UNI-T UT231 User Manual

14
Model UT231: OPERATING MANUAL
When the voltage input is higher than 30V, the
display shows to warn you to take extra care
of safety.
When the input voltage is higher than 600V
(r.m.s.), the display shows OL.
The AC Voltage ranges are:
15V, 100V, 300V and 600V
The frequency range is:
20Hz~500Hz
Warning
To measure AC voltage + frequency, connect the Meter
as follows:
Insert the red test lead into the V terminal and black
test lead to the COM input terminal.
Press the MENU to select Voltage (main display)
+ Frequency (secondary display) range and connect
the two test leads to the object being measured.
The double display shows the AC voltage True
RMS value and the frequency value.
1.
2.
3.
Press MAX/MIN again to show the present AC
voltage True RMS value.
The display shows OL when the input voltage is
higher than 600V (r.m.s).
6.
7.
When the measurement has been completed,
disconnect the connection between the testing leads
and the circuit under test and remove testing leads
from the input terminals.
Note
Press MAX/MIN once, the LCD displays MAX, it
starts recording the maximum AC voltage True RMS
value.
Press MAX/MIN again, the LCD displays MIN, it
starts recording the minimum AC voltage True RMS
value.
4.
5.

UNI-T UT231 Specifications

General

Backlight	Yes
Product type	Digital multimeter
Frequency range	0.02 - 0.5 kHz
AC current range	40 - 1000 A
AC voltage range	15 - 600 V
Temperature measurement range	-50 - 1000 °C
Dimensions (WxDxH)	112 x 39 x 303 mm
Battery voltage	1.5 V

Weight and Dimensions

Weight	601 g