Coriolis Mass Flow Meter Type FMO

Founded in 1872, Bopp & Reuther Messtechnik GmbH is a globally recognized leader in precision flow, density, and energy measurement technology. With more than 150 years of experience, the company has built a strong reputation for engineering excellence, German quality, and innovation in industrial measurement solutions.

Headquartered in Mannheim, Germany, Bopp & Reuther develops and manufactures a wide range of instruments, including flow meters, density and concentration meters, energy measurement systems, flow computers, and dosing solutions. These products are designed to meet the highest standards of accuracy, reliability, and durability, making them trusted worldwide in critical industries

Bopp & Reuther Coriolis mass flow meter Series Coriolis Transducer FMO

Bopp & Reuther Coriolis Mass Flow Meter Series Transducer FME 26

Bopp & Reuther Coriolis Mass Flow Meter Series Transducer FME 27

Bopp & Reuther Coriolis mass flow meter Series Coriolis Transducer FMO

High-precision Coriolis mass flow transducer designed for direct mass measurement of liquids across a wide range of process conditions. The Bopp & Reuther FMO Series delivers exceptional accuracy, reliability, and durability in demanding industrial environments.

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Bopp & Reuther Coriolis Mass Flow Meter Series Transducer FME 26

Compact and intelligent mass flowmeter transducer designed for precise liquid measurement and reliable process control. The Bopp & Reuther FME 26 offers versatile connectivity, real-time monitoring, and seamless integration with Coriolis sensors for industrial applications.

The Mass Flowmeter Transducer FME 26 from Bopp & Reuther is engineered for direct mass measurement of liquids with exceptional stability and accuracy. Built to interface with Coriolis flow sensors, it converts raw measurement data into standardized outputs for flow, density, and temperature.

Designed for both panel and DIN-rail mounting, the FME 26 is compact and lightweight, making it ideal for space-limited installations. It features a bright LCD display with backlight and a unique color-change function to visually indicate process warnings or errors—enhancing operator awareness and system safety.

With multiple analog, digital, and communication interfaces including 4-20 mA, RS-485 (Modbus), and pulse/frequency outputs, the FME 26 ensures smooth integration into modern process automation systems. Its robust Noryl housing provides reliable performance in ambient temperatures from −20 °C to +60 °C, suitable for a wide range of industrial environments.

Technical Information

Specification	Details
Product Type	Mass Flowmeter Transducer FME 26
Measurement Principle	Direct mass measurement of liquids
Explosion Protection	Usage in safe area; transducers in Zone 1 can be connected
Ingress Protection	IP20 (rear), IP54 (front)
Ambient Temperature	−20 °C to +60 °C
Housing Installation	Panel or DIN-rail mounting
Housing Material	Noryl
Power Supply	10–28 VDC or 100–240 VAC
Outputs	1 × 4-20 mA, RS-485 / Modbus, 2 × pulse / frequency / status
Input	Digital input 24 VDC
Display	LCD with backlight and color change for warnings/errors
Weight	0.55 kg

Applications

Chemical and Petrochemical Processes – monitoring of chemical feed, blending, and dosing systems

Food & Beverage – hygienic measurement and process supervision for liquids

Pharmaceutical & Laboratory Equipment – accurate low-flow liquid dosing and verification

Water Treatment & Utilities – measurement and transmission of mass flow in process lines

General Industrial Automation – process control integration via Modbus communication

Options

Compatible with Zone 1 Coriolis transducers

Choice of installation type: panel or DIN-rail

Configurable output types: 4-20 mA, RS-485 (Modbus), pulse/frequency

Customizable display alerts with color-coded warnings and errors

Benefits

High precision mass flow measurement with reliable signal processing

Easy installation via panel or DIN-rail mounting

Clear visual status through LCD color-change alerts

Flexible integration with analog, digital, and RS-485 (Modbus) communication

Lightweight (0.55 kg) and compact design for space-constrained systems

Durable Noryl housing and wide temperature range (−20 °C to +60 °C)

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Bopp & Reuther Coriolis Mass Flow Meter Series Transducer FME 27

High-performance, dual-channel mass flowmeter transducer for precise and direct mass measurement of liquids. The Bopp & Reuther FME 27 combines accuracy, flexibility, and intelligent monitoring, making it ideal for modern industrial automation and process control systems.

