RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size
RH: Company code
1(3), normally 1 stand for single phase , 1 will omitted , 3 stand for three phase
AA stand for  AC current ,DA :DC current ,AV :AC voltage ,DV:DC voltage ,F: frequency , H is power factor ,P is active power ,Q is reactive power ,E is active energy ,RE is reactive energy ,I/U is current and voltage combinations ,I/U/F is current ,voltage frequency combination ,P/Q/H is active /reactive power ,power factor combination, Z is I/U/F/H/PQ combination
2 is outline dimensions stand for  42 square shape, 3 is  9 mini square shape ,4 is 46 groove shape ,5 is 5 groove shape ,6 is 61 square shape ,7 is 6 square shape ,8 is mini square shape
1 stand for display show , 1- single row display, 2-two rows display ,3- three rows display ,4- four rows display,5-five rows display ,6- six rows  display ,Y-LCD display

RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size Specification

accuracy of measurement:	Electric current  0.5
Signal input	1.Connection mode of single phase 2. Rated current of AC1A,AC5A,DC20mA,DC1A,DC5A,DC75mV 3.  Over load ( Continued ) 1.2 times, 10 times for /5 seconds ( instantaneous ) 4.  Power consumption <0.4VA/ phase 5. Impedance <20mΩ 6.The frequency 45~65Hz or DC
Auxiliary power supply	1.Working range of AC/DC 80V~270V, AC220V, AC380V, AC100V, DC48V, DC24V 4V 2. Power consumption < 4VA
Function module	1.Communication interface 1 way RS-485 communication, Modbus-RTU protocol 2. baud rate: 1200~9600bps, the default 2400bps 3.  Switch input support 2 stem node input 4.The switch output support 2 relay output, capacity: AC 250V/5A, DC 30V/5A 5. Transmission output support 1 analog output: 0/4~20mA or 0~5/10V
Environment	1.Working temperature: -10°C~+55 °C 2. Storage temperature: -25°C~+70 °C 3. Relative humidity is less than 93%, no corrosive gas 4.Elevation≤ 2500m
Safety	1.Insulation resistance >100M Ω withstand voltage AC 2KV
Electromagnetic compatibility	1. ESD level 4 2. Electrical fast transient burst level 4 3. Surge ( impact) level 4

RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size Size

DIGITAL SINGLE PHASE AC AMMETER(9999 DISPLAY)
MODEL NO.		DISPLAY		FRAME SIZE(mm)		HOLE SIZE(mm)		REMARK
RH-AA11		Digital Single-row LED		160X80		152X76
RH-AA21		Digital Single-row LED		120X120		111X111
RH-AA31		Digital Single-row LED		96X96		92X92
RH-AA41		Digital Single-row LED		120X60		114X56
RH-AA51		Digital Single-row LED		96X48		92X45
RH-AA61		Digital Single-row LED		72X72		68X68
RH-AA71		Digital Single-row LED		80X80		76X76
RH-AA81		Digital Single-row LED		48X48		45X45
RH-AA1Y		LCD		160X80		152X76		*
RH-AA2Y		LCD		120X120		111X111		*
RH-AA3Y		LCD		96X96		92X92		*
RH-AA4Y		LCD		120X60		114X56		*
RH-AA5Y		LCD		96X48		92X45		*
RH-AA6Y		LCD		72X72		68X68		*
RH-AA7Y		LCD		80X80		76X76		*
DIGITAL SINGLE PHASE DC AMMETER(9999 DISPLAY)
MODEL NO.	DISPLAY		FRAME SIZE(mm)		HOLE SIZE(mm)		REMARK
RH-DA11	Digital Single-row LED		160*80		152*76
RH-DA21	Digital Single-row LED		120*120		111*111
RH-DA31	Digital Single-row LED		96*96		92*92
RH-DA41	Digital Single-row LED		120*60		114*56
RH-DA51	Digital Single-row LED		96*48		92*45
RH-DA61	Digital Single-row LED		72*72		68*68
RH-DA71	Digital Single-row LED		80*80		76*76
RH-DA81	Digital Single-row LED		48*48		45*45
RH-DA1Y	LCD		160*80		152*76
RH-DA2Y	LCD		120*120		111*111
RH-DA3Y	LCD		96*96		92*92
RH-DA4Y	LCD		120*60		114*56
RH-DA5Y	LCD		96*48		92*45
RH-DA6Y	LCD		72*72		68*68
RH-DA7Y	LCD		80*80		76*76
REMARK: If you need other function list ,please read this POWER SUPPLY(SWITCHING POWER SUPPLY 2.RS485COMMUNICATION: 3.ANALOG TRANSIMITTER OUTPUT: 4SWITCH INPUT: 5.SWITCH OUTPUT 6.MEANS UNCONVENTIONAL PRODUCTS OF OUR CORPORATION

RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size Function 
1. High precision measurement of single phase AC current
2. Providing the digital tube display, local data query
3. Programmable voltage ratio
4. Support for RS-485 communication, Modbus-RTU protocol
5. Support for switching input, output, analog quantity transmitting output
6. Auxiliary power supply: AC/DC 80V~270V, AC220V, AC380V, AC100V, DC48V, DC 24V
7. A variety of shapes, to meet the different requirements of the cabinet body electric circuit

RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size Payment terms 
1. 30% T/T advance , the balance against to the copy B/Lor LC at sigh 
2. The other specific issues can negorate.
3. Pls confirm the details with us before do the prepayment.
 
RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size Packing information 
1. Inside foam package ,outside strong paper package 
2. 40pcs/per CTN 
3. G/N.W: 20/19kg
4. We can packing as your required,good looking design 
 
Why choose RH-AA21 Digital current meter single row LED display ac current single phase 111*111 hole size
1).ISO9001,SGS,Gold golden supplier 
2) Monthly Production Capacity -- 100000 Pcs 
3)All goods examined before delivery by 10 QC staff 
4)Prompt Reply Within 12 Hours
5)8000 square meters work environment