DDSYF127 Single phase multi-rate prepaid meter

Single phase multi-rate prepaid meter is designed for house application.Applying microelectronic technology in energy measurement, this meter complies with GB/T17215-2002, GB/T18460-2001 and IEC 62053-21 standard. The meter adopts magnetic-shielded, sealed dustproof structure, and is flame-resistant and anti-aging. The meter collect, process and store data by advanced SCM (single-chip Microcomputer) processing system. It features anti-electromagnetic interference, low power consumption, high precision, anti-tampering, long life. We provide customers with full-functional vending and management software system. Main function: * Purchase before use * Transfer account; cancel account (especially practical for commercial application) * Audible & visible alarm when low credit * Anti-tamper and anti-fraud * Cut off power supply when overloaded * Instantaneous load measurement *Malfunction self-detection (include load switch, EEPROM, IC card data) *Large-capacity meter reading (maximum 169 meters' consumption data can be read by one special card) *LED display+counter wheel display/LCD display (optional) * Pulse output/RS485 (optional) Technical data: Standard: comply with GB/T17215-2002, GB/T18460-2001, IEC 62053-21 Accuracy: Class 1.0, 2.0 Reference voltage: 120V, 220v, 240v Reference frequency: 50Hz, 60Hz Current:1.5(6)A,2.5(10)A,5(20)A,10(40)A,15(60)A,20(80)A Operate voltage range: 0.8Un 1.5Un Operate temperature range:-25 +55 Circuit power consumption: voltage circuit power consumption<=3W/12VA, Current circuit power consumption <=4VA