RHE 26

Panel/DIN Rail Mount

A small footprint, low cost transmitter designed for rack, panel or DIN rail mounting in an indoor or enclosure environment.

  • Measures Mass Flow, Volumetric Flow, Density and Temperature
  • Outputs 1 x Analog, 2 x Frequency/Pulse/Status
  • Inputs 2 x Digital, 1 x Analog
  • PC USB for RHECom, RS 485 for Modbus RTU
  • Optional Backlit Color LCD
  • ATEX/IEC Ex approved
  • Rheonik Assurance Factor®



General Specifications


IEC61554 panel mount housing. Lockable front cover and DIN rail mount options available

Enclosure Rating:

IP20 (front IP54 with optional lockable cover)

Ambient Temperature:

-20°C to +60°C  / -4°F to +140°F


Please refer to RHE26 Dimensions page


Large high contrast backlit LCD 128 x 24. Screen changes color to indicate warning or error


0.45 kg / 1 lb


3 x front panel operator buttons for all menu navigation and settings

Sensor Connection:

Pluggable cage clamp terminal strip. Cable available in lengths up to
100 m / 328 ft for connection to remote sensor

Analog Outputs:

1 x 4-20mA output, active or passive, compliant to NAMUR NE-43

Digital Outputs:

2 x configurable pulse / frequency / status (IEC 60946), max 10 kHz

Digital Inputs:

1 x configurable control input (IEC60946)

Power Supply:

12-24 VDC ±10%, 4W

Digital Data Communications:

Modbus RTU (RS485)
Connection to PC (USB) with Rheonik RHECom software

Hazardous Area Approvals:

ATEX / IECEx for RHE in ordinary locations (code AS), RHM in all zones

cCSAus for RHE in ordinary locations (code CS), RHM in all divisions