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  • Thermal mass low, independent of pressure and temperature changes
  • Measures standard low, mass low and consumption
  • Installation under pressure through 1/2” ball valve
  • Sensor can be calibrated in 2 different gases
  • Selectable gas type (Some gases require real gas calibration!)
  • With the integrated display users can see the actual low and the total consumption
  • IP65 casing provides robust protection in rough industrial environment
  • Isolated mA and pulse output signals or Modbus/RTU interface
  • Very fast response time, high accuracy and wide measuring range
  • Tube diameters of DN25 to DN500
  • 2 installation types: center installation and 100 mm insertion depth installationfor bigger pipes (> DN250)

A compressed air low meter, as the S401, is needed in almost any compressed air system. It helps you to monitor your compressed air system and in the end it helps you to optimize your system and to save costs. S401 compressed air low meter is designed to be easy to use, affordable and its offering a wide measurement range. This makes it easy for you to choose the right low meter, the S401 which fits your needs. The S401 is a thermal mass low meter, based on its measurement principle its not required to compensate the compressed air pressure and temperature, so you do not need any additional measurement installations to measure the low and the consumption. Due to the thermal mass low, the low meter is also well suited to be used in any other gas as Nitrogen or many other technical gases. The S401 sensor technology offers you a high resolution and a high sampling rate which results in a very fast and precise measurement. The low meter is able to save two calibration curves, due to this the sensor can be used in two different gases without any loss of accuracy. The optional color display is designed to show all measured values like actual low and total consumption. At the same time the display can be used to manage the sensor setting like pipe diameter, gas type or output sett S401 low meter offers two different signal output options. It cant be equipped with an isolated analog and pulse output to read out the compressed air low and the total compressed air consumption. Alternatively a MODBUS RTU interface can be used to access all measured values via the digital interface. Since the low meter can be easily installed through a standard ball valve, it can be easily removed for a calibration, without shutt down your compressed air system.

Various sett such as gas type, low unit, reference standards, can be set ex factory according to your needs. If its needed to change the sett on site, then you can use the our free S4C-FS mobile phone application for android phones. This enables you to change the sett wirelessly on site, within a touch of your smartphone. Managing your compressed air was never easier. Of course if there are any special requests, as custom low ranges or different gas types, feel free to contact us. This all makes the S401 compressed air low meter the best suited sensor for your application