Specifications

High-precision measure single-phase active power, single-phase reactive power, three-phase active power, single-phase reactive p

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 single-phase active power, single-phase reactive power, three-phase active power, single-phase reactive power

 

LED or LCD display , Local data query

 

Current and Voltage Conversion Ratio is programmable.

 

Support RS-485 communication Modbus-RTU treaty.

 

Support DI DO

 

Auxiliary Power Supply :AC/DC 80V-270V, AC220V,AC380V,AC100V

 

Various shape can be choosed.

 

 

 

Accuracy of measurement
Active power	1.0 degree
Reactive power	2.0 degree
Signal Input
Mode of connection	single-phase ,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 ,AC220V,AC380V,AC100V,DC48V,DC24V
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
	Electric Energy			DI	DO	TO	Communication interface
RH-E11	Single-phase active power			2	2	1	1	√		152*76
RH-E21	Single-phase active power			2	2	3	1	√		111*111
RH-E31	Single-phase active power			2	2	3	1	√		92*92
RH-E41	Single-phase active power			2	2	3	1	√		114*56
RH-E51	Single-phase active power			2	2	3	1	√		92*45
RH-E61	Single-phase active power			2	2	1	1	√		68/*68
RH-E71	Single-phase active power			2	2	1	1	√		76*76
RH-E81	Single-phase active power			2	2	1	1	√		45*45
RH-3E2Y	Three-phase active power			2	2	1	1		√	111*111
RH-3E3Y	Three-phase active power			2	2	1	1		√	92*92
RH-3E6Y	Three-phase active power			2	2	1	1		√	68*68
RH-3E7Y	Three-phase active power			2	2	1	1		√	76*76
RH-3RE2Y	Three-phase active power			2	2	1	1		√	111*111
RH-3RE3Y	Three-phase active power			2	2	1	1		√	92*92
RH-3RE6Y	Three-phase active power			2	2	1	1		√	68*68
RH-3RE7Y	Three-phase active power			2	2	1	1		√	76*76

 

 

24.TRI-PHASE REACTIVE ENERGY MRTER
	Model	Display Mode	Face Frame Size	Hole Size
			mm	mm
	RH-3RE11	LCD	160*80	152*76
	RH-3RE21	LCD	120*120	111*111
	RH-3RE31	LCD	96*96	92*92
	RH-3RE41	LCD	120*60	114*56
	RH-3RE51	LCD	96*48	92*45
	RH-3RE61	LCD	72*72	68*68
	RH-3RE71	LCD	80*80	76*76

 

 

 

 

Terminal diagram

 

 

 

The wiring diagram