64
A
Leakage Current Tester 92-4A, -4D, -4E, -4G
TESTER INSIDE
I.ii
3-phase device 92-4G
Meas. amplifier Power supply Micro controller unit Power input
Illustr. I.2:
Mechanical design standard device. Special
devices (Z... and ZM...) may be different.
Measuring
circuit
- complex standard-compliant network for measuring
leakage current.
Measuring amplifier - boosting and preparing of the measurement signal
(located below the measuring circuits).
Micro
controller unit
- control of the test run
Power input - 3-phase power input for supply the test object.
Meas. circuit