Testboy TV 455VDE-tester Testboy TV 455 Manuale Utente

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Connect test cable to the instrument. 

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Connect test leads to the to the item to be tested (see 

figures 5.33 and 5.34). 

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Touch PE test probe (the TEST key) for at least one second. 

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If PE terminal is connected to phase voltage the warning message is displayed, 
instrument buzzer is activated, and further measurements are disabled in Z-
LOOP and RCD functions. 

 
Warning:

 

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If dangerous voltage is detected on the tested PE terminal, immediately stop all 
measurements, find and remove the fault! 

 
Notes:

 

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In the SETTINGS and VOLTAGE TRMS menus the PE terminal is not tested. 

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PE test terminal does not operate in case the operator’s body is completely 
insulated from floor or walls!