... meets standards of IEC62053, IEC1107, IEC687 & IEC1268. Three-phase Multi-function Static Energy Meter1. Electrical performance:Active: 0.5s, 0.5 ... , section number: 10, measurement range: 0~999999.99KWh, 0~999999.99 kvarh, communication baudrate: RS485 1200bps~9600bps, RS485 1200bps, infrared: 1200bps ... -1997.5. Life: 10 years. DTSD3/DSSD2 Three-phase Multi-function Static Energy Meter