Specifications

High-precision measure single-phase ac current.
LED display , Local data query
Various shape can be choosed.

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 ac or dc current.

LED 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,DC48V,DC24V

Various shape can be choosed.

 

 

Accuracy of measurement
Current	0.5 degree
Signal Input
Mode of connection	single-phase
Rated current	AC 1A AC 5A DC 20mA DC 1A DC 5A DC 75mV
Overload	1.2 times 10 times /5 second(instantaneous)
Power dissipation	less than 0.4VA/phase
Impedance	Less than 20mΩ
Frequency	45-65Hz or DC

 

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 2 dry contacts
DO	support 2 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	≤ 2 500m

 

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
	AC	DC	DI	DO	TO	Communication interface
RH-AA11	√		2	2	1	1	√		152*76
RH-DA11		√	2	2	1	1	√
RH-AA21	√		2	2	1	1	√		111*111
RH-DA21		√	2	2	1	1	√
RH-AA31	√		2	2	1	1	√		92*92
RH-DA31		√	2	2	1	1	√
RH-AA41	√		2	2	1	1	√		114*56
RH-DA41		√	2	2	1	1	√
RH-AA51	√		2	2	1	1	√		92*45
RH-DA51		√	2	2	1	1	√
RH-AA61	√		2	2	1	1	√		68*68
RH-DA61		√	2	2	1	1	√
RH-AA71	√		2	2	1	1	√		76*76
RH-DA71		√	2	2	1	1	√
RH-AA81	√		2	2	1	1	√		45*45
RH-DA81		√	2	2	1	1	√

2.ECONOMY SINGLE-PHASE AC AMMETER
Display 9999 Display is programmable
	Model	Display Mode	Face Frame Size	Hole Size
			mm	mm
	RH-AA11	Single Row LED	160*80	152*76
	RH-AA21	Single Row LED	120*120	111*111
	RH-AA31	Single Row LED	96*96	92*92
	RH-AA41	Single Row LED	120*60	114*56
	RH-AA51	Single Row LED	96*48	92*45
	RH-AA61	Single Row LED	72*72	68*68
	RH-AA71	Single Row LED	80*80	76*76
	RH-AA81	Single Row LED	48*48	45*45