Coriolis Flow Transmiter

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Inside the measuring sensor, there are precision tubes that are energized by an electromagnetic drive system, which itself is fed by the transmitter, to vibrate at their natural frequencies. When a liquid or gas flows through the vibrating tubes, it is subjected to additional deflection due to the degree of inertia that is generated. This deflection is recorded electronically by two velocity sensors and a high-precision electronic time delta. This measured quantity is proportional to the mass flow rate. A further conversion into physical units is done in a purely digital manner using a signal processor in the transmitter. At the same time, all of the appliance’s functions are constantly monitored. Should any disruptions occur, all of the errors that have occurred are immediately reported in the display.


The transmitter has a 4 to 20 mA analogue output with programmable span, which is proportional either to the measured mass flow rate or the temperature; it also has an impulse output that supplies mass-proportional impulses. All of the outputs and measuring functions can be verified at any time by the user by using the diagnostic mode in the appliance. The maintenance or new calibration intervals can be monitored via a run-time counter. For service or repair purposes, the transmitter and flow sensor can be replaced independently of each other.


The RHEONIK mass flow meter consists of one of the RHM series flow sensors and one RHE series transmitter. The remote unit RHE 07/08 is for installation in a safe non-Ex area and is connected to the sensor via a single multi-conductor cable. Please note, that the types RHE 07/08 and all sensor articles are available in non Ex-versions (without Exnameplate). The RHE 11 (Ex d) may be installed and operated in hazardous Ex-areas (Zone 1 or 2). Ex-series sensors RHM (with Ex-Label) are, when connected with an Ex- Transmitter, made for installation inside hazardous areas (Ex-zone 0, 1 or 2). The transmitter RHE includes seven printed boards which can be replaced during servicing. The remote electronic unit consists of two bent measuring loops in the shape of an omega.

RHE 07 Mass Flow Transmitter

The RHE07 mass flow transmitter is a rack/panel mount multifunction transmitter designed to work with all RHM sensors.  It features an intuitive menu, three button operation and a plug in cable connectors for ease of installation.   RHE07-08_Datasheet_v6 RHE07_08_11_operation_manual

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RHE 08 Coriolis Flow Transmitter

The RHE08 Coriolis flow transmitter is a universal mount transmitter suitable for both indoor and field locations.  Primarily wall mount, this multifunction unit provides flow, density and temperature indication and is usable with any size RHM sensor. RHE07-08_Datasheet_v6 RHE07_08_11_operation_manual

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RHE 11 Mass Flow Transmitter

The RHE11 multifunction coriolis flow transmitter has a corrosion resistant explosionproof enclosure perfect for demanding applications in extreme environments.  The unit features behind glass controls and an intuitive operator menu.     RHE11_Datasheet_v12 RHE 11_operation_manual

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RHE 12 Mass Flow Transmitter

The RHE12 explosionproof mass flow transmitter features standard HART communications and magnetic behind-glass controls.  The RHE12 is supplied with a standard post mounting kit and a choice of integrated sensor cables.   RHE12_Datasheet_v12 RHE12_Operation_Manual

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RHE 14 Coriolis Flow Transmitter

The RHE14 is a low cost mass flow transmitter ideal for OEM and embedded system use. The RHE14 is DIN rail mount and configured through a native RS232 data port. The RHE14 can be used with all RHM Coriolis Sensors.

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RHE 15 Coriolis Flow Transmitter

The RHE15 is an expansion module providing connectivity for an RHE14 transmitter to a PROFIBUS-DP system. The unit can optionally act as a gateway for other local instruments without PROFIBUS functionality.

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RHE 16 Coriolis Flow Transmitter

The RHE16 is a state-of-the-art multifunction DIN rail mount Coriolis transmitter. With full MODBUS capability, the RHE16 provides flow, density and temperature measurement to any supervisory control system.

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