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RH-F31J
  • RH-F31J
  • RH-F31J
  • Add:No.27 East Huancheng Road,Liushi Town,Yueqing City,Zhejiang Province,325604 China
  • Zip:325000
  • Tel:86-577-61759370
  • Fax:86-577-61759560
  • Web:
  • E-mail:REHE@rhkeji.com
Product

Feature

Measure single-phase AC frequency with high-precision.

Provide LED display and local data query.

Support RS-485 communications and Modbus-RTU protocol.

Support switch input, switch output and analog output.

Power supply: AC / DC 80V~270V 、AC 220V、AC 380V、AC 100V、DC 48V、DC24V

There are various choices of dimensions to meet the requirements of different electrical circuit enclosure.

Technical Index

Accuracy Measurement

Frequency        ±0.02Hz

Input Measurement

Wiring         single-phase

Rated value      AC 57.7V、AC 100V、AC 220V、AC 380V

Overload        Sustained: 1.2 times; Instantaneous: 2 times/ 1s

Power consumption         <1VA (per phase)

Impedance          >300KΩ

Frequency          45~65Hz

Power supply

Working range      A C / D C 8 0 V ~ 2 7 0 V、A C 2 2 0 V、A C 3 8 0 V、A C 1 0 0 V、D C 4 8 V、D C 2 4 V

Power consumption   < 4 V A 

Functional Module

Communication interface     1 loop RS-485 Communication, MODBUS-RTU protocol

                 Baud rate: 2400 ~ 19200bps, Default: 2400bps

Switching value input       2 loops switching value input, dry joint

Switching value output          2 loops relay output, capability: AC 250V/5A,DC 30V/5A

Transmission output         1 loop analog output: 0/4~20mA or 0~5/10V

Environment

Operational environment    - 1 0℃~ + 5 5℃

Storage environment     - 2 5℃~ + 7 0℃

Relative humidity            ≤9 3 %,in the place without corrosive gas

Height above sea level    ≤2 5 0 0 m

Safety

Insulation resistance     > 1 0 0 MΩ

AC withstand voltage     A C 2 K V

Electro Magnetic Compatibility

Electro-Static discharge          class 4

Electrical Fast Transient pulse train       class 4

Electrical surge              class 4

Outline Dimension

External Dimension( m m )   1 2 0×1 2 0;8 0×8 0;9 6×4 8;9 6×9 6;8 0×8 0;4 8×4 8;1 2 0 x 6 0;1 6 0 x 8 0

Cutout Dimension( m m )    1 1 1×1 1 1;7 6×7 6;9 2×4 5;9 2×9 2;6 8×6 8;4 5×4 5;1 1 4 x 5 6;1 5 2 x 7 6

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