Testboy TV 455VDE-tester Testboy TV 455 사용자 설명서

•  Main earthing arrangements, lightning systems, local earthings, etc can be verified 

with the earthing resistance test. 

 Set function 

 Set parameters and limits 

 

 

 

‰

 

High limit resistance Ω sets limit off, 1 Ω ÷ 5 
kΩ 

 Connection diagram 

 

 

 

 

 Press the 

 

 

 View results 

 

 
Displayed results: 
R: Earth resistance, 
Rp: Resistance of S (potential) probe, 
Rc: Resistance of H (current) probe.