DDSY283 integrated single phase keypad prepayment meter is the latest one-way prepayment meter according to IEC 62053-21 and IEC 62055-31/41/51. The data transmitting is according to Standard Transfer Specification (STS), the meter case is IP54 enable it suitable for tropical using. Furthermore, the meter is wide current measurement designing, and the maximum current can be 100(A) when the basic current Ib is 5(A). The meter also has terminal cover opening anti-tamer function to ensure the security of the meter.
Single Phase Two Wire
Class B (EN 50470-3) or Class 1 (IEC 62053-21)
Basic current Ib
5A, 10A, 15A, 20A
Maximum current Imax
40A, 60A, 80A, 100A
Rated voltage Un
operating voltage range
1 Main contactor(100A);
Battery can be replaced
Current circuit power consumption<=2.2VA
Operating temperature range
--25℃ ~ +70℃
-40℃ ~ +85℃
<=0.5s/day (normal temperature)
10 years battery operation life
4kV, 50Hz, 1 minute
Immunity to short-circuit current
Immunity to electrical fast
4 kV (IEC 61000-4-4)
1 circuit optical interface;
3X4 Membrane keypad
Compatible IEC62055-51, STS Standard
Import/Export active energy
Instantaneous value measurement
2. Anti-tamper Function
Meter Cover open detection and record
Meter terminal open detection and record
Current reverse detection
Large magnetic detection
Anti-tamper detection event
Power on/off event
local keypad credit charging, through 20-digit token.
Protocol Compatible to IEC62055-51, STS Standard
1 Optical interface/1 RS485 or PLC(Option);
Protocol compatible to (Local)IEC62056-21 and (Remote)DLMS HDLC or IEC62056-21.
The Company continuously focused on developing its clients’ database and penetrated new market segments by implementing new marketing plans and tactics emphasizing on the following:
· Increase in its market share and differentiation from competitors;
· Maintaining high quality supply according to international standards;
· Employing a professional and experienced management team;
· Adopting a competitive pricing strategy;
· Increasing its clients’ database through a focused and aggressive sales force.
why choose us?
1.Price and Quality.With Competitive Price and High Quqlity
2.Delivery time: Within 35 days after receipt of L/C or T/T
3.Service:We will make sure the production,transportation and documents proceed smoothly,and keep you always informed.