6
Button
Operate instruments. “↑↓” is the "up and down" key, select to move or modify
data; “←→” is the "left and right" key, select to move or modify data; "Enter"
key, confirm the current operation; "Cancel" key, abandon the current
operation.
Function
module
Instructions
Power
switch
The power switch of the whole machine is switched to the open position
when it is switched on. Switch to the close position when it is switched off.
RS 232
interface
Connect external printer.
Charging
interface
Use instrument charger to recharge.
USB
interface
External USB disk is used to store test data, please use FAT or FAT32
format U disk; in the storage process, it is strictly prohibited to dial out the
USB disk.
X.Operation Instructions
Single phase transformer or single phase PT test wiring
The yellow and green test clamps of the red test line at the high-voltage test end
are connected to the high-voltage end of the tested product, and the yellow and
green test clamps of the black test line at the low-voltage test end are connected to
the low-voltage end of the tested product.
Single phase CT test wiring
The yellow and green test clamps of the red test line at the high voltage test end
are connected to the second side of the tested product, and the yellow and
green test clamps of the black test line at the low voltage test end are connected to
the first side of the tested product.
Test wiring for three phase transformer
The yellow, green and red test clamps of the red test line at the high-voltage test
end connect the A, B and C phases at the high-voltage end of the tested product;
the yellow, green and red test clamps of the black test line at the low-voltage test end
connect the a, B and C phases at the low-voltage end of the tested product.
Intelligent power management
When the instrument is not operated for a long time, the LCD backlight is
automatically dimmed to save power; the instrument has the function of charging
