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Hygrostats

Hygrostats
Hygrostats
A hygrostat, or humidistat, is an instrument used to measure and control the relative humidity in an environment. Hygrostats are very similar to thermostats, but respond to humidity instead of temperature.

Modern devices use the temperature of condensation to measure differences in humidity. They can use changes in electrical capacitance or resistance to measure differences as well.

Hygrostats and humidistats are typically installed within enclosures and connected to enclosure heaters. If the humidity in the enclosure reaches a predefined set point, the hygrostat will turn on the heater to raise the condensation point. This helps protect electronic components inside the enclosure from damage caused by condensation and corrosion.

MFR 012 Series Image
  • Efficient Condensation Control
  • Adjustable Relative Humidity Range
  • High Switching Capacity
  • DIN Rail Mountable
The MFR 012 electromechanical thermostat is designed to control the relative humidity inside enclosures. When connected to an enclosure heater (dehumidifier), it will energize the heater at the humidity set point in order to raise the dew point. This helps prevent damage and malfunction of electronic components caused by condensation and corrosion.
KFR 012 Series Image
  • Fixed relative humidity setpoint
  • High switching capacity
  • DIN rail mountable
The KFR 012 is designed to control the relative air humidity inside of enclosures. When connected to an enclosure heater, (de-humidifier), it will turn the heater on at the preset humidity setpoint in order to raise the dew point. This helps prevent damage and malfunction of electronic components caused by condensation and corrosion. The KFR 012 can also be used to control cooling fans, warning lights or other devices.
186 Series Image
  • Sensitive Hygroscopic Membrane
  • Includes Temperature Compensation
  • Galvanized Steel Housing Standard on Duct Model
  • Models Available for Normal Comfort Range and High Limit Range
  • Room Type Comes Complete with Standard Cover and Wall Plate
The 186 Room and Duct Hygrostats are pneumatic instruments sensitive to slight changes in relative humidity.
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