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Humidity Calibration

Humidity affects many properties of air and the materials that are exposed to it. Monitoring and measuring humidity is important wherever there is a need to prevent condensation, corrosion, mold, warping or spoilage of products. For example, it’s important to measure humidity in industries that manufacture and distribute foods, pharmaceuticals, chemicals, fuels, wood, textiles, and paper. Museums, art galleries, data centers, hospitals, research laboratories and semiconductor manufacturers are other types of organizations where measuring humidity is vital.

The sensors that measure humidity need to be calibrated regularly to ensure they continue to operate within their specifications. Humidity sensor calibration is typically done using an instrument called a humidity chamber.


UniCal’s calibration laboratory uses a Temperature and Humidity Chamber as the controlled environment and a set of Temperature and Humidity Probes with Indicator as the reference. All the calibrations are performed by comparison method and in terms of ITS-90 (International Temperature Scale 1990).

Humidity Capabilities

UniCal’s calibration laboratory can perform calibration from -10°C to 60°C and 10% to 90% Relative Humidity.

  • Thermo-Hygrometers
  • Thermo-Hygrographs
  • Psychrometers (Dew Point/Sling)
  • Temperature and Humidity Data Loggers
  • Temperature and Humidity Sensors with Indicators
  • Temperature and Humidity Transmitters
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