• integrated inlet and outlet pipes for high level of accuracy
  • removable sensor system for easy maintenance and cleaning
  • available for 1/4“ to 2“ pipe sizes and DN 15 to DN 80 flanges
  • max. pressure: 40 bar, max. temperature: 80 °C
  • local LCD-display for flow rate, total or temperature
  • output signals: 4...20 mA for flow rate, pulses for totalization
  • for compressed air and non-aggressive gases
  • zero balance possible at instrument
  • ranges:
    0,8...105 l/h to 7...2840 m³/h

More informations

Model DB51 thermal mass flow meters and counters report and measure mass flow rates and totals of non-aggressive gases, regardless of gas pressure and temperature.

Process gas flows around a heated temperature sensor that is encapsulated in glass. As a result, the sensor dissipates heat which an electronics module returns to the sensor to maintain it at a constant temperature. The dissipated heat energy is proportional to the mass flow rate of the gas and is output as a 4 to 20 mA signal by the electronic utilizing calibration curves and process parameters stored in the instrument.

The 4 to 20 mA signal is routed to secondary evaluation devi­ces and provides the flow rate information. An additional pulse output with a pre-defined pulse value is used for totalizing purposes. Mass flow rate, total or temperature are also displayed on an integrated back-lit display. High levels of accuracy are obtained by means of upstream and downstream pipe runs integrated in the instrument which ensure that the flow stream is laminar.

Typical applications

Series DB51 thermal mass flow meters and counters provide flow measurement of non-aggressive gases in ¼" to 1 ½" pipe systems. Their rugged, heavy-duty design and easy handling and operation make them the right choice for meas­uring and monitoring compressed air consumption.

They also provide measurements of other suitable gases such as: nitrogen oxygen, argon, helium and carbon dioxide.

Service friendly through removable sensor system

For cleaning, maintenance, or recalibration the sensor head may be removed from the pipe run without taking the flow conditioner pipe itself out of the system.

This eliminates the need for a bypass pipe and ensures that the gas supply system may continue to operate even with the meter taken out.

PDF Information

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Electronic Flowmeters

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