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Home - Products - Single/Three Phase Electronic Prepayment Wattmeter
Product Name: Single Phase Electronic Prepayment Active Wattmeter(IR Controlled)
Product Model: DDSY1000
Introduction:

With advanced international meter technology and process, IR-control electronic prepayment watt meter is the fruit of a Sino-German technical cooperation and the new generation of high-tech energy-saving products. It is an effective way to achieve modernization and informationization of the management. The product has become the industries most competitive of the leading products.


Functions and features:

 

High-performance metering

Using a metering chip with world-class technology, accurate metering, high sensitivity, wide range, good linearity, the reverse power accumulated by the forward power, excellent stability and reliability.

Prepayment function

 

Long-distance infrared communication

Metering data is transmitted via infrared transmission, transmitting distance is up to 4 meters. It avoids the danger arising from of users’ close contact with meter. The problem that meter’s installation position is limited is also solved.

IR remote control card

Fast and convenient operating with IR remote-control card

One card for a meter

One card for a meter. Ensure the safety of metering data

Auto alarm for a prompt recharge

Digital display and power-off alarm will call users’ attention to recharge promptly when the electricity is low.

Auto-alarm limit can be set up.

Auto-alarm limit can be set up with users’ situation, by which electricity utilization will not be effected.

Auto-identification to an overload

The limit parameter of Load power can be set to identify the overload.

Load limit

When the load exceeds the power limit, auto power-off will occur to avoid overload of electricity.

Auto-reading occurs with the recharge

Remote-control card automatically read the data of the meter during the recharge, by which the data will be read into managing computer.

Replacement of the card

If IR remote control card is lost before the electricity is charged into meter. An supplement of the card can be made and the data in the card will not be effected. The lost card will be ineffective with the supplement.

Sound and light indication

Indicating light and sound indication are provided in the operation. It is convenient for operator.

Automatically and circularly digital display

Various parameters are displayed automatically and circularly on the nixie tube screen.

Minus metering

An overdrawn electricity will be metered with minus value

Dynamic encryption

The data of charge is enciphered dynamically to ensure its safety.

Sealed case

The case of the meter is sealed. Attack to meters and electricity stealing can be prevented effectively.

EMC design

EMC design .Strong capacity of resisting disturbance.

 

Emergency overdraft

The function of Emergency overdraft allows users overdrawn electricity at an emergency. Emergency overdraft will be withheld after recharge. The system is very stable.

Centralized refund, continuous use

Centralized batch refund or account-opening can be finished fast with refund-setting card. It cuts down considerably on management’s workload

Dual display  

 

Register and nixie tube dually display the metering data. It is convenient for checking.

 

Main technical specifications:

Reference voltage: 220VAC

Reference current: 5 (20) A,  5 (30) A,  10 (40) A,  10 (60) A,  20 (80) A,

Frequency: 50Hz

Accuracy: level1, level 2

Starting current: <=0.4% 1b

Power consumption: <0.8w

Meter constant: 3200 imp / kW · h, 1600imp/kW · h

Creeping: anti-creeping logic circuit

Temperature: -25~75

Humidity: <85% RH, non-condensing

 

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