Checking the remaining power of a prepaid energy meter is actually very intuitive, mainly through the following methods:1. Directly observe the LCD display screenThe vast majority of prepaid energy meters are equipped with LCD displays, which will cyclically display key information, including total

A three-phase cost controlled smart electrical meter is a power metering device with functions such as prepayment and remote control. To distinguish three-phase cost controlled smart electrical meters, the following aspects can be taken into account:1、 Appearance featuresDisplay screen: Three phase

When the prepaid energy meter is abnormal, the following steps can be taken to handle it:1、 Identify abnormal phenomenaFirstly, it is necessary to clarify any abnormal phenomena that may occur with prepaid energy meters. Common anomalies include no display on the electricity meter, incorrect codes d

If a three-phase four wire smart energy meter is not connected to the neutral wire, it may cause the following situations:Voltage anomaly: Smart energy meters rely on a three-phase four wire power supply, with the neutral wire used to provide stable phase voltage (220V). If the neutral wire is not c