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 (176 lb/min)

Operating Temperature

Fluid temperature range options cover applications from -196°C to +250°C (-320°F to +482°F). For integral transmitter versions please refer to transmitter datasheet

Ambient Temperature

-50°C to 80°C (-58°F to 176°F)

Pressure Ratings

Up to 341 bar / 4946 psi - dependent upon material

Electrical Connection Sensor w/o Integral Transmitter

M20 x 1.5 standard cable entry for JM, SM terminal box versions

Optional entries available : ½” NPT or M25 x 1.5 (only for SM) or ¾” NPT (only for SM)

Max. cable length to remote RHE transmitter 100 m / 328 ft

Sensor Enclosure Materials

Stainless steel 304 (standard), SS 316L (optional)

Coated aluminum terminal box, SS 316L terminal box (optional)

Enclosure Type

Protection class IP66 (IP66 is mostly equivalent to NEMA 4X) with Standard Temperature Range (Option N1 / NA);

IP65 (IP65 is better than NEMA 4) with Temperature Ranges E2, E3, H4, H5 with recommended insulation (details see manual)

Wetted Materials

Flow tubes SS 316Ti, SuperDuplex or 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 on the Mechanical Construction pages

Pressure Rating Compliance

Europe – PED: Pressure Equipment Directive

Certifications and Approvals

ATEX / IECEx Approvals for Zone 0, 1 (details see page 10)

North American Approvals Class I, Div. 1, 2, Gr. A,B,C,D, Zone 0, 1, 2

Custody transfer approval (OIML R117)

American Bureau of Shipping (ABS)

DNV approval for marine applications

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:

•Certificates of origin and conformity, mill certificates

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

•Painting to project specification 

•Start up and commissioning services on/offshore