Rheonik RHE 21 Ex d Field Mount

Rheonik RHE 21 Ex d Field Mount
Rheonik RHE 21 Ex d Field Mount - Image 2
Rheonik RHE 21 Ex d Field Mount - Image 3

 

An advanced function, explosion proof, field mount transmitter. With a corrosion resistant stainless steel enclosure and through-glass operation capability, the RHE 21 is rated to IP67 and suitable for the most extreme of installation environments. Features such as API Standard Volume correction and Net Oil calculation are available.

  • Measure Mass Flow, Volumetric Flow, Density and Temperature
  • Outputs 2 x Analog, 2 x Frequency/Pulse, 2 x Digital Status
  • Inputs 2 x Digital, 1 x Analog
  • PC USB for RHECom, RS 485 for Modbus RTU, HART over Analog
  • Backlit Color LCD
  • ATEX/IEC Ex, CSA approved
  • Rheonik Assurance Factor®
MFG Part Number RHE-21
Stock Limited
SKU RHEONIK-RHE-21 Category Tag

 

General Specifications

Housing Stainless steel. Optionally all 316 stainless steel
Enclosure Rating IP66 / NEMA 7X
Ambient Temperature -40 to +60°C / -40 to +140°F (reduced visibility below -20°C / -4°F)
Dimensions Depending upon construction type, please see Dimensions page (approx. 255 x 200 x 100 mm / 10 x 8 x 4 in)
Display Backlit color LCD. Screen changes color to indicate warning or error
Weight 8 kg (17.5 lb)
Operation 3 x behind-window capacitive sensors for menu navigation / settings
Sensor Connection Integral sensor cable with 3m or 10m length or optional IS terminal box for separate custom length sensor cable connection
Analog Outputs

Up to 2 x 4-20mA outputs, active or passive
Intrinsically safe versions available
Uncertainty of analog outputs +/- 0.1% of reading, +/- 10µA
Digital Outputs

Up to 2 x configurable status outputs (IEC60946)
Intrinsically safe versions available
Pulse/Frequency Outputs Up to 2 x configurable pulse/freq. outputs (IEC60946), max 10 kHz
Digital Inputs Up to 2 x configurable control inputs (IEC60946)
Analog Input (optional) 1 x 4 – 20 mA analog input (active) for two-wire external sensor
Power Supply 100-240 VAC (48 to 62 Hz) or 12-24 VDC +/- 10%, max. 6W
Digital Data Communications

Modbus RTU (RS485)
Connection to a PC (USB) with Rheonik RHEComPro software
HART over analog output
Cable Entries for Power and I/O

Type E* two M16 x 1.5 entries with Ex e glands 4-11mm (standard)
Type E3, E4, E5, EP optional ½” NPT, ¾” NPT, M20 x 1.5, M25 x 1.5
Type H* two ½” NPT
Hazardous Area Approvals

For ATEX / IEC Ex and cCSAus please see Part Number Code page
Others available on request

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