Testboy TV 455VDE-tester Testboy TV 455 Manuale Utente
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Testboy TV 455
TESTBOY TV 450
Start-up guide
4
1 Start-up guide
1.1 Safety and operational considerations
Warnings
This document is not a supplement to the Instruction manual!
Before using the instrument read the instruction manual carefully otherwise use of
the instrument may be dangerous for the operator, for the instrument or for
equipment under test!
the instrument may be dangerous for the operator, for the instrument or for
equipment under test!
Symbol on the instrument means »Read the Instruction manual with special
care«. The symbol requires an action!
If the test equipment is used in a manner not specified in instruction manual the
protection provided by the equipment may be impaired!
protection provided by the equipment may be impaired!
Do not use the instrument or any of the accessories if any damage is noticed!
In case a fuse has blown follow the instructions in instruction manual to replace it!
Consider all generally known precautions in order to avoid risk of electric shock
while dealing with hazardous voltages!
while dealing with hazardous voltages!
Do not use the instrument in supply systems with voltages higher than 550 V!
Service intervention or adjustment procedure is only authorized to be carried out
by competent people, authorized and trained by TESTBOY!
by competent people, authorized and trained by TESTBOY!
Use only standard or optional test accessories supplied by your distributor!
Consider that older and some of new optional test accessories could be
compatible with this instrument but only meet a CAT III / 300 V overvoltage
category! If this is the case, this implies that the maximum voltage allowed
between test terminals and ground is 300 V!
compatible with this instrument but only meet a CAT III / 300 V overvoltage
category! If this is the case, this implies that the maximum voltage allowed
between test terminals and ground is 300 V!
The instrument is supplied with rechargeable Ni-MH battery cells. These battery
cells should only be replaced with the same type (as defined on the battery
placement label and in the instruction manual). Do not use standard alkaline
battery cells while the power supply adapter is connected otherwise they may
explode!
cells should only be replaced with the same type (as defined on the battery
placement label and in the instruction manual). Do not use standard alkaline
battery cells while the power supply adapter is connected otherwise they may
explode!
Hazardous voltages can exist inside the instrument. Disconnect all test leads,
remove the power supply cable and switch off the instrument before removing the
battery compartment cover. All normal safety precautions must be taken in order to
avoid the risk of electric shock when working on electrical installations!
remove the power supply cable and switch off the instrument before removing the
battery compartment cover. All normal safety precautions must be taken in order to
avoid the risk of electric shock when working on electrical installations!