Specifications

High-precision measure three-phase voltage, three-phase current, active power, reactive power,apparent power,power factor

Description:

 

                            Intelligent digital instrument be used in electricity grids , automation control system to measure voltage ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High accuracy, Reliable performance, Strong isolation, Anti-Vibration.

 

 

 

Performance Characteristics

High-precision measure three-phase voltage, three-phase current, active power, reactive power,apparent power,power factor,frequency.

Measure the direct and the reverse active and reactive power

Timesharing electric energy, Timesharing timer/stopwatch

LED or LCD display , Local data query

Current and Voltage Conversion Ratio is programmable.

Support RS-485 communication Modbus-RTU treaty.

Auxiliary Power Supply :AC/DC 80V-270V,

 

Accuracy of measurement
Voltage	0.5degree
Current	0.5degree
Active power	0.5degree
Reactive power	0.5degree
Power factor	0.5degree
Active electric energy	0.5S degree 0.2S degree
Reactive electric energy	1 degree or 2 degree
Signal Input
Mode of connection	three-phase three-wire,three-phase four-wire
Rated voltage	AC57.7V ,AC 100V,AC220V,AC380V
Rated current	AC1A ,AC5A
Overload	Voltage:1.2 times 2 times /1 second(instantaneous)
	Current:1.2 times 10 times /5 second(instantaneous)
Power dissipation	Voltage:less than 1VA/phase ;Current :less than 0.4VA/phase
Impedance	Voltage:more than 300kΩ:Current:Less than 20mΩ
Frequency	45-65Hz
APS
Operating Range	AC/DC 80V-270V
Power dissipation	Less than 4VA
Function Module
Communication interface	No. 1 RS-485 communications,Modbus-RTU treaty
	Baud rate:1200-9600bps ,the default value is 2400bps
DI	support 4 dry contacts
DO	support 3 relay output,capacity AC250V/5A DC30V5A
Environment
Working environment	-10°C- +55°C
Storage Temperature	-25°C- +70°C
Relative Humidity	≤93%, No corrosive gas places
Altitude	≤2500m
Security
Insulation Resistance	>100mΩ
ACW	AC 2KV
EMC
ESD	grade 4
EFT	grade 4
Surge impact	grade 4
Dimension
Frame dimension	120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80
Hole dimension	111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76

 

Model	Measurement				Extended Function				LED	LCD	Hole dimension
	Single-phase power				DI	DO	TO	Communication interface
RH-D1	√				2	2	1	1	√		152*76
RH-D1Y	√				2	2	1	1		√
RH-D2	√				2	2	3	1	√		111*111
RH-D2Y	√				2	2	3	1		√
RH-D3	√				2	2	3	1	√		92*92
RH-D3Y	√				2	2	3	1		√
RH-D4	√				2	2	1	1	√		114*56
RH-D4Y	√				2	2	1	1		√
RH-D5	√				2	2	1	1	√		92*45
RH-D5Y	√				2	2	1	1		√
RH-D6	√				2	2	1	1	√		68*68
RH-D6Y	√				2	2	1	1		√
RH-D7	√				2	2	1	1	√		76*76
RH-D7Y	√				2	2	1	1		√
RH-D8	√				2	2	1	1	√		45*45
Model	Measurement				Extended Function				LED	LCD	Hole dimension
	Three-phase power	Multi-rate	Harmonious	Fire Monitor	DI	DO	TO	Communication interface
RH-3D2	√				4	4	4	2	√		111*111
RH-3D2Y	√				4	4	4	2		√
RH-3FD2Y	√	√			4	4	4	2		√
RH-3HD2Y	√		√		4	4	4	2		√
RH-3LD2	√			√	4			2	√
RH-3LD2Y	√			√	4			2		√
RH-3FHD2Y	√	√	√		4	4	4	2		√
RH-3D3	√				4	4	4	2	√		92*92
RH-3D3Y	√				4	4	4	2		√
RH-3FD3Y	√	√			4	4	4	2		√
RH-3HD3Y	√		√		4	4	4	2		√
RH-3LD3	√			√	4			2	√
RH-3LD3Y	√			√	4			2		√
RH-3FHD3Y	√	√	√		4	4	4	2		√
RH-3D7	√							1	√		76*76
RH-3D7Y	√							1		√
RH-3D6	√							1	√		68*68
RH-3D6Y	√							1
RH-3D8	√							1	√		45*45

 

29.SINGLE-PHASE MULTI FUNCTION POWER METER
	Model	Display Mode	Face Frame Size	Hole Size
			mm	mm
	RH-D1	Single Row LED	160*80	152*76
	RH-D2	Single Row LED	120*120	111*111
	RH-D3	Single Row LED	96*96	92*92
	RH-D4	Single Row LED	120*60	114*56
	RH-D5	Single Row LED	96*48	92*45
	RH-D6	Single Row LED	72*72	68*68
	RH-D7	Single Row LED	80*80	76*76
	RH-D8	Single Row LED	48*48	45*45
	RH-D1Y	LCD	160*80	152*76
	RH-D2Y	LCD	120*120	111*111
	RH-D3Y	LCD	96*96	92*92
	RH-D4Y	LCD	120*60	114*56
	RH-D5Y	LCD	96*48	92*45
	RH-D6Y	LCD	72*72	68*68
	RH-D7Y	LCD	80*80	76*76

 

  

Terminal diagram

 

 

 

 

The wiring diagram