Digital Meter

Performance Characteristics

1.High precision measurement of single or three phase power factor

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 0.5

Signal input

♦Connection Mode: Single -phase two wires,three phase four wires ,three phase three wires.

♦Rated voltage :AC 450V

♦Rated current:AC 1A, AC 5A

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

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

♦Impedance:voltage>300KΩ  current <20mΩ

♦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)

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

Optional Functions

display

Hole size

model

Single phase power factor

Three phase power factor

Switch input

Switch output

Analog output

Communication interface

LED

LCD

RH-H11

√

-

2

2

1

1

√

-

152*76

RH-3H11

-

√

2

2

1

1

√

-

RH-H21

√

-

2

2

1

1

√

-

111*111

RH-3H21

-

√

2

2

1

1

√

-

RH-H31

√

-

2

2

1

1

√

-

91*91

RH-3H31

-

√

2

2

1

1

√

-

RH-H41

√

-

2

2

1

1

√

-

114*56

RH-3H41

-

√

2

2

1

1

√

-

RH-H51

√

-

2

2

1

1

√

-

92*45

RH-3H51

-

√

2

2

1

1

√

-

RH-H61

√

-

2

2

1

1

√

-

67*67

RH-3H61

-

√

2

2

1

1

√

-

RH-H71

√

-

2

2

1

1

√

-

76*76

RH-3H71

-

√

2

2

1

1

√

-

RH-H81

√

-

2

2

1

1

√

-

45*45

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