Accuracy Specifications; Ac Voltage; Frequency - UNI-T UT231 Operating Manual

Model UT231: OPERATING MANUAL
Accurate Specifications
Accuracy: (a% reading + b digits), guarantee for 1 year.
Operating temperature: 23
Operating humidity: 45~75%R.H
A. AC Voltage (True RMS)
Range Resolution
15V
100V 0.1V
300V
B. Frequency
Range Precision
20Hz~500Hz 1Hz
5
Accuracy Allowable Maximum overload protection
voltage
(1.2%+5) 600 RMS
Accuracy
(0.5%+5)
Input Impedance
10M
27