9

10

User's Manual--------------------------------------------------------------1 manual
Alkaline battery------------------------------------------------------------ 4 batteries
(Red, black, blue and yellow) testing wires ------------------------4 wires
(Red, black, blue and yellow)------------------------------------------ 4 wires
Tool kit and colorful box------------------------------------------------- 1 respectively
USB communication interface wire ----------------------------------1 (only for UT242/243)
Optic disk -------------------------------------------------------------------1 (only for UT242/243)

Fittings:

4

 Instrument Layout

4-1 Front elevation of instrument (Figure 1)

Figure 1 

Red 

black 

blue  

yellow

1. Current clamp mouth    
2. Trigger    
3. POWER key     
4. 

 key   

5. MENU key (electric energy function selection key)      
6. LOAD key  
7. SELECT key (phase location selection key and total power measurement selection key)    
8. 

 key    

9. V3 end (the 3rd phase location of measurement input end)  
10. V2 end (the 2nd phase location of measurement input end) 
11. V1 end (the 1st phase location of measurement input end)  
12. COM end: public end  
13. MAX/MIN key   
14. CLEAR/

 key (summation key)   

15. SAVE key   
16. HARM key (harmonic function selection key)  
17. UT241: HOLD key;UT242/243:LIGHT/HOLD key   
18. UT241: LIGHT key; UT242/243:USB key  
19. LCD   20. (Red, black, blue and yellow) testing pens

UT241/242/243 OPERATING MANUAL 

UT241/242/243 OPERATING MANUAL