Input

Measuring display

Voltage

Range

180～250V

Accuracy

RMS Accuracy:0.2 Grades

Current

Range

5A、40A、60A and so on.

Accuracy

RMS measure（Current accuracy:0.2 Grades）

Frequency

45～60Hz

Power

Active power accuracy: 1 Grade；Reactive power accuracy：1 Grade

Energy

Active energy：1 Grade

Power

Power supply

Built-in power

Power dissipation

<2VA

Output programmable

Comm.

Output port

RS-485 port，two-wire system，+15kV ESD protection

Protocol

Standard MODBUS-RTU,DLT645-1997/2007

Data format

Settable；10-bit,1-bit start bit 0，8 data bits，1 bit stop bit 1；or 11-bit，odd、even or no parity settable through software；

Baud rate

BPS1200、2400、4800、9600、19.2K，Settable

Display

LCD segment display

Active energy pulse

Pulse width 80ms±20ms，Opto-isolated

Environment

Working

Working temp.：-10～60℃

Storage

Storage temp.：-30～80℃

RH

Relative humidity≤90%No condensation

EFT

4kV

Surge test

4kV