Specifications

Model UT90B: OPERATING MANUAL
18
1000V 1V ±(0.8%+3)
Remark:
●Input impedance: 10MΩ.
●Overload Protection: 1000V DC or 750V AC
continuously measure(except 200mV 230V AC).
B.AC Voltage
Range Resolution
Accuracy:
±(a% reading + b
digits)
2V 1mV
20V 10mV
200V 100mV
±(0.8%+5)
750V 1V ±(1.0%+5)
Remarks:
●Input impedance: 10MΩ.
●Overload Protection: 1000V DC or 750V AC
continuously measure.
●Frequency response: 40Hz ~ 400Hz.
●Displays effective value of sine wave (mean
value response).
C.DC Current
Range Resolution
Accuracy:
±(a% reading +
b digits)
200µA 0.1µA
2mA 1µA
20mA 10µA
200mA 0.1mA
±(1.0%+2)
20A 10mA ±(1.2%+5)
Remarks:
●Overload Protection: