Performance Characteristics
*High precision measurement of single phase AC frequency.
*Provide the digital tube display,local data query
*Programmable PT/CT ratio
*Support for RS-485 communication,modbus-RTU protocol
*Support for swith inout,output,analog transmitting output
*Auxiliary power supply:AC/DC 80-270V, AC 220V, AC 380V, AC 100V, DC 48V, DC 24V
*A variety of dimensions to meet the different requirements of the electric distribution box.
Technical Index
 Accuracy of measurement
*Frequency:±0.02Hz
Signal Input
*Connection Mode:signal phase two wires
*Rated Voltage:AC 57.7V,AC 100V,AC 220V,AC 380V
*Rated Current:AC 1A,AC 5A
*Overload:1.2 times(continued),2 times/1second(instantaneous)
*Power Consumption:<1VA per phase
*Impedance:>300KΩ
*Frequency:45~60Hz
Accessory Power Supply
*Working Range:AC/DC 80-270V, AC 220V, AC 380V, AC 100V, DC 48V, DC 24V
*Power Consumption:<4VA
Function Module
*Communication Interface:1 way RS-485 communication,modbus-RTU protocol
*Baud Rate:2400~9600bps,the default is 9600bps
*Switch Input:4 ways
*Switch Onput:3 ways(capacity:AC 250V/1A,DC 30V/5A)
*Transmission Onput:3 ways(analog Onput:0/4~20mA or 0~5/10V)
Work environment
*Working Temperature:-10ºC~+55ºC
*Storage Temperature:-25ºC~+70ºC
*Relative Humidity:≤93ºC,no corrosive gas
*Altitude:≤2500m
Safety
*Insulation Resistance:>100MΩ
*Ac Electric:AC 2KV
Emc Performance
*ESD Electrostatic Discharge:class 4
*Electrical Fast Transient Burst:class 4
*Surge(impact):class 4