27
Accuracy Specifications(1)
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.
A. DC Voltage
Remark: Input impedance: 10MΩ
B. AC Voltage
200mV
2V
20V
200V
750V
Remarks:
l Input impedance: 10MΩ .
l Frequency response: 40Hz~400Hz.
l Display effective value of sine wave (mean value
response).
200mV
2V
20V
200V
1000V
100µV
1mV
10mV
100mV
1V
Range Resolution
(0.5%+1)
Overload
Protection
UT50A UT50B UT50C
Accuracy
250VDCor
ACrms.
(0.8%+2)
1000V DC
or 750V AC
rms.
100µV
1mV
10mV
100mV
1V
Range
Resolution
(1.2%+3)
Overload
Protection
UT50A UT50B UT50C
Accuracy
250V DC or
AC rms
(0.8%+3)
(1.2%+3)
1000V DC
or 750V
AC rms.
Model UT50A/B/C: OPERATING MANUAL