Density and Concentration Meter DIMF 2.0

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 Density and Concentration Meter Series DIMF 2.0 TVS

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 PV

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 PVS with Universal Computer UR06 / ERW 700

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 TWS

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 TVS

Next-generation density and concentration meter based on the oscillating U-tube principle with an advanced 2-wire transmitter (TR24). The Bopp & Reuther DIMF 2.0 TVS delivers exceptional accuracy, diagnostic intelligence, and reliability for industrial liquid measurement and process automation.

The Bopp & Reuther DIMF 2.0 TVS represents the latest evolution in density and concentration measurement technology, utilizing the proven oscillating U-tube principle combined with the TR24 two-wire transmitter. Designed for the precise monitoring of liquid density, reference density, and concentration values, it achieves measuring accuracies up to ±0.015% (±0.15 kg/m³) — and up to ±0.01% (±0.1 kg/m³) with special calibration.

This intelligent density meter is suitable for a wide range of liquids, including acids, alkalis, hydrocarbons, glycol, sugar or salt solutions, alcohol mixtures, and liquefied gases such as propane and butane. With a wide operating range (−40 °C to +150 °C, extendable to +210 °C) and pressure resistance up to 100 bar (optionally 160 bar), the DIMF 2.0 TVS ensures long-term reliability under extreme process conditions.

Constructed with stainless steel (1.4571) and available in optional Hastelloy, Tantalum, Inconel, or Monel wetted parts, it offers outstanding corrosion resistance. Its seal-free design eliminates potential leakage points, making it ideal for custody-transfer and high-integrity measurement.

The DIMF 2.0 TVS features a high-resolution LCD graphic display with backlighting and a user-friendly menu interface. It supports 4–20 mA, frequency, and NAMUR switching outputs, as well as integrated diagnostic functions for temperature, sensor condition, medium consistency, and power supply stability.

Technical Information

Specification	Details
Product Type	Density and concentration meter (oscillating U-tube with TR24 transmitter)
Model	DIMF 2.0 TVS
Measurement Principle	Oscillating U-tube with 2-wire TR24 transmitter
Application	Density and concentration measurement of liquids
Measuring Accuracy	± 0.015 % (± 0.15 kg/m³) of measured value; ± 0.01 % (± 0.1 kg/m³) with special calibration
Process Temperature	−40 °C to +150 °C (up to +210 °C on request)
Process Pressure	Up to 100 bar (optional up to 160 bar)
Housing Material	Stainless steel (1.4571), electronics: painted aluminium
Wetted Parts	Stainless steel, Hastelloy, Tantalum, Inconel, Monel (others on request)
Power Supply	24 V DC (min. 14 V / max. 30 V DC)
Outputs / Display	4–20 mA, frequency or NAMUR switching output, LCD graphic display with backlight
Process Connection	Swagelok® 12 mm, Flange DN 15 / DN 25, ANSI 150 / 300 / 600 (½" or 1"), Tri-Clamp DN 15
Special Features	Seal-free design, diagnostic functions, interpolation point table for complex media, HART® communication

Applications

Chemical & Petrochemical Plants – measurement of acids, alkalis, hydrocarbons, solvents, and mixtures

Oil & Gas Industry – density and concentration control of liquefied gases such as propane and butane

Food & Beverage Industry – monitoring sugar, salt, or alcohol solutions in process and blending systems

Pharmaceutical Production – quality assurance for solutions, suspensions, and fluid mixtures

Industrial Process Control – product detection, mixing control, gas bubble detection, and concentration analysis

Options

Wetted materials: stainless steel, Hastelloy, Tantalum, Inconel, Monel

Process connections: Swagelok®, DIN/ANSI flanges, Tri-Clamp hygienic fittings

Output formats: 4–20 mA, frequency, NAMUR switching output

Extended range options: up to +210 °C and 160 bar

HART® communication and digital diagnostics

Interpolation point table (in preparation) for complex or confidential media

Benefits

Exceptional accuracy (up to ±0.01%) for density and concentration measurement

Wide operating envelope up to +210 °C and 160 bar

Seal-free construction ensures safety and zero leakage risk

Multi-material compatibility for aggressive and hygienic process media

Integrated diagnostics for temperature, sensor, and medium condition

High-contrast LCD display with intuitive menu navigation
Smart 2-wire TR24 transmitter for simplified wiring and installation

Versatile output options (4–20 mA, frequency, NAMUR) for automation systems

More details

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 PV

High-performance density and concentration meter utilizing the oscillating U-tube principle with integrated preamplifier for precise liquid measurement. The Bopp & Reuther DIMF 2.0 PV ensures exceptional accuracy, durability, and process reliability even under high temperature and pressure conditions.

