Mass Flow Meter Coriolis RHM 08

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The Model Mass flow meter RHM08 is perfect for small scale production with continuous low flow and small-batch dispensing requirements. With a variety of construction styles, the RHM08 is ideal for countless flow applications.

With highly accurate measurement performance and extreme capabilities, Rheonik meters are a natural choice for many applications and quickly provide payback through improved product quality and greatly reduced maintenance. Whether used for the transfer, batching, process feed or control, Rheonik meters can provide online flow and density measurement.


  • Standard pressure ratings up to 1254 bar (18188 psi)
  • Temperature ratings from -196 to 350°C (-320 to 662°F)
  • Mass flow uncertainty down to 0.10%
  • Repeatability better than 0.05%
  • Typical measuring ranges between 0.5 and 50 kg/min
  • Accurately measure low flow rates down to 300 g/min
  • Unique robust torsion has driven oscillation system
  • Process connection customization available
  • Minimum footprint versions available
  • Approved for use in hazardous areas
  • Stainless steel case
  • Removable connection manifold version available for easy and efficient maintenance
  • Remote and compact transmitter versions available


Typical applications include:

  • General Flow Control
  • High-Pressure Gas Dispensing
  • Additive Dosing
  • Mixing and Batching
  • Chemical Injection
  • Package and Container Filling


  • 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
  • Long sensor life guaranteed due to low mechanical stresses in the meter mechanism
  • No moving parts to wear or fail

RHM08 General Specifications

  • Nominal Max Flow Range: Parallel/dual path measurement tube versions: 50 kg/min (110.2 lb/min) Serial/single path measurement tube versions: 25 kg/min (55.1 lb/min)
  • Temperature Range: 5 temperature range options cover temperatures from -196°C to 350°C (-320°F to 662°F)
  • Pressure Ratings: Dependent upon the 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 100m (330 ft)
  • 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. IP 66 / NEMA 4X (optional)
  • The 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 Art.3 (3) Sound Engineering Practice (SEP)
  • Documentation: All sensors are supplied with a traceable calibration certificate. Optional documentation
    items available:
    1. Traceable material certificates
    2. Certificates of origin and conformity
    3. Welding
    4. NACE
    5. Quality
    6. Production and manufacturing procedures
    7. Other documentation to client requirements available
  • Proof Testing: Hydrotest, dye penetrant, x-ray, PMI
  • Options: Enclosure heating matrix for high-temperature applications

Any Rheonik Mass Flow Transmitter model can be combined with an RHM08 sensor to provide an overall mass flow measurement system to suit any requirement. Rheonik Coriolis mass flow transmitters are available in versions specifically designed for process, industrial and OEM applications. Together they offer a tremendous range of options for system designers and end
users alike.

Kind of Coriolis Mass Flow Meter from RHEONIK

1. Small Size Coriolis Mass Flow Sensor

Ideal for embedded systems and precise small flow applications

2. Medium Size Coriolis Mass Flow Sensor

Suited to industrial and process flow control and monitoring

3. Large Size Coriolis Mass Flow Sensor

Perfect for material movements in small and wide-scale operations

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