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BS-plit-single

Single Phase Split Keypad Prepaid Electricity Meter

The DDSY168 is a dual power source measuring, split type prepayment electricity meter, completed in BS footprint housing working with a separate display and keypad unit (CIU). It is an ideal revenue protection metering tool that can measure grid power and any other alternative power with no need to add extra components. In dual prepaid mode, the meter can auto decrypt the recharge code from different source and top up into separate balance.

Main Features

  •    1, 20 digit (Standard Transfer Specification) STS encryption
  •    2, Detection of significant reverse energy (SRE)
  •    3, IEC62056-21 compliant optical & RS485 port allowing for easy data interrogation
  •    4, Disconnects on overload and no credit
  •    5, Operate in both prepayment and credit mode hot swap
  •    6, Programmable load limit and low credit warning
  •    7, Detection and record tamper event such as opening cover, reverse connection, black-out
  •  

Split Configuration for Increased Revenue Protection

   1, The meter consists of two parts, the MCU (Metering & Control Unit) and UIU (User Interface Unit). The MCU and UIU is linked via           2, galvanically-isolated 2-wire communication cable. Power line carrier (PLC) and Radio Frequency (RF) communication module is also            available on request.

   3, The UIU is installed within consumer’s home, while MCU is installed in a meter cabinet away from consumers.

 

AMR/AMI Smart Metering Function (on request)

   1, Easy connection to User Interface Unit (UIU) for split type applications

   2, PLC/ RF / GPRS communication with a head-end AMR/AMI server

   3, Time of Use (TOU) , multi-tariff, holiday setting.

   4, Advanced load control and disconnection features

Electrical parameters:

Voltage

Nominal voltage Un

230V

Limited voltage

70%~120%Un

Frequency

 

Nominal frequency fn

50-60Hz

tolerance

5%

Current

 

Basic current(Ib)

5A

Maximum current(Imax)

80A

Starting current(Ist)

20mA

Active energy constant

1600imp/kWh

Measurement Accuracy

 

Active energy to IEC62053‐21

Class1.0

Burden

 

Voltage circuit

<2W  <8VA

Current circuit

<1VA

Temperature range

 

Operation meter

-25℃ to+70℃

Storage

-40℃ to+85℃

 

Insulation

Insulation level

4kV rms 1min

Voltage impulse withstand

8kV 1.2/50 μs

Insulation System Classification

Protective Class II

Electro Magnetic Compatibility

Electrostatic discharges

 

Contact discharge

8kV

Air discharge

16kV

Electromagnetic RF fields

 

27MHz to 500MHz typical

10V/m

100kHz to 1GHz typical

30V/m

Fast transient burst test

4kV

Mechanical requirements

 

Meter shell Protection Rate

IP54

WELCOME TO CALIN METER

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