AMC series ac current meter adopts ac sampling technology,this series can measure monitor current the user can magnify current by pressing button on the meter. It is with modbus rtu protocol RS485 communication;
It can convert electrical signal to dc analog signal out,add DI and DO,alarm relay output and other functions
Specification
Technical parameter | Value | |||
Input | Rated value | AC voltage: Single phase AC100V,400V Three phase AC100V,400V,660V(UL-L,Only72/96) AC current:AC1A,5A; DC voltage:1000V,300V,75mV,10V; DC current:0-20mA,4-20mA,5A; | ||
Overload | Voltage:1.2 times rated value(continuous); 2 times rated value/ 1 second Current:1.2 times rated value (continuous); 10 times rated value/1second | |||
Frequency | 45Hz~65Hz | |||
Power consumption | Power consumption of each voltage, current input circuit is less than 0.5VA | |||
Accuracy | 0.5 | |||
Function | Display | LED or LCD | ||
Communication | RS485,Modbus-RTU protocol;(1 start bit, 8 data bit, 1 stop bit, no parity) Baud Rate 2400/4800/9600/19200 bps etc. | |||
Alarm | 1 channel passive relay, contact capacity 3A/30VDC, 3A/250VAC, Used for high,low,unbalance alarmetc. | |||
Analog | DC4~20mA,(load<500Ω)(note:Shielded wire is specially selected for the above signal input and output) | |||
switching | Input | 4 channel or 2 channel dry contact Input, built in power supply | ||
Output | 2 channel switching output,NO relay contact, capacity:3A/30VDC,3A/250VAC | |||
Auxiliary supply | Voltage range | AC/DC85-265V | ||
Power consumption | <5VA | |||
Insulation resistance | >100MΩ | |||
Power frequency with stand voltage | Between power supply set of terminals and signal input, output set of terminals 2kV/1min (RMS) Between the shell and all set of terminals (except the set of terminals reference voltage less than40V) AC4kV | |||
Environment | Temperature | Operation:-10ºC~+55ºCStorage:-25°C~+70°C | ||
Humidity | ≤95%RH,no condensation,without corrosive gas | |||
Altitude | ≤2500m | |||