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Flow, pressure, level and temperature solutions

CS Instruments VA 420 Compressed Air Flow Meter

  • Designed for mobile and fixed operation
  • Quick installation
  • Suitable for many gasses
  • Analogue and Pulse outputs
  • Low Pressure Drop

The CS Instruments VA-420A air flow meter builds on the CS Instruments V-400 series. The VA-420 meters utilise the calorimetric measuring principle. Due to their compact design it is possible to monitor all compressed air data from a system be it the smallest compressed air tool (1/4“ to 2 inch) to the actual compressor.

The device is supplied with threaded or flanged inserts to make installation a quick and easy task.

By fitting the sensor with quick release couplings the VA-420 becomes a mobile service tool for fast local no fuss monitoring.

For permanent installation it is possible to transfer data to a building management system or PLC with the 4-20mA output for actual flow.

If totalising is required then the Pulse output (galvanically separated) should be selected from the device.

The VA 420 is ideal for: Monitoring Compressed air consumption and system balancing including leak analysis. It is also ideal for Monitoring of expensive process gases like nitrogen, CO2, oxygen, argon, nitrous oxide.

The versatility of the in head display keypad offers a variety of meter selectable values, m³/h, m³/min, l/min, l/s, kg/h, kg/min, kg/s, cfm. There is also a resettable zero for totalised flow via the keypad. The supplied software enables alternative gas selection (nitrogen, oxygen, CO2, nitrous oxide, argon) without the need for recalibration.


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