4
V.Panel Description and Wire Connection
Picture 2
Picture 2 shows the reference of single-phase tester, please refer to real object. Three-phase
tester is totally different.
GND
：
Connecting with land grounding.
Power socket
：
Input AC220V power, switch, fuse inside, light indicator inside switch.
Cable connecting point
：
There have four posts, outer side are two bigger posts connecting
with current cable, inner side are two smaller posts connecting with voltage (cable wire),
please connect cable matching with red / black / big / small indication, red is positive, black is
negative.
Three-phase connecting post is separately for A,B and C, A is yellow, B is green, C is red.
Touch color screen
：
800*480 pixel dot matrix touch color LCD screen, very visible under
sunshine and dark environment.
Thermal printer
：
Build-in a thermal printer in the tester. Thermal paper can be used for data
printing on one side, can not on the other side. Only around three months recording on the
thermal paper, can not used for long time storage.
RS232 port: RS232 is a serial communication interface port, normal configuration is RS232
(customized RS485). Communication protocol is Modbus-RTU
（
9600-N-1
），
please contact
us if need because it is not provided align with product shipment.
USB
：
It is removable U storage connecting port, but can not connect and communicate with
