Oval Wheel Meter OC Series

The Bopp & Reuther Oval Wheel Meter Series OC is a robust and precise volumetric flow meter designed for flow and volume measurement of liquid raw materials, intermediates, and finished products. Built for industrial reliability, the OC series offers high measurement accuracy and repeatability, making it suitable for a wide range of applications including process monitoring, transfer measurement, and filling operations.

Engineered with durable AISI 304 stainless steel or aluminum construction, the Series OC ensures excellent corrosion resistance and mechanical strength. It handles viscosities from 0.3 to 350 mPa·s, making it ideal for oils, chemical liquids, demi-water, petrol, and other industrial fluids. With an accuracy of ±0.5 % (optional ±0.25 %) and repeatability of ±0.02 %, it provides dependable performance across varying process conditions.

Available in nominal sizes DN25 to DN400 (1" to 16"), with DIN or ANSI flanged connections, the OC series supports pressures up to 16 bar and temperatures up to 70 °C. Optional flameproof or intrinsically safe designs make it suitable for hazardous area installations, ensuring safety and precision in critical fluid handling systems.

Bopp & Reuther Oval Wheel Meter OC Series Reed Contact Type

Bopp & Reuther Oval Wheel Meter OC Series with MFE

Bopp & Reuther Oval Wheel Meter OC Series Reed Contact Type

The Bopp & Reuther Oval Wheel Meter OC (Reed Contact Type) is a compact, single-case positive displacement flow meter designed for accurate measurement of liquids. Featuring a Reed contact pulse output, Zone 1 explosion-proof compliance, and high-resolution signal detection, it delivers dependable and precise flow monitoring for light- to medium-viscosity liquids across industrial applications.

The Oval Wheel Meter OC (Reed Contact Type) from Bopp & Reuther is a direct-volume flow meter that offers robust mechanical precision and digital signal flexibility for the accurate measurement of liquid flow.

Its Reed contact output provides reliable pulse generation for integration with SPS / PLS control systems, enabling smooth communication and automated process monitoring.

Built from AISI 304 stainless steel or aluminum, the OC model ensures corrosion resistance, lightweight durability, and excellent long-term stability in continuous operation. The high-resolution Reed pulse pickup delivers outstanding repeatability and precision, while the compact, single-case design allows easy installation even in confined systems.

With accuracy up to ±0.5 % (optional ±0.25 %), a temperature range of 0 °C – 70 °C, and pressure capacity up to 16 bar, the OC Reed Contact version is an efficient and economical solution for chemical, industrial, and process-control applications requiring reliable pulse-based liquid measurement.

Technical Information

Parameter	Specification
Product Type	Direct volume meter (Single-Case design)
Application	Flow and volume measurement of liquids
Measuring Accuracy	±0.5 % of measured value (optional ±0.25 %)
Explosion Protection	Zone 1 – Reed contact evaluated as simple operating equipment
Process Temperature	0 °C to +70 °C
Process Pressure	Up to 16 bar
Housing Material	AISI 304 stainless steel / Aluminium
Wetted Parts	AISI 304 stainless steel / Aluminium
Power Supply	Via SPS / PLS, 24 V DC
Output / Display	Pulse output via Reed contact
Process Connection	Male thread (R) / Female thread (G)
Special Features	Compact construction, high-resolution pulse detection, simple integration into PLC systems

Options

Pulse Output: Reed contact signal for SPS / PLS control systems

Accuracy Upgrade: Optional ±0.25 % high-precision calibration

Connection Type: Male (R) or female (G) threaded process connections

Material Selection: Available in AISI 304 stainless steel or aluminum for application compatibility

Mounting Orientation: Flexible installation due to compact single-case body

Applications

Chemical Industry: Accurate flow control of solvents, reagents, and cleaning fluids

Industrial Automation: Integration into process control systems for batching and monitoring

Oil & Energy: Metering of light oils, lubricants, and auxiliary liquids

Water & Utilities: Measurement of service water and non-corrosive liquids

OEM and Equipment Manufacturing: Compact measurement component for skid systems and small process units

Benefits

High Accuracy: ±0.5 % standard, optional ±0.25 % for precision control

Compact Design: Ideal for limited-space installations and OEM integration

High-Resolution Signal: Reed contact ensures precise, repeatable pulse output

Easy System Integration: Direct connection to SPS / PLS with 24 V DC supply

Durable Materials: AISI 304 stainless steel or aluminum construction resists corrosion and wear

