Digital Frequency Meter

Performance Characteristics

1. High precision measurement of frequency

2. Provide a digital tube ,local data query

3. Support for RS-485 communication, Mod bus- RTU protocol

4. Support for switch input, output, analog transmitting output

5. Auxiliary power supply: AC\DC 85-265V, AC220V, AC380V, , DC48V, DC24V

6. 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 :single phase two wires.

♦Overload Voltage：voltage 1.2 times( Continued ), 2times / second ( instantaneous )

♦Power consumption voltage: <1VA/ phase, current <0.4VA/phase

♦The frequency:45-65Hz

Auxiliary power supply

♦Working range :AC 220V

♦Power consumption：<4VA

Function module

♦Communication interface: 1 way RS-485 communication, Mod bus- RTU protocol

♦Baud rate: 1200~9600bps, the default 2400bps

♦Switch input : 2ways

♦Switch output: 2 ways( capacity：AC250\5A,DC30V\5A)

♦Transmission output: 1 ways (analog output：0\4-20mA or 0-5\10V)

Please note the above in our normal function ,please contact us for customizing special products