RHM 80
FLOW SENSOR
The RHM 80 excels in tough applications where high temperatures, pressures and corrosive fluids are present. Its heavy duty construction withstands extreme applications without losing Coriolis meter performance.
- Range: 80 kg/min up to 8000 kg/min
- Pressure: up to 341 bar (4945 psi)
- Temperature: -196°C (-321°F) up to +350°C (662°F)
- Accuracy: 0.1 % of rate
- Materials: SS 316L / SS 316Ti, Super Duplex – 1.4410, Alloy C22 – 2.4602
- Process Connection: 6" up to 6"
General Specifications
Nominal Flow (Qₙₒₘ)* | 5000 kg/min (11023 lb/min) |
Maximum Flow (Qₘₐₓ)* | 8000 kg/min (17637 lb/min) |
Typical Minimum Flow (Qₘᵢₙ)* | 100 kg/min (220.5 lb/min) |
Operating Temperature | Fluid temperature range options cover from -196 °C (-320 °F) to +250 °C (+482°F). |
Ambient Temperature | Standard -50 °C (-58 °F) to +80 °C (+180 °F). |
Pressure Ratings | Up to 341 bar (4946 psi) – depending on the material |
Electrical Connection Sensor | M20 x 1.5 standard cable entry |
Sensor Enclosure Materials | SS 304 (standard), SS 316L (optional) |
Enclosure Type | IECEX tested protection class IP66 (IP66 is mostly equivalent to NEMA 4X): with standard temperature ranges (see datasheet). IP65 (IP65 is better than NEMA 4): with the specified extended temperature ranges and recommended insulation (see datasheet). |
Wetted Materials | Flow tubes SS 316Ti, Alloy C22, Super Duplex |
Process Connections | Nearly any – the Rheonik AnyPipeFit Commitment covers a wide range of process connection types and sizes. Consult factory for types/sizes not listed (see datasheet). |
Pressure Rating Compliance | Pressure Equipment Directive (PED). Others (e.g. CRN) on request. |
Certifications and Approvals | ATEX / IECEx Approvals Zone 0, 1, 2 (see datasheet) |
Testing and Inspection | All sensors are hydro tested, calibrated and supplied with a traceable calibration certificate. Customized calibration and testing services are 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: |
Options | Customization services for machine integration available upon request. |
* At Qₙₒₘ pressure drop across a parallel tube sensor will be approximately 0.4 bar (5.8 psi) for H₂O. Sensors can be operated at higher flow rates up to Qₘₐₓ but pressure drop will be higher. Typical Minimum Flow Qₘᵢₙ is the recommended lowest flow rate for an accurate measurement. Sensors will measure flow rates lower than Qₘᵢₙ but uncertainty will increase beyond 1% of rate. The flow rate specifications above relate to standard pressure, parallel tube, connection block sensor versions. Models with higher pressure ratings have increased wall thickness and will have higher pressure drops.



