DTSF309 (accuracy 1.0) three-phase four-wire multi-rate watt-hour meter is a full electronic energy meter, for the reference frequency of 50HZ three-phase four-wire system were measured tip, peak, Pinggu and total electricity.
Products meet GB / T15284 and GB / T17215 standards.
1、the clock error: less than 0.5s
2、power-down state to maintain the current clock 8Ma
3、to allow continuous power outage time: 3 years
4、time switching error: less than 1Ms
5、infrared communication distance: 5m
6、RS-485 communication distance: 1000m
7、to allow the number of RS-485 terminals: 1-32 months