RHM 100 Coriolis Mass Flow Sensor

TYPICAL APPLICATION RANGE 200 up to 12000 kg/min
MAX. PRESSURE 237 bar / 3437 psi
TEMPERATURE -196 up to +210°C
ACCURACY 0.1% of rate
Alloy C22
more on request

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.

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  • 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 0.025 kg/l
  • Repeatability down to 0.05%
  • Typical measuring ranges between 12000 and 300 kg/min
  • Accurately measure low flow rates down to 200 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
  • Viscous Fluids
  • Barge, Ship, Rail Car and Truck Filling


Nominal Flow (Qnom)* 12000 kg/min (26455 lb/min)
Minimum Flow (Qmin)* 300 kg/min (661 lb/min)
Operating Temperature Fluid from -196°C to 150°C (-320°F to 302°F), design up to 210°C (410°F) Ambient from -50°C to 80°C (-58°F to 176°F), optional up to 210°C (410°F)
Pressure Ratings Up to 237 bar / 3437 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), 1.4410 (SuperDuplex)

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.


Rheonik Coriolis RHM100 Datasheet

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