RHM 160 Coriolis Mass Flow Sensor

TYPICAL APPLICATION RANGE 600 up to 30000 kg/min
MAX. PRESSURE 60 bar / 870 psi
TEMPERATURE -196 up to +120°C
ACCURACY 0.1% of rate
Alloy C22
more on request

The RHM160 is the ultimate cargo and pipeline meter.  With a combination of high accuracy and low pressure drop, the RHM160 is the perfect solution for rapidly transferring large fluid quanties with confidence.

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  • Standard pressure ratings up to 50 bar (725 psi)
  • Temperature ratings from -196 to 120°C (-320 to 248°F)
  • Mass flow uncertainty down to 15%
  • Density uncertainty down to 0025 kg/liter
  • Repeatability down to 05%
  • Typical measuring ranges between 30000 and 750 kg/min
  • Accurately measure low flow rates down to 600 kg/min
  • Unique robust torsion driven oscillation system
  • Rheonik AnyPipeFit Commitment brings you the possibility to get any custom process connection type and size for savings on installation costs. Compact design with minimal footprint
  • Approved for use in hazardous areas
  • Stainless steel case


  • Terminal Transfer
  • Allocation Metering
  • Viscous Fluids
  • Barge, Ship, Rail Car and Truck 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
  • Corrosion resistant
  • Long sensor life guaranteed due to low mechanical stresses in the meter mechanism
  • No moving parts to wear or fail


Nominal Flow (Qnom)* 30000 kg/min (66139 lb/min)
Minimum Flow (Qmin)* 750 kg/min (1653 lb/min)
Operating Temperature Fluid from -196°C to 120°C (-320°F to 248°F), see options in Part Number Code Ambient from -50°C to 80°C (-58°F to 176°F)
Pressure Ratings Up to 50 bar / 725 psi – 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 / 98ft
Sensor Enclosure Materials Stainless steel (standard), 316 stainless steel (optional)

Epoxy coated aluminum terminal box (standard), SS 316 terminal box (optional)

Enclosure Type Protection class IP65 (standard); IP 66 / NEMA 4X (optional)
Wetted Materials 1.4571 (316Ti), 2.4602 (Alloy C22)

Additional/customer specific materials available upon request

Process Connections Nearly any – the RHEONIK AnyPipeFit Commitment. Consult factory for types/sizes not listed in this data sheet
Pressure Rating Compliance Europe – PED: Module B3.2+C2
Certifications and Approvals ATEX / IECEx Approvals for zone 0, 1, 2 (suitably rated RHE transmitter required) North American Approvals for Class I, Div. 1, Groups ABCD (suitably rated RHE transmitter required)

American Bureau of Shipping (ABS) Type Approval for use on marine vessels

Documentation, Testing and Inspection All sensors are hydro tested, calibrated and supplied with a traceable calibration certificate. Customized calibration and testing services available
Project Documentation and QA, Services Rheonik offers a full set of services for large and complex engineering projects. Typical services offered are, but not limited to:

•     Certificates of origin and conformity, mill certificates

•     Data books including WPAR, WQS, NDT, test & quality plans, functional testing, calibration procedures, customized packing, factory acceptance etc.

•     Start up and commissioning services on/offshore

Options Enclosure heating for high temperature applications Cleaning for oxygen service

Full service painting to project specifications – consult factory

* At Qnom pressure drop will be approximately 1 bar (14 psi) for H20. Sensors can be operated at higher flow rates but pressure drop will be higher. Maximum recommended velocity (liquid) through the sensor is 15 m/s. Beyond this point, cavitation may occur. Qmin is the recommended lowest flow rate. Sensors will measure flow rates lower than Qmin, but uncertainty may increase beyond 0.5% of rate.
These flow rate and pressure drop statements relate to standard pressure tube sensor versions. Models with higher pressure ratings have increased wall thickness and will have higher pressure drops and lower Qnom values.


Rheonik Coriolis RHM160 Datasheet

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