ES-FLOW ultrasonic flow meter
ES-FLOW ultrasonic flow meter & controllerAuthorized by 3-A

We proudly present our brand new and improved ES-FLOW series! Authorized by 3-A Sanitary Standards, with higher rangeability and Ethernet based fieldbuses.

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E-book: How to handle low liquid flows
E-bookHow to handle low liquid flows

Download the e-book and find out what 'low flows' are. Including in-depth information, technical advice and insider tips from our experts.

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Bronkhorst Business Unit for MASS-STREAM™ mass flow meters and controllers for gases

M+W Instruments GmbH is a wholly owned subsidiary of Bronkhorst High-Tech BV of the Netherlands. At our production site in Leonhardsbuch, Germany, we manufacture instruments of Bronkhorst's MASS-STREAM™ product line.

M+W Instruments specializes in the production and sales of thermal mass flow meters and mass flow controllers for gases. Based on our long-lasting practical experience we focus on mass flow meters and controllers with direct through-flow measurement following the CTA principle (CTA = Constant Temperature Anemometry).

The instruments of our MASS-STREAM™ series can be found in many different measurement and control applications, e.g. in aeration, biogas, burner, coating and gas consumption or monitoring applications.

Close contact to our customers is guaranteed through our global Bronkhorst® sales & service network of more than 40 distributors. Customers in other countries may rely on the qualified and experienced sales and support staff at our state-of-the-art facilities in Leonhardsbuch (D).




Flow ranges: from 0,01...0,2 ln/min up to 200...10.000 ln/min
✓ Thermal mass flow meters/controllers
✓ Direct Through-Flow (inline/CTA) measurement principle
✓ Robust IP65 design
✓ Optional LCD display

Gas Flow Meters / Controllers

Contact information
Address Dorfstraße 1
Postal code 85391
City Leonhardsbuch
Country Germany
Telephone +49 8166 9921 0
Email address [email protected]

Pressure and temperature compensation to optimize flow control

Real-time pressure and temperature compensation to optimize flow control

Various external factors can have influence on the measurement accuracy and control stability of flow controllers. Read the tips on how to use real-time pressure & temperature compensation to optimize the flow control in your low-flow process.

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Trace Elemental Analysis flow meter and controller, flow meter for element analysis, MFC for element analysis

Trace Elemental Analysis

Multi-channel compact gas flow and pressure controllers for Trace Element Analysis such as ICP AAS TOX MS CHNOS. Miniature Mass Flow Controller manifolds for low detection limit analyzers. Read more!

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General terms and conditions of sale

Conditions of sale M+W Instruments

M+W Instruments

Dorfstraße 1
85391 Leonhardsbuch
T: +49 8166 9921 0
E: [email protected]

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