Testboy TV 455VDE-tester Testboy TV 455 Manuale Utente

 
Congratulations on your purchase of the TESTBOY instrument and its accessories from 
TESTBOY. The instrument was designed on a basis of rich experience, acquired 
through many years of dealing with electric installation test equipment. 
 
The TESTBOY instrument is professional, multifunctional, hand-held test instrument 
intended to perform all the measurements required in order for a total inspection of 
electrical installations in buildings. The following measurements and tests can be 
performed: 
 
In the models TESTBOY TV 450 and TESTBOY TV 450B 

 

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Voltage and frequency, 

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Continuity tests, 

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Insulation resistance tests, 

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RCD testing, 

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Fault loop / RCD trip-lock impedance measurements, 

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Line impedance, 

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Phase sequence, 

 
Additionally, model TESTBOY TV 450 (Type B) includes: 

 

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Earthing resistance tests 

 
 
The graphic display with backlight offers easy reading of results, indications, 
measurement parameters and messages. Two LED Pass/Fail indicators are placed at 
the sides of the LCD.  
The operation of the instrument is designed to be as simple and clear as possible and 
no special training (except for the reading this instruction manual) is required in order to 
begin using the instrument. 
In order for operator to be familiar enough with performing measurements in general 
and their typical applications it is advisable to read TESTBOY handbook Guide for 
testing and verification of low voltage installations. 
 
The instrument is equipped with the entire necessary accessory for comfortable testing.