DRS-202M

1. Specifications:

Meter type

DRS-202M (LCD display)

Digit length

5+2

Nominal voltage(Un)

110V/127V/133V AC

230/240V AC(option)

Operational voltage

(-15% ～ +10%)Un

Insulation capabilities:

- AC voltage withstand

2KV for 1 minute

- Impulse voltage withstand

6KV – 1.2?S waveform

Rated current (Ib)

10A

Maximum rated current (Imax)

60A/80A/100A(option)

Operational current range

0.4% Ib- Imax

Over current withstand

30Imax for 0.01s

Operational frequency range

50Hz ±10%

Internal power consumption

≤2W / 10VA

Test output flash rate (RED LED)

1600imp/kWh

Pulse output rate

1600imp/kWh

Data communication port

RS485 and far infrared

Consumption indicator (RED LED)

Flashing at load running

Data store

The data can be stored for more than25 years without power

3.RS485 communication specifications:

Bus type

RS485

protocol

MODBUS RTU with 16 bit CRC

baud rate

1200,2400,4800,9600

Address range

0-255 user settable

Bus Loading

64 meters per bus

Rage

1000m

4. Infrared communication specifications:

infrared wavelengths

900- 1000nm

baud rate

1200bps

communication distance

5m

communication angle

-15°~+15°

protocol

MODBUS RTU with 16 bit CRC

5.Tariff specifications:

Tariff numbe

2

Time segments

8

Clock accuracy

≤0.5S (every 24 hours)

Battery Voltage

3.6V DC, ≥1.2Ah