Specifications

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

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.

 

LED or LCD display , Local data query

 

Current Conversion Ratio is programmable.

 

Support RS-485 communication Modbus-RTU treaty.

 

Support DI DO AO

 

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

 

Various shape can be choosed.

 

 

 

Accuracy of measurement
Voltage	0.5 degree
Current	0.5 degree
Active power	0.5 degree
Reactive power	0.5 degree
Power factor	0.5 degree
Frequecy	±0.02Hz
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
Transmitting Output	support 1 AO :0/4-20mA or 0-5/10V
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
	Three-phase current	Three-phase voltage	Active power	Reactive power	Power frequency	Frequency	DI	DO	TO	Communication interface
RH-3♦11	Any function combination						2	2	1	1	√		152*76
RH-3 ♦ 23	Any function combination						2	2	3	1	√		111*111
RH-3 ♦ 2Y	Any function combination						2	2	3	1		√
RH-3 ♦ 33	Any function combination						2	2	3	1	√		92*92
RH-3 ♦ 3Y	Any function combination						2	2	3	1		√
RH-3 ♦ 41	Any function combination						2	2	1	1	√		114*56
RH-3 ♦ 51	Any function combination						2	2	1	1	√		92*45
RH-3 ♦ 63	Any function combination						2	2	1	1	√		68*68
RH-3 ♦ 6Y	Any function combination						2	2	1	1		√
RH-3 ♦ 73	Any function combination						2	2	1	1	√		76*76
RH-3 ♦ 7Y	Any function combination						2	2	1	1		√
RH-3 ♦ 83	Any function combination						2	2	1	1	√		45*45
RH- ♦ 11	Any function combination						2	2	1	1	√		152*76
RH- ♦ 23	Any function combination						2	2	3	1	√		111*111
RH- ♦ 2Y	Any function combination						2	2	3	1		√
RH- ♦ 33	Any function combination						2	2	3	1	√		92*92
RH- ♦ 3Y	Any function combination						2	2	3	1		√
RH- ♦ 41	Any function combination						2	2	1	1	√		114*56
RH- ♦ 51	Any function combination						2	2	1	1	√		92*45
RH- ♦ 63	Any function combination						2	2	1	1	√		68*68
RH- ♦ 6Y	Any function combination						2	2	1	1		√
RH- ♦ 73	Any function combination						2	2	1	1	√		76*76
RH- ♦ 7Y	Any function combination						2	2	1	1		√
RH- ♦ 83	Any function combination						2	2	1	1	√		45*45

 

 

27.TRI-PHASE AC CURRENT AND VOLTAGE
COMBINATION METER
	Model	Display Mode	Face Frame Size	Hole Size
			mm	mm
	RH-3UI11	Single Row LED	160*80	152*76
	RH-3UI23	Three Row LED	120*120	111*111
	RH-3UI33	Three Row LED	96*96	92*92
	RH-3UI41	Single Row LED	120*60	114*56
	RH-3UI51	Single Row LED	96*48	92*45
	RH-3UI63	Three Row LED	72*72	68*68
	RH-3UI73	Three Row LED	80*80	76*76
	RH-3UI83	Three Row LED	48*48	45*45
	RH-3UI2Y	LCD	120*120	111*111
	RH-3UI3Y	LCD	96*96	92*92
	RH-3UI6Y	LCD	72*72	68*68
	RH-3UI7Y	LCD	80*80	76*76

 

 

 

Terminal diagram

 

 

 

The wiring diagram