The insulation resistance tester under UHV power can help many power workers conduct various power tests more conveniently.
After power failure, insert the DC plug of the charger into the instrument charging socket and connect the dedicated charging cable AC220V to the panel charging socket. After connecting the power, the instrument enters the charging management interface. After charging, it shows that the battery is sufficient. It is recommended to charge for at least 8 hours each time.
Do not fully discharge the battery. Frequent charging will maximize battery life.
1) Charging should be carried out in a dry environment.
2) When charging indoors, keep the environment well ventilated.
3) Charging must be carried out at a temperature of 0 ℃ -40 ℃.
4) If the battery is constantly in a charging state, it will only benefit the battery and will not cause damage to it.
5) The instrument should be charged every six months and 24 hours if it is idle for a long time. If the storage temperature is higher than 40 ℃, the charging frequency should be increased
