CS Instruments DS 400 – Flow Measurement For Compressed Air And Gases

Each factory needs compressed air, however, often it is not realized that compressed air is one of the most expensive types of energy.


Each factory needs compressed air, however, often it is not realized that compressed air is one of the most expensive types of energy. Therefore, the intelligent use of flow measurement DS 400, holds an enormous potential for saving energy. In most cases the user mainly concentrates on the production, i. e. on the compressors. In order to save energy very often new compressors, control systems or heat recovery systems are installed.


CS Instruments

CS Instruments

CS Instruments GmbH & Co. KG with locations in 24955 Harrislee and 78052 Villingen-Schwenningen/ Tannheim, is managed by Dipl. Eng. (FH) Wolfgang Blessing as sole Managing Director.

CS Instruments GmbH was established in the year 2002 by Christian Schuldt and Wolfgang Blessing as equal shareholders/Managing Directors.

Wolfgang Blessing already was sound a specialist on the sector of compressed air technology resp. industrial measurement technology long before the establishment of CS Instruments GmbH in the year 2002. Prior to the foundation of CS Instruments GmbH Dipl. Ing. (FH) Wolfgang Blessing acted for more than 10 years as primarily responsible product manager for industrial measurement technology at a worldwide known manufacturer of measuring instruments for compressed air and gases in the Black Forest. The technical knowledge and experience matched with the long-term practical knowledge was the corner stone for the success of CS Instruments.


  • 3.5″ graphic display with touch screen – shows the progression of the measured values in graphic form
  • 2 sensor inputs for flow sensors/ dew point sensors
  • USB interface for reading out the data logger via USB stick
  • 2 additional sensor inputs for pressure sensors, current meters and so on
  • Option: Data logger for 100 million measured values (2 GB SD card)
  • Option: Ethernet and RS 485 interface (Modbus protocol)
  • Option: Webserver
  • Option: CS Soft Basic – comfortable evaluation of the measured data


  • for compressed air and gases


  • Dimensions : 118 x 115 x 98
    IP 54 (wall housing)
    92 x 92 x 75mm (panel mounting)
  • Inputs : 2 digital inputs for VA 500/520
  • Interface : USB
  • Power supply : 100…240 VAC, 50-60 Hz
  • Accuracy : please see VA 500
  • Alarm outputs: 2 relays (pot.-free)
    Options :
  • Data Logger : 100 milion measuring values start/stop time, measuring rate freely adjustable
  • 2 additional sensor inputs : for connection of pressure sensors, temperature sensors, clamp-on ammeters, third-party sensors with 4…20 mA 0 to 10 V, Pt 100, Pt 1000

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