The Mass Flowmeter Transducer FME 27 by Bopp & Reuther is designed for direct, highly accurate mass measurement of liquids in industrial applications. Building upon the proven FME series platform, the FME 27 offers enhanced input/output flexibility and dual-channel capability, enabling precise data acquisition and seamless integration into complex process systems.

Engineered with a durable Noryl housing, the transducer is suitable for panel or DIN-rail mounting, providing installation versatility in control cabinets and process panels. Its LCD display with backlight delivers clear real-time readings, while the color-change function visually alerts operators of warnings or errors for improved process safety.

Equipped with multiple analog and digital interfaces, including up to 2 × 4–20 mA outputs, RS-485 (Modbus) communication, and pulse/frequency/status outputs, the FME 27 ensures compatibility with a wide range of automation systems. Supporting safe-area operation and connectivity to Zone 1 transducers, it provides reliable signal conversion and data transmission even in demanding industrial conditions.

Technical Information

Specification	Details
Product Type	Mass Flowmeter Transducer FME 27
Measurement Principle	Direct mass measurement of liquids
Explosion Protection	Usage in safe area; transducers in Zone 1 can be connected
Ingress Protection	IP20 (rear), IP54 (front only)
Ambient Temperature	−20 °C to +60 °C
Housing Installation	Panel or DIN-rail mounting
Housing Material	Noryl
Power Supply	10 – 28 VDC or 100 – 240 VAC
Outputs	1 – 2 × 4–20 mA, RS-485 / Modbus, 2 × pulse / frequency / status
Inputs	1 – 2 × digital input 24 VDC, 0 – 1 × 4–20 mA
Display	LCD with backlight and color change for warnings/errors
Weight	0.55 kg

Applications

Chemical and Petrochemical Industries – precise liquid mass measurement for blending and batching

Water and Wastewater Plants – flow monitoring and dosing of treatment chemicals

Food & Beverage Production – hygienic and accurate control of liquid ingredients

Pharmaceutical Manufacturing – precision dosing and formulation monitoring

Industrial Automation Systems – integration into process control networks via Modbus communication

Options

Dual 4–20 mA outputs for simultaneous flow and density or temperature measurement

Panel or DIN-rail mounting options for flexible installation

Multiple communication protocols including RS-485 (Modbus)

Selectable pulse or frequency outputs for external counters or PLC inputs

Customizable display alerts with color change for process alarms

Benefits

High-precision dual-channel measurement with up to 2 analog outputs

Flexible connectivity supporting RS-485 (Modbus) and pulse/frequency outputs

User-friendly LCD interface with backlight and color warning system

Compact and lightweight (0.55 kg) design for easy cabinet integration

Durable and reliable Noryl housing with IP54 front protection

Wide ambient temperature range (−20 °C to +60 °C) for varied process environments

More details

Specification	Details
Product Type	Coriolis Transducer FMO
Measurement Principle	Direct mass measurement of liquids
Measuring Accuracy	< ±0.2 % of measured value
Explosion Protection	Zone 1 (Ex-approved)
Ingress Protection	IP65 (Connection box for transmitter)
Process Temperature Range	-20°C to +120°C (extended version: -50°C to +210°C)
Process Pressure	Up to 1220 bar
Housing Material	Stainless steel
Wetted Parts	Stainless steel, Hastelloy, Tantalum
Power Supply	12–24 VDC / 100–240 VAC
Output / Display	Compatible with corresponding measuring transducers
Process Connection	Internal thread, Flange (DIN/ANSI)

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