The Bopp & Reuther DIMF 2.0 PV is a precision density and concentration meter engineered for the accurate measurement of liquid density and concentration in industrial process environments. Based on the oscillating U-tube principle and equipped with a high-stability preamplifier, it delivers reliable and repeatable readings with a measuring accuracy of up to ±0.02% (±0.2 kg/m³) — and up to ±0.01% (±0.1 kg/m³) with special calibration.

This instrument features a robust stainless-steel housing (1.4571) and corrosion-resistant wetted materials such as Hastelloy, Tantalum, Inconel, or Monel, making it suitable for corrosive and high-purity liquid applications. It operates safely at temperatures up to 150 °C (optional 160 °C) and pressures up to 100 bar (optionally 160 bar), ensuring dependable performance in demanding process conditions.

The DIMF 2.0 PV is designed for Zone 1 hazardous areas, utilizing NAMUR interface technology for intrinsically safe signal transmission. It provides a frequency output proportional to density, with Pt100 temperature sensing for real-time temperature compensation when connected to flow computers such as the UR06. The seal-free design guarantees leak-free operation and long service life, making it ideal for custody transfer and process-critical systems.

Technical Information

Specification	Details
Product Type	Density and concentration meter (oscillating U-tube with preamplifier)
Model	DIMF 2.0 PV
Measurement Principle	Oscillating U-tube with integrated preamplifier
Application	Density and concentration measurement of liquids
Measuring Accuracy	± 0.02 % (± 0.2 kg/m³); ± 0.01 % (± 0.1 kg/m³) with special calibration
Explosion Protection	Zone 1 (Ex-approved)
Process Temperature	−40 °C to +150 °C (up to +160 °C on request)
Process Pressure	Up to 100 bar (up to 160 bar on request)
Housing Material	Stainless steel (1.4571)
Wetted Parts	Stainless steel, Hastelloy, Tantalum, Inconel, Monel (others on request)
Power Supply	NAMUR
Outputs / Display	NAMUR (original frequency), Pt100 for connection to flow computer (e.g., UR06)
Process Connection	Flange DN10 PN40 / PN100 (DIN 2545 / 2547), ANSI 150 / 300 RF (½”), other types on request
Special Features	Seal-free construction, intrinsically safe interface, temperature-compensated measurement

Applications

Chemical and Petrochemical Plants – precise density measurement of corrosive or non-corrosive liquids

Oil & Gas Industry – accurate reference density measurement for liquefied gases (e.g., LPG, butane, propane)

Food & Beverage – monitoring concentration in two-substance mixtures (e.g., sugar, alcohol, oil solutions)

Pharmaceutical and Biotech Processes – control of high-purity liquids and solvent concentrations

Custody Transfer Systems – accurate measurement of liquid density for trade and compliance

Options

Wetted materials: stainless steel, Hastelloy, Tantalum, Inconel, Monel

Temperature range extension: up to +160 °C

Pressure range extension: up to 160 bar

NAMUR interface for frequency output and temperature input (Pt100)

DIN or ANSI flanges and optional sanitary food-grade connections

Compatible with UR06 flow computer for real-time calculation and linearization

Benefits

High accuracy (up to ±0.01%) ensures precise process control

Wide operational range: up to 160 °C and 160 bar

Seal-free design for leak-free and low-maintenance operation

Corrosion-resistant materials extend lifespan in harsh media

Zone 1 explosion-proof for hazardous environments

Real-time temperature compensation with Pt100 sensor integration

NAMUR output allows easy connection to flow and density computers

Custom calibration available for enhanced accuracy in special applications

More details

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 PVS with Universal Computer UR06 / ERW 700

Advanced density and concentration measurement system combining the Bopp & Reuther DIMF 2.0 PVS with the Universal Computer UR06 / ERW 700. Designed for multi-channel operation and custody-transfer precision, this system delivers real-time, high-accuracy monitoring of liquids across a wide range of industrial and hazardous applications.