Explosion-Proof Compliance: Safe for Zone 1 classified environments

Low Maintenance: Simple mechanical structure ensures reliable, long-term operation

Versatile Threaded Connections: Compatible with R and G thread standards

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Bopp & Reuther Oval Wheel Meter OC Series with MFE

The Bopp & Reuther Oval Wheel Meter OC with MFE is a compact, single-case positive displacement flow meter designed for accurate measurement of liquids with high signal resolution. Featuring an integrated electronic module (MFE) with 4–20 mA output, pulse signal, and digital display, it offers a perfect balance of precision, flexibility, and durability for industrial flow applications.

The Oval Wheel Meter OC with MFE from Bopp & Reuther is a direct volumetric flow meter engineered for reliable measurement of liquid flow and total volume in industrial systems.

Its compact and rugged single-case construction, combined with the integrated MFE electronic unit, ensures precise digital signal processing and user-friendly local display of flow and total values.

Constructed from AISI 304 stainless steel or aluminum, the OC with MFE offers corrosion resistance, lightweight design, and mechanical robustness for long-term performance. With a measurement accuracy of up to ±0.5% (optionally ±0.25%), it is ideal for applications requiring dependable results and simple installation.

The integrated MFE electronics provide 4–20 mA two-wire output, pulse output, and a digital display, enabling seamless connectivity to automation and control systems. The device operates either via battery power or a 24 VDC supply, offering flexible integration across a wide range of industrial environments.

With Zone 1 explosion protection, high-resolution measurement, and threaded process connections (R/G), this compact meter delivers exceptional performance where space, safety, and precision are essential.

Technical Information

Parameter	Specification
Product Type	Direct volume meter (Single-Case design)
Application	Flow and volume measurement of liquids
Measuring Accuracy	±0.5% of measured value (optional ±0.25%)
Explosion Protection	Zone 1 (Ex-approved)
Process Temperature	0 °C to +70 °C
Process Pressure	Up to 16 bar
Housing Material	AISI 304 stainless steel or aluminum
Wetted Parts	AISI 304 stainless steel or aluminum
Power Supply	Battery or 24 VDC (4–20 mA two-wire device)
Output / Display	4–20 mA, pulse output, digital display
Process Connection	Male thread (R) / Female thread (G)
Special Features	Compact version, high-resolution signal, MFE electronic module, easy installation

Options

Power Supply Options: Battery operation or 24 VDC with two-wire connection

Output Configurations: 4–20 mA analog signal, pulse output, and digital LCD display

Accuracy Upgrade: Optional ±0.25% high-precision calibration

Connection Types: Male (R) or female (G) threaded process fittings

Material Variants: AISI 304 stainless steel or lightweight aluminum construction

Applications

Chemical Processing: Monitoring of acids, solvents, and additives

Industrial Automation: Flow and total volume tracking in closed-loop systems

Oil & Energy: Accurate measurement of lubricants, fuels, and process fluids

Water & Utilities: Metering of non-corrosive liquids and process water

OEM Equipment: Compact, integrated flow solutions for skids and machinery

Benefits

High Accuracy: ±0.5% standard, optional ±0.25% for high-precision metering

Integrated Electronics: MFE unit with 4–20 mA, pulse, and digital display for easy monitoring

Compact Design: Space-saving single-case body ideal for OEM and system integration

Flexible Power Supply: Operates on battery or 24 VDC for installation flexibility

Explosion-Proof Zone 1: Safe for hazardous and industrial environments

High Signal Resolution: Provides accurate pulse output for process automation

Durable Materials: AISI 304 stainless steel or aluminum ensures corrosion resistance and longevity

Easy Installation: Threaded R/G connections and no straight pipe sections required

Low Maintenance: Reliable mechanical and electronic design with minimal upkeep

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Oval Wheel Meter OC Series

Bopp & Reuther Oval Wheel Meter OC Series Reed Contact Type

Bopp & Reuther Oval Wheel Meter OC Series with MFE

Bopp & Reuther Oval Wheel Meter OC Series Reed Contact Type

Benefits

Bopp & Reuther Oval Wheel Meter OC Series with MFE

Benefits