RHE 45

Integral/Compact Mount

The RHE45 is an extremely compact Coriolis transmitter. The Rheonik AnyInterfaceCommitment provides a wide variety of communication options for seamless connection to control or SCADA systems. Options include Ethernet, Modbus, ProfiNet, EtherCat, PowerLink, Profibus, CAN and others.


  • Measures Mass Flow, Volumetric Flow, Density and Temperature
  • Outputs 2 x Analog, 2 x Frequency/Pulse, 2 x Digital Status
  • Inputs 2 x Digital
  • PC USB / RHECom, RS 485 / Modbus RTU, Modbus TCP, Ethernet IP, Profinet, EtherCAT, PowerLink, Profibus DP, DeviceNet and CANopen
  • Optional Backlit Color LCD
  • Rheonik Assurance Factor®


General Specifications

Enclosure Material

Epoxy coated aluminum enclosure

Enclosure Rating

IP66 / NEMA 4

Ambient Temperature

-40 to +60°C  (-40 to +140°F)

Reduced display visibility at temperatures below -10°C (14°F)


Aluminum enclosure: 125 x 80 x 57 mm / 4.92 x 3.15 x 2.24 in


Optional high contrast backlit LCD color display available


Via RHECom configuration software

3 x front panel operator buttons with optional LCD display

Electrical Connection

Via 12 pin and 8 pin A-coded plug in connectors

USB for PC connection


Forward, reverse and net flow totalizers for both mass and volume

Analog Outputs

Up to 2 x 4-20 mA (active/passive) for flow, density or temperature

Pulse/Freq/Status Outputs

Up to 2 x configurable pulse/frequency/status outputs (IEC60946).  Max. frequency 10kHz

Digital Inputs

Up to 2 x configurable control inputs (to IEC60946)

Digital Data Communications

Modbus RTU/TCP, Ethernet IP, Profinet, EtherCAT, PowerLink,
Profibus DP, DeviceNet, CANopen.  Others on request

Power Supply

12-24 VDC +/- 10%, 4W