Omega HHM21 Manual page 5

DC VOLTS
Ranges: 430mV,4.3V,43V, 430V,600V
Resolution: 100µV
Accuracy: ±(0.25%rdg + 1dgt)
Input impedance: >10MW
Overload protection: 600VDC or AC rms
AC VOLTS (50Hz - 2KHz)
Ranges: 430mV,4.3V,43V,430V,600V
Resolution: 100µV
Accuracy:
Range
430mV ±(1.5%rdg+3dgts)
4.3V
43V
430V
600V
Input impedance: >10MW
Overload protection: 600VDC or AC rms
50Hz-100Hz
±(0.75%rdg+2dgts)
100Hz-500Hz
N/A
3
500Hz-2KHz
N/A
±(1.5%rdg+3dgts)