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973CA Dew Point Mirror


973CA has been specifically configured to meet the needs for on-site measurement and validation of compressed air and other high-pressure systems with up to 20 bar inlet pressure. It’s supplied in a robust transport case together with a quick coupling armored sample tube to enable fast connection and disconnection with standard compressed air fittings.


  • Fundamental drift free humidity measurement
  • Integral frost/dew point measuring head
  • Integrated 20 bar pressure measurement
  • Optimal Response Injection System for fast measurement
  • Intuitive, easy to use LCD touch screen user interface
  • Sample hose quick coupling
  • Outlet needle valve for sample gas flow control

Key Specifications

  • Min./Max. frost/dew point range: -60 to +20 ̊C
  • Calibrated frost/dew point range: -50 to +20 ̊C
  • Pressures up to 20 bar

Typical Applications

  • Checking breathing gas quality
  • Compressed air systems