrms ac
400mV
0.1mV
±(1.0%+3)
4V
0.001V
Around 10MΩ
40V
0.01V
400V
0.1V
750V
1V
±(1.2%+5)
 Displays effective value of a sine wave. mV range is applicable from 5% of range
to 100% of range.