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Compressed air flow and consumption monitoring

S401 Insertion type thermal mass flowmeters

Insertion type thermal mass flow sensor


  • Insertion type flow sensor for flexible installations under pressure.
  • Two calibration curves can be stored in the sensors internal memory.
  • Display to view air flow and consumption Pipe diameters from 1″ … 12″ (others on request).
  • Installation of the flowmeter in pressure (see video).
  • Rugged IP65 class protection for harsh industrial environments.
  • Isolated analog and pulse outputs or MODBUS / RTU interface.
  • Thermal mass flow measurement, independent of pressure and temperature.
  • Very fast response time. High accuracy and wide measuring range for measuring air and gas leaks.
  • Due to the two calibration curves the sensor can be used with highest accuracy in two different gases.

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S415/S418 Sensor de Flujo de Masa Térmica

Sensor de Flujo de Masa Térmica


  • Salidas del sensor: 4 … 20 mA. o Modbus RTU.
  • Precisión hasta 1%.
  • Es posible la calibración de gas real en 2 gases diferentes.
  • Medición fiable y muy económica del consumo de aire comprimido y nitrógeno directamente en el punto de extracción.

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S418V - Vacuum Flow Sensor

Thermal Mass Flow Sensor with Pressure Sensor

  • Mass-thermal flowmeter for vacuum applications.
  • No additional pressure or temperature compensation is required.
  • S418 for vacuum: High-end version with pressure and datalogger.
  • Wireless communication interface for sensor configuration. Accuracy up to 1%.
  • Sensor outputs: 4 … 20 mA. or Modbus RTU.
  • No straight runs required before measurement due to integrated flow conditioner.
  • Measures vacuum flow, no bypass measurement.
  • Gas thread internal thread connection DN8, DN15, DN20, DN25 (ISO 228-1).
  • S418 with integrated data logger and pressure measurement.
  • Real gas calibration in 2 different gases is possible.

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S421 Thermal Mass Flowmeters with tubing

Thermal Mass Flow Sensor with Tubing


  • The flow sensor is calibrated in the measuring section, this allows a very high accuracy.
  • Two calibration curves can be stored in the internal memory of the flow sensors

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Compressed Air Flow and Consumption Meters

Flow and Consumption Sensor for Untreated Air


  • Flow and consumption measurement in humid air, steam or high speed applications
  • Measurement at compressor outlet with moist air possible
  • Direct flow measurement FAD of the compressor

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Insertion Explosion Proof Flow Sensor

Flow Sensors for Hostile Environments


  • Direct measurement of mass flow rate and standard flow rate without the need for pressure compensation.
  • Wireless communication interface for on-site sensor configuration.
  • Rugged version of our compressed air flow meter as in-line type.

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Ultra sonic flow meter for liquids

Ultrasonic Flowmeter for Liquids


  • Measures flow / consumption of various liquids
  • Energy measurement with clamp-on temperature probe
  • Bi-directional measurement

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Ultrasonic flow meter for liquids with clamp.

Ultrasonic Flowmeter for Liquids


  • Measures clean fluid: water, seawater, others on request
  • OLED display for parameter settings and live values

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