UNI-T UT90A - Accuracy Specifications; DC Voltage; AC Voltage

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Accuracy Specification(1)
Accuracy: (a% reading + b digits),guarantee for 1 year.
Operating temperature:18
o
C~28
o
C.
Relative humidity:<75%RH.
Temperature coefficient: 0.1 x (specified accuracy) / 1
o
C.
Remark: Input impedance: 10MΩ
A. DC Voltage
200mV
2V
20V
200V
1000V
0.1mV
1mV
10mV
100mV
1V
Range Resolution
(0.5%+2)
Overload
Protection
Accuracy
230VAC
(0.8%+3)
1000V DC
or 750V AC
rms.
continuous.
B. AC Voltage
2V
20V
200V
750V
1mV
10mV
100mV
1V
Range Resolution
(0.8%+5)
Overload
Protection
Accuracy
(1.0%+5)
1000V DC
or 750V AC
rms.
continuous.
Remarks:
l Input impedance: 10MΩ .
l Frequency response: 40Hz~400Hz.
l Display effective value of sine wave (mean value
response).
Model UT90A: OPERATING MANUAL