Testboy TV 455VDE-tester Testboy TV 455 Manuale Utente

 
The Insulation resistance measurement is performed in order to ensure safety against 
electric shock through insulation. It is covered by the EN 61557-2 standard. Typical 
applications are: 

‰

 

Insulation resistance between conductors of installation, 

‰

 

Insulation resistance of non-conductive rooms (walls and floors), 

‰

 

Insulation resistance of ground cables, 

‰

 

Resistance of semi-conductive (antistatic) floors. 

 
 
 
See chapter 4.1 Function selection for instructions on 
key functionality.  

 

Uiso 

Test voltage [50 V, 100 V, 250 V, 500 V, 1000 V] 

Limit 

Minimum insulation resistance [OFF, 0.01 M

Ω ÷ 200 MΩ] 

 
Test circuits for insulation resistance