Huazheng HZGC3521 Series, Руководство пользователя, Страница: 36 / 95

--- --- 35
Three-phase energy meter field calibrator
2.9 Charging
There are three ways to recharge the instrument, that is, the voltage terminal charging cable
charges the instrument battery, the field calibration voltage charges the instrument battery, and the
adapter charges the instrument battery;
When the instrument battery is charged, it takes about 8 hours to charge the battery fully; the
full battery status can maintain about 4 hours of uninterrupted work of the instrument.
2.91 Terminal charging cable
1. The red terminal of the voltage terminal charging cable connects to any voltage terminal of
A, B, C phase of the instrument, and the black line connects to the COM port on the
instrument;
2. Press
【 SYST 】
key to open the instrument, and then press 4 to enter the charge
management interface;
3. The terminal charging cable connects to the power supply, and the instrument charge
management interface will first show battery voltage and charge current value.
As shown below: