TABLE OF CONTENTS
TITLE

                                                                                         PAGE

Model UT231: OPERATING MANUAL

1

Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
      A. The Meter Front Structure
      B. The Meter Back and Bottom Structure
Functional Buttons
Display Symbols
Measurement Operation
      A. AC Voltage + Frequency Measurement
      B. AC Current + AC Voltage Measurement
      C. Active Power + Phase Angle Measurement
      D. Apparent Power + Reactive Power Measurement
      E. Power Factor + Phase Angle Measurement
      F.  Active Energy + Time Measurement

      G. Temperature 

 + Temperature   Measurement

True RMS Measurement and Average Value Measurement

3
3
4
4
6
6
6
8
8
11
13
13
15
16
18
19
21
23
24