China LCD Digital Ammeters Ampere Meter Three Phase Electric Meter, Find details about China Power Meter, Digital Ammeter from LCD Digital Ammeters Ampere Meter Three Phase Electric Meter
Dimension: customized | custom processing: Yes | Measuring range: 0-9999 | ||
Model NO.: LH-3AA | accuracy class: 0.5 | Installation: embedded | ||
Usage: high precision measurement of three phase AC ampere | Auxiliary power supply: DC 80V-270V, DC48V, DC24V, AC220V | |||
Perfomance Characteristics | ||||
High precision measurement measurement of three phase AC current | ||||
Provide the digital tube display, local data query | ||||
Programmable voltage ratio | ||||
Support for RS-485 communication, Modubus-RTU protocol | ||||
Support for switching input, output, analog quantity transmitting output | ||||
Auxiliary power supply: AC/DC 80V~270V, AC220V, AC380V, AC100V, DC48V, DC 24V | ||||
A variety of shapes, to meet the different requirements of the cabinet body electric circuit | ||||
Technical Index | ||||
Accuracy of measurement | Electric current 0.5 | |||
Singal input | Connection mode of three phase four wire, three phase three line | |||
Rated current of AC 1A, AC 5A | ||||
Over load 1.2 times ( Continued ), 2 times / second ( instantaneous ) | ||||
Power consumption < 0.4VA/phase | ||||
Impedance < 20mΩ | ||||
The frequency of 45~65Hz | ||||
Auxiliary power supply | AC/DC 80V~270V, AC220V, AC380V, AC100V | |||
Power consumption < 4VA | ||||
Function module | Communication interface 1 way RS-485 communication, Modbus-RTU protocol | |||
Baud rate: 1200~9600bps, the default 2400bps | ||||
Switch input support 4 stem node input | ||||
The switch output support 3 relay output, capacity: AC 250V/5A, DC 30V/5A | ||||
Transmission output support 3 analog output: 0/4~20mA or 0~5/10V | ||||
Environment | Working temperature: -10° C ~+55° C | |||
Storage temperature: -25° C ~+70° C | ||||
Relative humidity is less than 93%, no corrosive gas | ||||
Elevation≤ 2500m | ||||
Safety | Insulation resistance > 100MΩ | |||
AC withstand voltage AC 2KV | ||||
Electromagnetic compatibility | ESD level 4 | |||
Electrical fast transient burst level 4 | ||||
Selcction of Specification | ||||
Digital Three phase AC Current Meter(9999 display programmable) | ||||
Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark |
LH-3AA1Y | LCD | 160*80 | 152*76 | * |
LH-3AA2Y | LCD | 120*120 | 111*111 | * |
LH-3AA3Y | LCD | 96*96 | 92*92 | * |
LH-3AA4Y | LCD | 120*60 | 114*56 | * |
LH-3AA5Y | LCD | 96*48 | 92*45 | * |
LH-3AA6Y | LCD | 72*72 | 68*68 | * |
LH-3AA7Y | LCD | 80*80 | 76*76 | * |
Extended Modules: | ||||
AC/DC power supply(switching power supply)$4 | ||||
Modbus-RTU RS485 comm: $5 | ||||
AO: $7 more for each stem node | ||||
DI: $4 more for each stem node | ||||
DO: $4 more for each stem node | ||||
" *" means unconventional products of our corporation | ||||
Order notes: Please write clearly the requested types, input signal and the functional modules, etc when purchasing. | ||||
Others: Factory default settings (Use default setting if no instruction). |