Single Phase Prepayment Energy Meter(DDSY283)

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Holley Metering Limited

No.181 Wuchang Avenue, Yuhang District, Hangzhou 310023, China

86-571-89300666, 89300575, +66-2-8676971, 8676972, 8676973-301, +91-40-27177151, 27177491-102, +54-11-47633370, 47633470, 47633570
+66-899237581

Larger photo of Single Phase Prepayment Energy Meter(DDSY283)

Single Phase Prepayment Energy Meter(DDSY283)


company	Holley Metering Limited
Categories	Energy Meters
Update	2011-04-08
Original Region	China
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Single Phase Prepayment Energy Meter(DDSY283)

Work principle
There are two basic function modules in the meter separately named the energy metering module and the MPU controller module. The energy-metering module adopts well-selected special integrated circuits as will send the pulse frequency to the MPU to accumulate the consumption of the electricity.
The MPU controller module transfers message between the prepaid card and the port of card to realize the prepaid metering function and other appointed function.

The working principle of DDSY283 that has basic functions is as follows:
Fig 1: Working principle (Skim)
3. Basic functions
3. 1. Bi-directional active energy measurement
3. 2. LED display or LCD display
3. 3. Pulse output with optical-coupling isolated
3. 4. Over-load alarm
3. 5. Precaution alarm
3. 6. Power down alarm
3. 7. Purchase reminding

Technical Data
Applicable Standard IEC 61036-2000
Service Lifetime 10 years
Accuracy Class Class1, Class2
Working Temperature -30oC~+65 oC
Working Voltage Range 0.7~1.2Un
Power Loss Less than 2W or 10VA

Specifications
Rated Voltage 220V, 230V
Reference Frequency 50Hz
Class: Class 1, Class 2
Basic Current (Maximum Current)A
1.5(6) 5(20)10(40) 20(80)
2.5(10) 5(30)15(60) 30(100)
Or design other specified meter

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