DDS228 Single-phase Two-wire Electronic Watt-hour Meter (RS485 communication,LCD display-DSM228CR)

APPLICATION

DSM228CR single phase two wire electronic active energy meter with RS485 communication,LCD display.

The meter is used to measure 50Hz or 60Hz active energy consumption from single phase two wire AC electricity net.

The meter adopts LSI (Large-scale Integration) and SMTmanufacturing technique,the key components and part all adopts long life type.

The meter has the features of good reliability, small volume, light weight, specious appearance, etc..

The meter is widely used in office buildings, shopping malls, residences, airports and metro,etc.

The meter has RS485 communication module, which is convenient to meter-reading.

FUNCTIONS AND FEATURES

♦Front board three fixed installation, the casing is made of high definition transparent plastic, and the terminal is made of bakelite which is moisture-resistant,fire-retardant,high temperature molded overall.

♦LCD 5+2 or 6+1 digits display,maye select cyclometer display.

♦Standard configuration one port of pulse output passive (polarity),may select increase a distant port of pulse output passive (nonpolarity),and contact with all kind of AMR system conveniently.

♦There is a port of RS485 data communication.Standard configuration communication agreement complying with standard DL/T645-1997,can also choose any other communication agreement.

♦Three LED instructions power supply state,signal of energy impulse and communication state.

♦Single direction measures single phase two wire active power consumption.It is nothing with direction of the flow of load current,complying with standard IEC62053-21,IEC62052-11.

♦Adopts high reliable and long-life electric components,hioverload, do not need to calibrate for long-term operation

♦Direct connect operation,there are two types wiring you may select.

♦Standard configuration short terminal cover,which is helpful to reduce installation space and make it convenient to install.May select extended terminal cover,which is for protecting the safety of using electricity.

TECHNICAL PARAMETERS

Accuracy class:Class 1.0,

Rated voltage(V):110, 120, 220, 230, 240, etc.

Rated current(A):1.5(6), 2.5(10), 5(20), 10(40)A,15(60), 20(80), 30(100),etc.

Operation voltage range:Un±20%

Starting current:0.4%Ib

Rated frequency:50Hz or 60Hz

Internal power consumption:Voltage circuit ≤1.0W 5VA; Current circuit ≤1VA(Ib)

Max.operation temperature:-40°C ~ +80°C

Max.storage temperature:-45°C ~ +85°C

Relative Humidity:≤85%

RS485 communication Baud rate: 1200bps (default)

Remote pulse output Pulse width: 80ms ± 20ms

Service life:More than 10 years

Dimension:168mm x 110mm x 62mm

Weight:Approx 650g