Affordable package for traceable humidity calibrations

The ability to perform traceable humidity calibrations of probes in-house is now within the reach of more users – thanks to a package offered by Michell Instruments.

The benefits of performing calibrations in-house include less process downtime as well as reduced costs since fewer probes will be sent to external calibration laboratories. However, the capital outlay required for traditional systems was prohibitive for all but the largest companies. Michell’s combination of the HygroCal 100 humidity validator with the Optidew 401 chilled mirror hygrometer is both reliable and affordable, placing in-house calibrations, with all their benefits, in the reach of more companies.

Michell’s Optidew 401 chilled mirror hygrometer is traceable to national standards to provide a reference for humidity calibrations. It is accurate to ±0.15 °C dew point, ±0.15 °C temperature and connects easily to the HygroCal 100. Both instruments are light and compact, allowing users to easily move the system to where it is needed most, or pack away if not required to save space.

The HygroCal100 is a lightweight, portable humidity verifier, which uses its reliable internal polymer reference to provide automatic verifications of the accuracy of RH probes. However the HygroCal100 interface enables users to assign a hygrometer with an analog output as a reference device. This allows the unit to be used to perform full calibrations of humidity probes, which are traceable to the reference used.

In order to better serve customers with an extended range of humidity and temperature calibration products and services, Michell has partnered with fellow Process Sensing Technologies company, Rotronic, to provide the most versatile and extensive humidity calibration range on the market today. The offering includes commercial calibration services in ISO17025 accredited laboratories, fully functional dew-point calibration systems with climatic chambers as well as transportable humidity generators for field calibrations.

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Date: 13 November 2020
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Written & issued by Michell Instruments Ltd.