Digital Voltage Meter

Performance Characteristics

1.High precision measurement of single phase AC /DC voltage

2.Provide the digital tube display, local data query

3.Programmable PT ratio

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

5.Support for switch input, output, analog 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

voltage level 0.5

Signal input

Connection mode of single phase two wires.

Rated voltage:AC 450V/DC 0-1000V

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

Power  Consumption:<1VA/ phase(voltage)

Impedance >300KΩ

The frequency :45~65Hz or DC

Auxiliary power supply

Working range:AC 220V

Power consumption :<4VA

Function module

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

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

Switch input: 2 ways

Switch output :2 ways(capacity: AC 250V/5A, DC 30V/5A

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

Section of Specification

Function

Model NO.

measurement

Extended function(optional)

Display

Hole size  (mm)

AC

voltage

DC voltage

switching input

switching output

Analog output

Communication interface

LED

LCD

RH-AV11

-

2

2

1

1

-

152*76

RH-DV11

-

2

2

1

1

-

RH-AV21

-

2

2

1

1

-

111*111

RH-AV21

-

2

2

1

1

-

RH-AV31

-

2

2

1

1

-

91*91

RH-DV31

-

2

2

1

1

-

RH-AV41

-

2

2

1

1

-

114*56

RH-DV41

-

2

2

1

1

-

RH-AV51

-

2

2

1

1

-

92*45

RH-DV51

-

2

2

1

1

-

RH-AV61

-

2

2

1

1

-

67*67

RH-DV61

-

2

2

1

1

-

RH-AV71

-

2

2

1

1

-

76*76

RH-DV71

-

2

2

1

1

-

RH-AV81

-

2

2

1

1

-

45*45

RH-DV81

-

2

2

1

1

-

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