Precision Chilled Mirror Hygrometer - Michell S8000

Low-Drift Humidity Measurement for Industrial Applications

Key features

  • ±0.1 °Cdp (±0.18 °Fdp) accuracy
  • Fundamental, accurate and low-drift measurement
  • Simple configuration and operation via touchscreen interface
  • Precision measurements to –60 °C (–76°F) dew point
  • FAST – guaranteed frost formation below 0 °C (+32 °F)
  • Measure at pressures up to 2 MPa (20 barg)
  • USB and Ethernet connectivity
  • Datalogging to SD card or via digital comms


The S8000 precision hygrometer provides a direct measurement of dew point, temperature and pressure. Suitable for both industrial and laboratory applications, the instrument is compact and self-contained.

Based on the design of our flagship S8000 -100 High-Precision Chilled Mirror Hygrometer,
at the heart of the new instrument is a unique advanced optics system to achieve reliable, repeatable measurements of frost points down to -60 °C.

Dew-point measurement is based on the proven, fundamental optical chilled mirror measurement principle, giving long-term reliable humidity measurement over the entire operating range. The S8000 uses this measurement to offer a range of available measurement units including ppmV, absolute humidity, relative humidity and ppmW.


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