Michell S8000–100 low dew-point hygrometer

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The Michell S8000–100 is a high-precision, low dew-point hygrometer designed to meet the demands of humidity calibration and standards laboratories. The device utilises chilled mirror technology to achieve repeatable measurements of low dew-points down to -100°C, with an accuracy of ±0.1°C, without the need for additional cooling.

At the heart of the new instrument is an optics system that detects minute changes in moisture condensed on the mirror surface. This ensures high sensitivity and fast response to changes in frost point, even at low levels of humidity, where measurements are the most challenging. The S8000-100 high-precision chilled mirror hygrometer achieves ±0.25°C stability at -100°Cfp in less than 6 h, and achieves a reproducibility of ±0.15°Cfp reproducibility at ‑100°Cfp.

The S8000-100 is also small and light at 22 kg and fits into a 19″ rack or can be used comfortably on a bench. There is no need for operators to monitor the instrument continuously as it offers complete automation and remote monitoring via software.

Typical applications for the S8000-100 are as a reference hygrometer in standards laboratories, humidity calibration facilities and precision moisture measurements for research and development.