User Guide

30
Accuracy: (a% reading + b digits),guarantee for 1 year.
Operating temperature:23
o
C
5
o
C.
Relative humidity:<75%.
Temperature coefficient: 0.1 x (specified accuracy) / 1
o
C.
Remarks:
l Input impedance: approx. 10MΩ.
l Frequency response: 40Hz ~ 400Hz.
l Displays effective value of sine wave (mean value
response).
B. DC Voltage
Remark:
l Input impedance:
At 400mV range: above 4000MΩ.
All other ranges: approx. 10MΩ.
A.AC Voltage
4V
40V
400V
750V
1mV
10mV
100mV
1V
Range Resolution
(1%+5)
Overload
Protection
Accuracy
(1.2%+5)
1000V DC
or 750V AC
continuous.
Accuracy Specification(1)
400mV
4V
40V
400V
1000V
0.1mV
1 mV
10 mV
100mV
1V
Range Resolution
Overload
Protection
Accuracy
(0.8%+3)
1000V DC
or 750V AC
continuous.
(1%+3)
(0.8%+1)
Model UT90C: OPERATING MANUAL