Digital Meter

Performance Characteristics

1.High precision measurement of single phase AC current or DC current

2.Provide the digital tube display, local data query

3.Programmable CT ratio

4.Support for RS-485 communication, Modbus-RTU protocol

5.Support for switch input, output, analog quantity transmitting output

6.Auxiliary power supply: AC/DC 85V~265V, AC220V, AC380V, DC48V, DC 24V

7.A variety of dimensions to meet the different requirements of the electric distribution box.

Technical Index

Accuracy of measurement

♦current level 0.5

Signal input

♦Connection mode: single phase two wires.

♦Rated current:AC1A,AC5A,DC20mA,DC1A,DC5A,DC75mV

♦Over load:1.2 times ( Continued ), 2 times/ second ( instantaneous )

♦Power consumption :Current :<0.4VA/ phase

♦Impedance:current: <20mΩ

♦The frequency: 45~65Hz or DC

Auxiliary power supply

♦Working range of AC/DC AC/DC 85V~265V, AC220V, AC380V, DC48V, DC 24V

♦Power consumption   <4VA

Function module

♦Communication interface:1 way RS-485 communication, Modbus-RTU protocol

♦Baud rate: 1200~9600bps, the default 2400bps

♦Switch input:2ways

♦The switch output:2ways( capacity: AC 250V/5A, DC 30V/5A)

♦Transmission output:1 way(analog output: 0/4~20mA or 0~5/10V)

Section of Specification

Function

.         Model No.

measurement

Extended function(optional)

Display

Hole size  (mm)

AC

current

DC current

switching input

switching output

Analog output

Communication interface

LED

LCD

RH-AA11

√

-

2

2

1

1

√

-

152*76

RH-DA11

-

√

2

2

1

1

√

-

RH-AA21

√

-

2

2

1

1

√

-

111*111

RH-AA21

-

√

2

2

1

1

√

-

RH-AA31

√

-

2

2

1

1

√

-

91*91

RH-DA31

-

√

2

2

1

1

√

-

RH-AA41

√

-

2

2

1

1

√

-

114*56

RH-DA41

-

√

2

2

1

1

√

-

RH-AA51

√

-

2

2

1

1

√

-

92*45

RH-DA51

-

√

2

2

1

1

√

-

RH-AA61

√

-

2

2

1

1

√

-

67*67

RH-DA61

-

√

2

2

1

1

√

-

RH-AA71

√

-

2

2

1

1

√

-

76*76

RH-DA71

-

√

2

2

1

1

√

-

RH-AA81

√

-

2

2

1

1

√

-

45*45

RH-DA81

-

√

2

2

1

1

√

-

RH-AA2Y

√

-

2

2

1

1

-

√

111*111

RH-AA5Y

√

-

2

2

1

1

-

√

91*91

RH-AA5Y

√

-

2

2

1

1

-

√

92*45

Please note the above in our normal function ,please contact us for customizing special products.