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Coriolis Flow Meter RHM03

Rheonik Coriolis Mass Flow Meter RHM03

The RHM 03 can measure flow rates up to 5 kg/min (11 lb/min) with temperatures in excess of 400 °C and

pressures to 868 bar. This model is a truly unique flexible  solution, manufactured by Rheonik, the mass 
flowmeter experts.
 The RHM 03 is an economical meter which has been in production over 15 years. This meter is available in 
a wide variety of models which makes it suitable for virtually all applications. As with all other Rheonik meters, this model is based on the patented Omega tube design with increased signal to noise ratio. 
This unique design, which offers excellent performance and reliability, has created the most satisfied customers worldwide. Unlike other mass flowmeter manufacturers, Rheonik uses a patented torsion rod 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.
RHM03 Coriolis mass flow meter

APPLICATIONS
Suitable for virtually any mass flow application, such as:

  • Batching
  • Dosing
  • General flow control
  • Injections
  • Filling

FEATURES
The outstanding features include:

  • Suitable for pressure up to 868 bar
  • Typical measuring ranges from 0.05 kg/min to 5 kg/min (11 lb/min)
  • Minimal flows as low as 0.0375 kg/min
  • Patented Torsion Swinger
  • Optimised solutions
  • Flow Accuracy of 0.10%
  • Repeatability better than 0.05%
  • Many different material and fittings available
  • Extra compact design with minimal space requirement
  • EEx Approvals (i.e. ATEX, CSA, …)
  • Custody Transfer Approvals (i.e. PTB, NMI, …)

ADVANTAGES

  • No pressure effect – no deterioration of accuracy due to pressure changes by the patented Omega Shape
  • Patented torsion swinger design assures longest life time and increased safety (low stress in welds and increased wall thickness against abrasion)
  • No moving parts – practically no maintenance
  • Removable connection block 

PERFORMANCE RHM 03
Max Flow 5 kg/min (11 lb/min)

1. Standart Model



2. Optimized Low Flow Models* / optimized to be operated between 0.015 x Q max and 0.3 x Qmax



3.  Gold Line Models/ application fine tuned meters

Repeatability : better ± 0.05 % of rate
Temperature : better ± 1°C




For serial (single pipe/path) sanitary design Qmax is 2.5 kg/min (50%). Data above refer to standard wall thickness. 
Error of reading (including zero drift) indications refer to reference conditions H2O, 18-24°C (66-76°F), 1-3 bar (15-45 psi).
RHM sensor do not suffer from pressure effect due to torsional oscillation and semi circle (non-deforming) measurement section.
Temperature changes of +/- 25°C around the operating point are negligible.
Pressure drop refers to Newton liquids, with parallel measuring loops and block/manifold connection.
Nominal flow refers to approx. 10 m/s (33 ft/sec) velocity in measuring loops for best performance. 
Calibration to customer range, with increased accuracy, possible.



General Outline Dimension Coriolis Flow Meter RHM 03
Type I (w/ removable manifold block – serial [SM0] / parallel [PM0] / PTFE seals)



Weight approx. 2.5kg (5.5 lb)                                                        Weight approx. 3.5 kg (7.7 lb)
A1=130 mm (5.12″)                        B1=25 mm (0.98″)                 H1=172 mm (6.77″)
A2=145 mm (5.71″)                        B2=40 mm (1.57″)                 H2=188 mm (7.40″)
                                                                                                     H2=196.5 mm (7.74″) for
                                                                                                     brazed block version

W = 0 mm for standard temperature models -45/-20 to +120°C (-49/-4 to +248°F)
     = 100 mm (36″) for extended (ET1, ET2) and high temperature models*



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