Home > S8000 remote chilled mirror hygrometers with new sensor increase reliability of tests in climatic chambers

S8000 remote chilled mirror hygrometers with new sensor increase reliability of tests in climatic chambers

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AMS Instrumentation and Calibration  presents Michell Instruments’ S8000 remote chilled mirror hygrometers featuring a new sensor design that combines high-accuracy temperature control with new materials to improve reliability and avoid condensation.
 
Chilled mirror hygrometers are typically installed in climatic chambers to reduce the uncertainty caused by the relative humidity in the chamber, which will always deviate from the set point and impact the results of environmental tests. A calibrated reference instrument such as a chilled mirror hygrometer reduces this uncertainty to just 0.5% RH but its bulky size reduces the amount of usable test space within the chamber.
 
The new sensor design in Michell Instruments’ S8000 remote chilled mirror hygrometers addresses this particular concern by incorporating a compact remote sensor head with an open cell design that eliminates the need for any complex heated sampling arrangements or an external pump. The sensor can be simply placed in the chamber with the cable routed externally to the instrument.
 
The improved design has an optional aluminium sensor head that provides a swift response to changes in temperature, preventing any risk of condensation occurring during rapid transitions between temperature set points. The field-proven sensor boasts upgraded temperature control for extremely accurate dew-point measurement, and, coupled with the standard ±0.1ºC accuracy ambient temperature sensor, it provides fundamentally derived, high precision relative humidity readings necessary for validating the results of environmental tests.
 
Key features of S8000 remote chilled mirror hygrometers:

  • Highly visible LCD display shows any three user-selectable parameters (dew point, relative humidity and temperature) in large clear text
  • Display features a stability graph and shows the operational status
  • Powerful and simple menu system enables operating parameters to be quickly customised to suit target application
  • Three customisable analogue outputs and one alarm enable integration into an existing automated test or calibration system

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