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General
Intelligent Transmitting Meter integrate the functions with multi-value display, multi-loop transmitting and digital communication. It is widely used in power distribution system. And their high performance and high cost performance are recognized by our customers.
Technical Data
Accuracy | Display accuracy: 0.5,0.2 class, Frequency meter 0.1 class, Transmitting: 0.5 class | |
Display | 4 digit LED display with sign bit | |
Input | Nominal input | Current AC1A,AC5A and etc;Voltage AC100V,AC220V,AC380V and etc. |
Overloading | Continuance: 1.2 times, Instantaneous: current 10 times(5s), Voltage 2 times(10s) | |
Frequency | 50/60Hz±10% | |
Power supply | Auxiliary power supply | Auxiliary supply power AC/DC80~270V,AC220V,DC220V and etc. |
Power consumption | <4VA | |
Isolation withstand voltage | Power and input supply,Transmitting output,Communication interface AC2kV, Input,Transmitting output,Communication interface between each other AC1kV | |
Insulation resistance | ≥100MΩ | |
Mean time between failures | ≥50000h | |
Operation condition | Ambient temperature: -10~55°C, Relative humidity ≤93%, No corrosive gas, Height above sea level≤2500m | |
Output | Analog value | When DC4~20mA current output, Load100kΩ |
Digital value | RS-485 interface, MODBUS-RTU protocol, Baud rate default 9600(optional 4800,9600)bps |
digital frequency meter