What conditions need to be met for ultrasonic water meter battery power supply?
Ultrasonic water meter is an electronic remote water meter. At present, the power supply methods of the entire electronic remote water meter mainly include external power supply methods, non-replaceable battery power supply methods, and replaceable battery power supply methods. Among them, the ultrasonic water meter uses a replaceable battery power supply mode, and the power supply design needs to meet the following points:
1. When the power supply is a replaceable battery, clear regulations should be made on the replacement of the battery;
2. The battery replacement date and battery specifications should be marked on the ultrasonic water meter, and conditions should be provided for marking the next replacement date after the battery is replaced;
3. The power interruption when replacing the battery should not affect other performance and parameters of the ultrasonic water meter. This requirement does not necessarily guarantee that the ultrasonic water meter can continue to record water consumption when the battery is replaced;
4. The battery can be replaced without damaging the legal metrology seal.