Testboy TV 455VDE-tester Testboy TV 455 Manuel D’Utilisation
Codes de produits
Testboy TV 455
TESTBOY TV 450
Start-up guide
8
Note:
Only use the power supply adapter delivered from manufacturer or distributor of the test
equipment to avoid possible fire or electric shock!
Only use the power supply adapter delivered from manufacturer or distributor of the test
equipment to avoid possible fire or electric shock!
1.6 Maintenance
1.6.1 Replacing fuses
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!
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!
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.
fuse into the instrument can impair the operator’s safety and/or damage the
instrument.