RHM 100 Coriolis Flow Meter

The RHM100 is a high throughput Coriolis mass flow meter designed for plant balance and loading/unloading applications with trucks, railcars, barges, tankers and pipelines.


Typical applications include:

  • Terminal Transfer
  • Viscous Fluids
  • Barge, Ship, Rail Car and Truck Filling


  • Standard pressure ratings up to 237 bar (3437 psi)
  • Temperature ratings from -196 to 210°C (-320 to 410°F)
  • Mass flow uncertainty down to 0.15%
  • Density uncertainty down to 0.5%
  • Repeatability better than 0.05%
  • Typical measuring ranges between 300 and 12000 kg/min
  • Accurately measure low flow rates down to 200 kg/min
  • Unique robust torsion driven oscillation system
  • Process connection customization available
  • Approved for use in hazardous areas
  • Stainless steel case
  • Remote and compact transmitter versions available

General Specifications

  • Nominal Max Flow Range:12000 kg/min (26456 lb/min)
  • Density Range:5 to 5000 kg/m3 (0.31 to 312 lb/ft3)
  • Temperature Range:4 temperature range options cover temperatures from -196°C to 210°C (-320°F to 410°F)
  • Pressure Ratings:Dependent upon material
  • Electrical Connection:
    • Cable entry M25 x 1.5 (standard) M20 x 1.5, ½” NPT, ¾” NPT (optional)
    • Max cable length to remote RHE transmitter 30m (98 ft). 100m (330ft) with optional high performance cable
  • Sensor Housing Materials:
    • 1.4301 / 304 stainless steel (standard), 1.4571 / 316Ti stainless steel (optional)
    • Epoxy coated aluminium electrical box (standard), 1.4571 / 316Ti stainless steel (optional)
  • Enclosure Type : Protection Class IP 65. Optional IP 66 / NEMA 4X
  • Material of Wetted Parts:Sensors are available in a variety of standard and custom materials to suit a wide range of pressure ratings and chemical compatibility requirements. See the pressure ratings listing in this document for further details
  • Finishes:ANSI flange finish: AARH 125 to 250 μin, Ra 3.2 to 6.3 μm
  • Certifications and Approvals:ATEX approval Zone 0: Ex II 1 G Ex ia IIC T1-T6 Ga
  • ATEX rating Zone 2:
    • Ex II 3 G Ex nA IIC T1-T6 Gc
    • CSA USA-Canada, Class I, Div. 1, Groups A, B, C, D
    • PED according to 97/23/EC Module B + C1
    • CRN for all Canadian Provinces
  • Documentation:All sensors are supplied with a traceable calibration certificate. Optional documentation items available:
    • Traceable material certificates
    • Certificates of origin and conformity
      •  Welding
      • NACE
      • Quality
      • Production and manufacturing procedures

Other documentation to client requirements available

  • Proof Testing :Hydrotest, dye penetrant, x-ray, PMI
  • Options : E nclosure heating matrix for elevated temperature applications


  • Torsion oscillator design assures a stable and drift free measurement with excellent signal to noise ratios
  • Resilient to external noise and vibration
  • Insensitive to pipe pressure changes
  • Robust tube wall thickness provides increased operational safety in abrasive applications
  • Corrosion resistant
  • Long sensor life guaranteed due to low mechanical stresses in the meter mechanism
  • No moving parts to wear or fail


More information please click :  RHM 100 brochure


Kind of Coriolis Mass Flow Meter from RHEONIK

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