Beha Amprobe GT-800 PRO KITVDE-tester 4472081 Manuel D’Utilisation

GT-600/GT-800 Instruction Manual 

64 

 

 

Pre-Tests and Protection 

 

Function Tests, 

protections 

Notes

Switching 
ON the 
instrument 

-

 Grounding of mains 

plug PE terminal 

Pre-test.
If the PE terminal is not sufficiently grounded, then “PE 
DISCONNECTED! TURN OFF NOW!” message will be 
displayed and any further operation will be disabled. 
Switch off the tester immediately, danger! 

-

 Fuse F2

Pre-test.
If the F2 fuse is blown, then “FUSE 2!” message will be 
displayed and any further operation will be disabled. 

R

PE

 

-

 U

EXT PE/PROBE1

 

3.75 V  Pre-test.

If an external voltage higher than 3.75 V is detected 
before starting the test, then “EXTERNAL VOLTAGE!” 
message will be displayed and further R

PE

 tests will be 

disabled.  

-

 I

SUB INT

 

0.15 mA 

Path pre-test (self-test).
If the instrument’s measurement path is interrupted e.g. 
due to blown internal fuse, then “ERROR 1” message 
will be displayed and further tests will be disabled. 

-

 Fuse F3

Pre-test and during the test.
If the F3 fuse is blown, then “FUSE 3!” message will be 
displayed and further R

PE

 tests will be disabled. 

-

 U

EXT PROBE1/GND 

50 V 

-

 U

EXT PROBE2/GND 

50 V 

Pre-test and during the test.
If an external voltage higher than 50 V is detected 
before starting the R

PE

 test or during it, then “EXTERNAL 

VOLTAGE!” message will be displayed and further R

PE

 

tests will be disabled. 

-

 U

EXT PE/PROBE1

 

7.60 V  During the test.

If an external voltage higher than 7.6 V is detected 
during the R

PE 

test, then the test will be stopped and 

“EXTERNAL VOLTAGE!” will be displayed. 

R

ISO

 

-

 U

LN/PE

 

50 V 

Pre-test.
If an external voltage higher than 50 V is detected 
before starting the R

ISO

 test, then “EXTERNAL 

VOLTAGE” message will be displayed and further R

ISO

 

tests will be disabled. 

-

 I

SUB INT

 

0.15 mA 

Path pre-test (self-test).
If the instrument’s measurement path is interrupted e.g. 
due to blown internal fuse, then “ERROR 1” message 
will be displayed and further tests will be disabled. 

-

 U

EXT PROBE1/GND 

50 V 

-

 U

EXT PROBE2/GND 

50 V 

-

 U

EXT PE/GND 

50 V 

-

 U

EXT LN/GND 

50 V 

Pre-test.
If an external voltage higher than 50 V is detected 
before starting the R

ISO

 test, then “EXTERNAL 

VOLTAGE” message will be displayed and further R

ISO

 

tests will be disabled. 

I

SUB

 

-

 I

SUB INT

 

0.15 mA 

Path pre-test (self-test).
If the instrument’s measurement path is interrupted e.g. 
due to blown internal fuse, then “ERROR 1” message 
will be displayed and further tests will be disabled. 

-

 U

EXT PROBE1/GND 

50 V 

-

 U

EXT PROBE2/GND 

50 V 

-

 U

EXT PE/GND 

50 V 

Pre-test.
If an external voltage higher than 50 V is detected 
before starting the I

SUB

 test, then “EXTERNAL VOLTAGE” 

message will be displayed and further I

SUB

 tests will be 

disabled.