We offer the widest product range of low-flow (mass) flow meters and controllers on the market. Numerous styles of both standard and bespoke instruments can be offered for applications in laboratory, machinery, industry and hazardous areas.
Customer satisfaction, innovation and quality of product and service have been the cornerstones of Bronkhorst's success. Based on our experience, innovation and sense of responsibility, a relationship with Bronkhorst assures Performance for Life.
Learn more about how Coriolis-based flow meters can be used as microfluidic flow meter instead of thermal flow meters. Read the customer story of a microfluidics system builder who used Bronkhorst products.
Are you looking for technical documentation, are you interested to learn more about the measuring principles of Bronkhorst products, or you do want to get in contact with a Bronkhorst Service Engineer? This section will guide you to the relevant service & support topics.
Bronkhorst High-Tech BV the leaders in Mass Flow Meter / Mass Flow Controller technology for gases and liquids, Pressure Controllers and Evaporation Systems.
How do you know for sure that the gas flow that you measure or set is the right one? The answer is quite simple: make sure that the flow instrument you are using to measure the gas flow gives the real value. Therefore, calibration (and adjusting) of the flow meter once a while is necessary.
Calibration is comparing the measurement value of a device under test - DUT - with a known (reference) quantity. Results of a calibration are stored in a calibration certificate.
In this case, Bronkhorst has developed a mobile calibration setup for a customer in the chemical industry who uses a lot of mass flow meters and flow controllers. This customer was interested in onsite calibration equipment for his flow meters, because it would reduce the downtime of his installation and he would be more flexible in choosing the moment for this performance check.
In order to calibrate mass flow meters onsite, the customer requested mobile calibration setup with a set of calibrated flow devices to use as a reference. In this setup the customer preferred an open, mechanical and compact design without any electronic control or power adapters.
At the gas inlet, a shut-off valve and a filter are used to prevent dust or other particles from passing. Next is a pressure meter to set and read out the correct pressure. Then we have a thermometer followed by the mass flow device under test -DUT-, which can be a mass flow meter or flow controller. Finally, the setup consists of two reference mass flow meters in parallel. In this case one for small gas flows up to 20 ln/min of air (EL-FLOW Prestige or EL-FLOW Select series) and one for large gas flows up to 1200 ln/min of air (EL-FLOW Select series), that have been calibrated to national standards.
In this setup you test whether the mass flow device is suitable and good enough in terms of accuracy and function. When the deviation between the test device (DUT) and the reference device is within the permissible tolerance, no further action is required. When the deviation is outside the permissible tolerance, it is recommended that you send the flow meter to Bronkhorst in order to have the deviation corrected.
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Bronkhorst High-Tech designs and manufactures innovative instruments and subsystems for low-flow measurement and control for use in laboratories, machinery and industry. Driven by a strong sense of sustainability and with many years of experience, we offer an extensive range of (mass) flow meters and controllers for gases and liquids, based on thermal, Coriolis and ultrasonic measuring principles. Our global sales and service network provides local support in more than 40 countries. Discover Bronkhorst®!