The Bopp & Reuther DIMF 2.0 PVS with Universal Computer UR06 / ERW 700 is a state-of-the-art density and concentration measurement system based on the oscillating U-tube principle. It integrates one or two DIMF 2.0 PVS density meters with the intelligent UR06 / ERW 700 universal flow computer, providing simultaneous measurement and control of different liquid media.

Engineered for high-accuracy density and concentration analysis, this system achieves up to ±0.02 % (±0.2 kg/m³) accuracy — and ±0.01 % (±0.1 kg/m³) with special calibration. It is designed for hazardous Zone 1 environments, with non-Ex electrical connections via isolating modules to ensure safe operation.

Constructed in stainless steel (1.4571) with optional Hastelloy, Tantalum, Inconel, or Monel wetted parts, the DIMF 2.0 PVS offers exceptional corrosion resistance and long-term stability. Its seal-free design prevents leakage, making it ideal for high-integrity and custody-transfer applications.

The UR06 / ERW 700 flow computer features a high-resolution LCD graphic display, intuitive plain-text menu navigation, and integrated data logging (with optional SD card). It provides multiple communication outputs — including Modbus (RS232/RS485), M-Bus, Ethernet, and Profibus DP — allowing seamless integration into modern process control and data acquisition systems.

Technical Information

Specification	Details
Product Type	Density and concentration measurement system (oscillating U-tube with universal computer)
Model	DIMF 2.0 PVS with UR06 / ERW 700
Measurement Principle	Oscillating U-tube with preamplifier and digital computer integration
Application	Density and concentration measurement of liquids (single or dual media setup)
Measuring Accuracy	± 0.02 % (± 0.2 kg/m³); ± 0.01 % (± 0.1 kg/m³) with special calibration
Explosion Protection	Zone 1 (Ex-approved, non-Ex connection via isolating modules)
Process Temperature	−40 °C to +150 °C (optional up to +210 °C)
Process Pressure	Up to 100 bar (optional 160 bar)
Housing Material	Stainless steel (1.4571)
Wetted Parts	Stainless steel, Hastelloy, Tantalum, Inconel, Monel (others on request)
Power Supply	24 V DC (min. 14 / max. 30 V DC)
Outputs / Display	2 × 4–20 mA, 3 × optocouplers, Modbus (RS232), optional Ethernet, Modbus RS485, Profibus DP; LCD graphic display with backlight
Process Connection	Swagelok® (12 mm), Flange DN 15 / DN 25, ANSI 150 / 300 / 600 (½"–1"), Tri-Clamp DN 15
Special Features	Seal-free construction, dual-media support, data logger with SD card, interpolation table for complex media, diagnostics for temperature, sensor, and power stability

Applications

Chemical & Petrochemical Industries – measurement of acids, alkalis, hydrocarbons, solvents, and mixtures

Oil & Gas Sector – density control for liquefied gases such as propane, butane, and glycol mixtures

Food & Beverage – monitoring sugar, salt, or alcohol concentrations for process and blending control

Pharmaceutical & Biotechnology – precision density and concentration control for formulations and solvents

Industrial Automation & Quality Control – detection of product quality, mixture ratios, and gas bubbles in liquid systems

Options

1 or 2 DIMF 2.0 PVS sensors connected to one universal computer for dual media measurement

Multiple output configurations: 4–20 mA, Modbus (RS232/RS485), Profibus DP, Ethernet, M-Bus

Integrated data logging with optional SD card storage

Seal-free construction for leak-free operation

Wetted parts in stainless steel, Hastelloy, Tantalum, Inconel, or Monel

Process connections: Swagelok®, DIN/ANSI flanges, or Tri-Clamp

Temperature and pressure extension options up to 210 °C and 160 bar

Benefits

High precision (±0.01%) for density and concentration measurement

Dual-channel capability for simultaneous measurement of two liquids

Integrated flow computer (UR06 / ERW 700) for real-time data processing

Wide communication compatibility: Modbus, Ethernet, Profibus, and M-Bus

Built-in data logger for traceable process documentation

Explosion-proof design (Zone 1) ensures safety in hazardous areas

Maintenance-free, seal-free design for maximum reliability

Corrosion-resistant materials for aggressive and industrial media

Fully configurable outputs and diagnostic tools for advanced process control

More details

Bopp & Reuther Density and Concentration Meter Series DIMF 2.0 TWS

High-accuracy density and concentration meter with oscillating U-tube technology and wall-mounted transmitter for versatile industrial use. The Bopp & Reuther DIMF 2.0 TWS ensures precise, stable, and maintenance-free measurement of liquid density and concentration in a wide range of process applications.

