11
Electrical Specifications
Accuracy is ±(% reading number of digits) or otherwise specified, at 23
o
C ±
5
o
C & less than 75% R.H.
True RMS Model 162 ACV & ACA clamp-on accuracies are specified from 5% to 100%
of range or otherwise specified. Maximum Crest Factor are as specified below, and
with frequency spectrums, besides fundamentals, fall within the meter specified AC
bandwidth for non-sinusoidal waveforms.
DC Voltage
RANGE
Accuracy
400.0 mV
0.3% + 3d
4.000V, 40.00V, 400.0V
0.5% + 3d
600V
1.0% + 4d
NMRR : >50dB @ 50/60Hz
CMRR : >120dB @ DC, 50/60Hz, Rs=1k
Ω
Input Impedance : 10M
Ω
, 30pF nominal (1000M
Ω
for 400.0mV range)
AC Voltage
RANGE Accuracy
50Hz ~ 500Hz
400.0mV
1)
4.0% + 4d
50Hz ~ 60Hz
4.000V, 40.00V, 400.0V
1.0% + 4d
60Hz ~ 500Hz
4.000V, 40.00V, 400.0V
1.5% + 4d
50Hz ~ 500Hz
600V
2.0% + 4d
CMRR : >60dB @ DC to 60Hz, Rs=1k
Ω
Input Impedance: 10M
Ω
, 30pF nominal
True RMS Model 162 Crest Factor: < 1.6 : 1 at full scale & < 3.2 : 1 at half scale
1)
Selection by RANGE button manually, and is specified from AC 40mV (AC 60mV for
True RMS Model 162) and up