Testboy TV 455VDE-tester Testboy TV 455 User Manual

 

Note: 
Only use the power supply adapter delivered from manufacturer or distributor of the test 
equipment to avoid possible fire or electric shock! 
 
 

 

 
Fuse 
M 0.315 A / 250 V, 20 x 5 mm 
This fuse protects internal circuitry of low-value resistance function if test probes are 
connected  to the mains supply voltage by mistake. 
 
Warnings: 

‰

 

Disconnect any test leads/accessories from the instrument and switch off the 
instrument before opening battery/fuse compartment cover. Hazardous voltage 
can exist inside the instrument! 

‰

 

In case a fuse has blown in the instrument, follow the instructions in instruction 
manual to replace it! 

‰

 

Replace any blown fuses with exactly the same type of fuse. Inserting the wrong 
fuse into the instrument can impair the operator’s safety and/or damage the 
instrument.