The Bopp & Reuther DIMF 2.0 TWS is a highly reliable density and concentration meter designed for the accurate measurement of liquid media using the oscillating U-tube principle. Featuring a wall-mounted transmitter (TWS) with a 1.5 m connection cable, it combines precision, flexibility, and robust construction for use in demanding industrial environments.

This instrument provides exceptional measuring accuracy of ±0.02% (±0.2 kg/m³), with options for enhanced calibration accuracy upon request. It is approved for use in Zone 1 hazardous areas, making it suitable for chemically active and high-safety process zones.

Built with stainless steel (1.4571) housing and corrosion-resistant wetted parts such as Hastelloy, Tantalum, Inconel, or Monel, the DIMF 2.0 TWS operates reliably across temperatures from −40 °C to +150 °C (extendable to +210 °C) and pressures up to 100 bar (160 bar optional).

Its 2-wire 4–20 mA / HART® output enables real-time monitoring of operating density, reference density (temperature-corrected to 15 °C or 20 °C), or concentration (expressed in % mass, % volume, Brix, or Bé). The integrated 2-line LCD display provides clear process visualization.

The seal-free construction ensures long-term stability and eliminates leakage risks, while advanced features like interpolation point tables support calibration of complex or proprietary process media.

Technical Information

Specification	Details
Product Type	Density and concentration meter (oscillating U-tube with wall-mounted transmitter)
Model	DIMF 2.0 TWS
Measurement Principle	Oscillating U-tube with external T-series transmitter (wall-mounted, 1.5 m cable)
Application	Density and concentration measurement of liquids
Measuring Accuracy	± 0.02 % (± 0.2 kg/m³) of measured value
Explosion Protection	Zone 1 (Ex-approved)
Process Temperature	−40 °C to +150 °C (up to +210 °C optional)
Process Pressure	Up to 100 bar (160 bar optional)
Housing Material	Stainless steel (1.4571); electronics housing: aluminium, painted
Wetted Parts	Stainless steel, Hastelloy, Tantalum, Inconel, Monel (others on request)
Power Supply	24 V DC (min. 14 / max. 30 V DC)
Outputs / Display	4–20 mA, HART® communication, 2-line LCD display
Process Connection	Flange DIN 15 PN 40 / DIN 25 PN 100, ANSI 150 / 300 / 600 (½”)
Special Features	Wall-mounted transmitter (1.5 m cable), seal-free design, interpolation point table for complex media

Applications

Chemical & Petrochemical Plants – measurement of acids, alkalis, and hydrocarbon mixtures

Oil & Gas Industry – density and concentration control of non-corrosive and liquefied gases

Food & Beverage – monitoring of sugar, alcohol, or oil-based liquid mixtures

Pharmaceutical & Biotech – precision control in solution formulation and quality testing

Industrial Process Monitoring – density and concentration analysis for 2-substance liquid systems

Options

Wetted materials: Stainless steel, Hastelloy, Tantalum, Inconel, or Monel

Temperature range extension: up to +210 °C

Pressure range extension: up to 160 bar

Wall-mounted transmitter (TWS) with 1.5 m signal cable

HART® communication and 4–20 mA output

Interpolation table configuration for complex or confidential media

DIN or ANSI flange options for easy integration

Benefits

High measurement accuracy (±0.02%) for precise liquid density and concentration control

Wall-mounted transmitter allows flexible installation in confined or hazardous spaces

Explosion-proof (Zone 1) for safe use in chemical and industrial environments

Seal-free construction ensures leak-free and maintenance-free operation

Wide process range: up to 210 °C and 160 bar

Corrosion-resistant materials for long service life in aggressive media

Real-time display and digital communication (HART®) for easy process integration

Supports calibration for complex mixtures using interpolation point tables

More details

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