Справочник Пользователя для Beha Amprobe GT-800 PRO KITVDE-tester 4472081

GT-600/GT-800 Instruction Manual 

20 

 

 
 

Pass/fail limit value calculation: 

 

Cross section A 

Cable length L 

Limit value 

 1.5 mm

2

 

 5 m 

0.3 

 

 5 ... 12.5 m 

0.4 

 

 12.5 ... 20 m 

0.5 

 

 20 ... 27.5 m 

0.6 

 

 27.5 ... 35 m 

0.7 

 

 35 ... 42.5 m 

0.8 

 

 42.5 ... 50 m 

0.9 

 

 50 m 

1.0 

 

2.5 ... 50 mm

2

 

1 ... 50 m (res. 0.5 m)

R

LIM

 = 

.L/A 

 
Where: 
 ...  0.01786 mm

2

/m (specific resistance of Cu) 

L  ..  cable length in m 
A ..  cross section in mm

2

 

 
Specific information that can be shown on the display: 

 

Information displayed 

Description 

TEST LEAD 

NOT COMPENSATED 

Test lead is not compensated (no “C” mark on 
the display)! It is recommended to 
compensate the test lead. 

>5

, NOT COMPENSATED 

Compensation was not successfully done due 
to too high compensation value (>5.00 

)! 

COMP? 

Test lead is wrong compensated (negative R

PE

 

result 

0.05 ). Compensate the test lead 

again. 

 

 EXTERNAL VOLTAGE 

External voltage is applied to one or more 
test terminals, see the explanation in section 
“Pre-Tests and Protection, Functions and 
Messages”. 

 

 USE PROBE 1 

Test lead is connected to PROBE 2. Reconnect 
it to PROBE 1. 

>11.00

 

X

 

R

PE

 value higher than 11.00 

 (over-range), 

possibly because of open test lead. 

 
  In order to save displayed measurement result, press the “SAVE” function 

key (F5) twice, for further instructions see the “Memorizing example” 
section.