UT241/242/243 OPERATING MANUAL 

1

Safety 

Warning------------------------------------------------------------------------------------------------- 1

2

Characteristics------------------------------------------------------------------------------------------------- 2

3

Technical 

specifications-------------------------------------------------------------------------------------- 3

4

Instrument 

Layout--------------------------------------------------------------------------------------------- 9

5

Key 

function---------------------------------------------------------------------------------------------------- 13

6

Preparation 

before 

measurement------------------------------------------------------------------------ 16

7

Measurement 

function 

of 

electric 

energy--------------------------------------------------------------- 16

8

Harmonic 

measurement 

function------------------------------------------------------------------------- 37

9

Setup 

mode---------------------------------------------------------------------------------------------------- 45

10

Battery 

replacement 

---------------------------------------------------------------------------------------- 47

11

Maintenance--------------------------------------------------------------------------------------------------- 48