Complaint
Rated frequency | 50 Hz | |||||
Frequency usage range | 95% fn~105% fn | |||||
Rated voltage Un | 220V/230V/240V | |||||
Work voltage range | 0.7Un~1.3Un | |||||
Limitation Work voltage range | 0Un~1.90Un | |||||
Accuracy class | 1.0 | |||||
Meter constant | 1600 imp/kWh | |||||
Current parameter energy meter |
of | Maximum current | 60A | |||
limitation current of Energy meter measuring technology (accuracy won't be decreased) |
90A | |||||
Energy meter (0.4%Ib) | starting | current | 20mA | |||
Common current specification Ib | 5A | |||||
Creeping | Have the circuit which used to eliminate the creeping of energy meter | |||||
Power consumption of voltage line | ≤1W/1.2VA | |||||
Power consumption of current line | ≤0.2VA | |||||
Display method | LCD | |||||
Communication method | GPRS module 2400bps | |||||
RS485 communication 300bps transfer to 2400bps | ||||||
Infrared communication transfer to 2400bps | 300bps | |||||
Normal work temperature range | -25~+55 ºC | |||||
Limitation work temperature rang | -40~+70 ºC | |||||
Protection level | IP51 | |||||
| twisted pair line | |||||
Annual mean relative humidity | ≤75% | |||||
Designed life of product | > 15 years | |||||
External size:length ×width× height =203.7mm X 129.4mm X 80.2mm
DDZY668-STS Single-phase Electronic Multi-tariff prepayment Energy Meter is an active meter with the data exchange method of numeric medium. The user can load the amount which purchase in advance, make the statement by amount. This meter was equipped with numeric keyboard interface used to active energy metering and prepayment control. Besides, this meter also have infrared communication, RS485 or RS 232 communication, metering components, real-time-clock device, load controlling switch and other auxiliary equipment.
Established on Nov. 19th, 1999, our company is one of the largest electric energy meter R&D and manufacturing enterprises in China with the title of hi-tech Enterprise of Guangdong Province and Hi-tech Manufacturing Enterprise of Zhuhai City . We devote ourselves to professional research, production and sales of all series of electronic meters, concentrators, intelligent terminals, prepaid vending management system, remote automatic meter reading system, power marketing technology support system and related electronic automation system, to provide overall solution for power utility to realize automatic collection and payment of fees, analysis and processing, monitoring grid quality and others powerful service functions. Therefore, the automation and intelligence of the whole power grid management are realized.
