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Digital Meters

Three Phase Digital Voltage Meter

Date: 2019-05-31 Click: 760

Digital Meter

Performance Characteristics

1. High precision measurement of  three-phase AC 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 80V~270V, AC220V, AC380V, AC100V

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 :Three phase four wires, three phase three wires.

♦Rated voltage :0-450V

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

♦Power Consumption:<1VA/ phase(voltage)

♦Impedance :>300KΩ

♦The frequency :45~65Hz

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:4 ways

♦Switch output: 3 ways(capacity: AC 250V/5A, DC 30V/5A)

♦Transmission output: 3 ways (analog output: 0/4~20mA or 0~5/10V)

Section of Specification

Function

Model NO.

measurement

Extended function(optional)

Display

Hole size  (mm)

Three phase AC current

switching input

switching output

Analog output

Communication interface

LED

LCD

RH-3AV11

2

2

1

1

-

152*76

RH-3AV23

2

2

3

1

-

111*111

RH-3AV2Y

2

2

3

1

-

RH-3AV33

2

2

3

1

-

91*91

RH-3AV3Y

2

2

3

1

-

RH-3AV41

2

2

1

1

-

114*56

RH-3AV51

2

2

1

1

-

92*45

RH-3AV63

2

2

1

1

-

67*67

RH-3AV6Y

2

2

1

1

-

RH-3AV73

2

2

1

1

-

76*76

RH-3AV7Y

2

2

1

1

-

RH-3AV83

2

2

1

1

-

45*45

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

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