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IC Card Prepaid Energy Meter Mono Phase Smart Prepayment Electric Meter Pulse Output
1. Introduction:
Traditional prepaid electric meter is normally working by the means of Multi-Card One Meter, electricity consumption measurement or No Card to deduct the purchased electricity (unit: kWh ) after being inserted into IC Card. However, the price fluctuation of electricity market which cannot reflect in the purchased electricity will increase the losses of Power Company.
For this purpose, a new designed prepaid electric meter Model No. DDSY150 D/F/A issued by Radarking adopts the electricity fee ( Unit: CNY) way, that is, when the fee is transmitted into through Client IC Card and the meter will deduct the price of electricity ( 0.1kWh as base ) according to the unit price, which is set on the IC Card to be transferred into the meter. When the electricity rate changes, the unit price of electricity in the meter will also be changed through the communication medium IC card that the modified unit price are written into from the vending system.
2. Main Technical Parameters:
Rated Current | 5(20),5(30),10(40),15(60),20(80),30(100) |
Rated voltage | 220 or 240 |
Rated frequency | 50 or 60 |
Accuracy | Class 1 or Class 2 |
item | technical parameter |
Precision grade | Active power 1.0 grade,2.0grade |
Reference voltage(Un) | 220V |
Reference current(In) | 5(40)A,10(60)A,20(100)A |
Reference frequency | 50Hz |
Working voltage range | stipulated working voltage range:0.9Un~1.1Un |
Expanded working voltage range:0.8Un~1.2Un | |
Working temperature range | stipulated working voltage range:-25ºC ~+55ºC |
limited working voltage range:-40ºC ~+70ºC | |
Storage and transportation limited temperature range:-40ºC ~+70ºC | |
Power consumption | Voltage circuit:≤2W/5VA;current circuit:≤1VA |
3. Main Features:
Metering active electric energy, without the need of tuning for long-term work;
Active three-phase electric power metering, no subject to adjust in
terms of long working;
Indicative function for phase loss or voltage indication;
The signal will display after it test;
Each user(meter) responds to a card, well protect from forgery;
Once the remanining electric power quality is approaching the
alarming power quality, the digital tube should be lighted to
remind user of timely purchasing;
4. Display and Appreance:
Features
1. Product's Type-- One Card One Meter, Multi Cards One Meter, One
Card Multi Meters, Special Load Identification.
2. Electric Power Measurement-- Positive active power and reverse active power which can be measured.
3. Prepayment-- IC Card prepaid, electricity sector receive energy
charge in advance through selling IC Card. User pay first.
4. Ladder Billing-- Two schemes for electricity price. It can
automatic changeover when at promissory time or reach certain
value.
5. Manner of Working-- Warning/Overdraw Manner. Warming/Overdraw
electricity, maximum accumulations can be set.
6. Protections-- Over Voltage, Over Current, Over Load Protections.
7. Display Method-- LED or LCD display the rest
electricity(charge), cumulative electricity consumption, current
power in alternant way.
8. Reliable Design-- Perfect power source and electromagnetism
compatible design, which are suitable to the strong
electromagnetism disturbance and big occasion of power source
fluctuation.
9. Cover for Meter-- Fully sealed dustproof and waterproof design,
material of cover has excellent flame retardant and anti-corrosion,
anti-aging properties.
10. Interface Protection-- Perfect interface protection circuit,
which keeps the meter from all kinds of vicious attack, no damaging
for meter, no lose for data, and no delay for active.
11. Communication Mode-- Infrared, RS485 interface or carrier
communication module (Optional).
12. Power Supply System-- Three-phase power supply or it can work
while just one phase has electricity if three phase four wires.