Gravity Coriolis Mass Flow meter Rheonik RHM12


The rheonik RHM 12 Coriolis mass flow sensor is an economical meter which has been in production for over 15 years. This meter has been optimized for applications that require extreme stability and fast response. As with all other Rheonik meters, this model is based on the patented Omega tube design with an increased signal to noise ratio.

The Rheonik RHM12 Coriolis mass flow meter can measure flow rates up to 10 kg/min (21 lb/min) with extremely fast response times and excellent repeatability. A true solution, particularly for applications such as batching where fast response times are needed, manufactured by Rheonik, the mass flowmeter experts.

Rheonik RHM 015 Coriolis mass flow sensor
Rheonik RHM 015 Coriolis mass flow sensor

This unique design, which offers excellent performance and reliability, has created the most satisfied customers worldwide. Unlike other mass flowmeters,  Rheonik uses a patented torsion swinger with the Omega shape and support bars which results in high accuracy measurement, which is independent of pressure, even at very low flow velocities. The meter has also extremely good repeatability and high stability for critical applications.

The  RHM12 series of Coriolis mass flow meter from Rheonik has a unique compact torsion oscillator design that allows for long usage life due to low stresses on the sensor. The design also means the meter is unaffected by pipe pressure changes and external vibrations and noise.

Temperature and pressure ranges

The Coriolis Mass Flowmeter  can be used in applications such as additive dosing, batching and general flow control thanks to it being able to withstand high pressures up to 790 bar. A large fluid temperature range of between -196°C and 350°C enable high accuracy at extreme temperatures.


Rheonik RHM12 offers a wide flow rate measuring range at consistent accuracy. Typical ranges are between 1kg/min to 100kg/min at a low mass flow uncertainty of 0.12% of reading.


A wide range of wetted materials are available to suit intense applications, 316Ti, Alloy C22, Tantalum and SuperDuplex. Seals are constructed using PTFE.


Meters are approved for use in hazardous areas having been ATEX/IECEx certified for use in Zone 0,1,2. North American Approvals have been given for Class I, div.1 and Groups ABCD.


Suitable for virtually any mass flow
  • General Flow Control
  • Addicting Dosing
  • Mixing
  • Batching
  • Package and Container Filling


The outstanding features include:
  • Standard pressure rating up to 790 bar (11458 psi)
  • Temperature rating from -196 to 350 Deg C (-320 to 662 Deg F)
  • Mass flow uncertainty down to 0.12%
  • Density uncertainly down to 0.5%
  • Repeatability better than 0.05%
  • Typical measuring ranges between 1 and 100 kg/min
  • Accurately measure low flow rate down to 750 g/min
  • Unique robust torsion drove oscillation system
  • Precess Connection customization available
  • Minimum pipe 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


  • 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


  • Flow measuring range of 1kg/min to 100Kg/min.
  • Mass flow uncertainty is 0.12%.
  • Repeatability is lower than 0.05%.
  • Density uncertainty is 0.5%.
  • Operates up to 790 bar of pressure and within -190°C and 350°C.
  • Standard enclosure metal is stainless steel with 316 stainless steel also being available. An epoxy coated aluminium comes as standard but 316 stainless steel is an option.
  • Enclosures are Protection class IP65 as standard but IP66 and NEMA 4X is an optional upgrade.
  • Seals are made from PTFE with other wetted materials being 316Ti, Alloy C22, Tantalum, SuperDuplex.
  • When sensors are calibrated they are given a calibration certificate and all meters are hydrotested.
  • Approved for use in Zone 0,1,2 by ATEX/IECEx and has North American Approvals for Class I, Div.1 and Groups ABCD.

Kind of Coriolis Mass Flow Meter

Small Size Coriolis Mass Flow Sensor

Ideal for embedded systems and precise small flow applications

Large Size Coriolis Mass Flow Sensor

Perfect for material movements in small and wide-scale operations

The types of Coriolis Mass Flow Transmitter


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Rudy Wiratama

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