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Digital Power Meter

Date: 2019-05-30 Click: 345

Digital Meter

Performance Characteristics

1.High precision measurement of single or three phase active power，reactive power apparent power.

2.Provide the digital tube display,local data query

3.Programmable PT/CT ratio

4.Support for RS-485 communication, Mod bus- RTU protocol

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

6.Auxiliary power supply: AC\DC 85-265V, AC220V, AC380V, DC48V, DC24V

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

Technical index

Accuracy of measurement

♦Active power : level 0.5

♦Reactive power :level o.5

Signal input

♦Connection mode: single phase two wires, three phase four wire, three phase three line

♦Rated voltage :AC 450V

♦Rated current :AC 1A, AC 5A

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

♦Current of 1.2 times( Continued ),10times / 5second ( instantaneous )

♦Power consumption voltage: <1VA/ phase, current <0.4VA/phase

♦Impedance：voltage>300KΩ  current <20mΩ

♦The frequency： 45-65Hz

Auxiliary power supply

♦Working range :AC 220V

♦Power consumption：<4VA

Function module

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

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

♦Switch input :4 ways

♦Switch output:3 ways( capacity：AC250\5A,DC30V\5A)

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

♦Environment

Outline dimensions

Frame size ：120*120，80*80，96*48，96*96，80*80，48*48，120*60,160*80

Hole size：111*111，76*76,92*45,92*92,68*68,45*45，114*56,152*76

function

measurement

Extend the functionality

display

Hole size

model

Single

phase

active

Three phase active

Three phase reactive

Switch input

Switch output

Analog output

Communication interface

LED

LCD

RH-P11

√

-

-

2

2

1

1

√

-

152*76

RH-3P11

-

√

-

2

2

1

1

√

-

RH-3Q11

-

-

√

2

2

1

1

√

-

RH-P21

√

-

-

2

2

1

1

√

-

111*111

RH-3P21

-

√

-

2

2

1

1

√

-

RH-3Q21

-

-

√

2

2

1

1

√

-

RH-P31

√

-

-

2

2

1

1

√

-

91*91

RH-3P31

-

√

-

2

2

1

1

√

-

RH-3Q31

-

-

√

2

2

1

1

√

-

RH-P41

√

-

-

2

2

1

1

√

-

114*56

RH-3P41

-

√

-

2

2

1

1

√

-

RH-3Q41

-

-

√

2

2

1

1

√

-

RH-P51

√

-

-

2

2

1

1

√

-

92*45

RH-3P51

-

√

-

2

2

1

1

√

-

RH-3Q51

-

-

√

2

2

1

1

√

-

RH-P61

√

-

-

2

2

1

1

√

-

67*67

RH-3P61

-

√

-

2

2

1

1

√

-

RH-3Q61

-

-

√

2

2

1

1

√

-

RH-P71

√

-

-

2

2

1

1

√

-

76*76

RH-3P71

-

√

-

2

2

1

1

√

-

RH-3Q71

-

-

√

2

2

1

1

√

-

RH-P81

√

-

-

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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