Dc Voltage; Ac Voltage - UNI-T UT90A Operating Manual

Model UT90A: OPERATING MANUAL
Accuracy: ±(a% reading + b digits), guarantee
for 1 year.
Operating temperature: 18 - 28? .
Relative humidity: =75%RH.
A.DC Voltage
Range
200mV
2V
20V
200V
1000V
Remark:
?Input impedance: 10MO.
?Overload Protection: 1000V DC or 750V AC
continuously measure(except 200mV 230V AC).
B.AC Voltage
Range Resolution
2V 1mV
20V 10mV
200V 100mV
750V 1V
Remarks:
?Input impedance: 10MO.
?Overload Protection: 1000V DC or 750V AC
continuously measure.
?Frequency response: 40Hz ~ 400Hz.
?Displays effective value of sine wave (mean
value response).
Resolution
0.1mV
1mV
10mV
100mV
1V
17
Accuracy:
±(a% reading +
b digits)
±(0.5%+2)
±(0.8%+3)
Accuracy:
±(a% reading + b
digits)
±(0.8%+5)
±(1.0%+5)