Relative Humidity Hygrometry

relative humidity hygrometry technology

Relative humidity is the measure of the amount of moisture or water vapor present in the air, relative to the maximum amount of moisture that the air can hold at a particular temperature, expressed as a percentage.

Hygrometry, on the other hand, is the science of measuring humidity, usually through the use of instruments called hygrometers.  Relative humidity plays a crucial role in our daily lives, affecting the comfort levels of our homes, workplaces, and outdoor environments, as well as influencing the behavior of materials, such as wood and paper, and the growth of microorganisms, such as mold and bacteria.  It is important to maintain appropriate levels of relative humidity in different settings, as high or low levels can lead to problems like mold growth, corrosion, and discomfort. Generally, a relative humidity range of 30% to 60% is considered to be ideal for most indoor environments.

Measuring relative humidity is important in many industrial processes because it can affect the quality, safety, and efficiency of the production process.  Here are some reasons why measuring relative humidity is important in industrial processes:

  1. Quality control: The relative humidity can affect the quality of products, especially those that are sensitive to moisture, such as electronics, pharmaceuticals, and food products. Measuring relative humidity can help ensure that the products are manufactured in the optimal conditions, which can lead to better quality and longer shelf-life.

  2. Worker safety: High humidity levels can create uncomfortable and unsafe working conditions for employees, especially in industries such as foundries and steel mills. Measuring relative humidity can help ensure that the working environment is within safe and comfortable levels, which can improve worker productivity and reduce the risk of accidents.

  3. Equipment efficiency: High humidity levels can cause equipment to corrode, rust, and malfunction, leading to costly repairs and downtime. Measuring relative humidity can help ensure that the equipment is operating within optimal conditions, which can improve its efficiency and lifespan.

  4. Energy efficiency: High humidity levels can make the air feel warmer, which can lead to increased use of air conditioning and ventilation systems. Measuring relative humidity can help optimize these systems to reduce energy usage and costs.

Explore our high-precision relative humidity and temperature meter (hygrometers) for industrial use.  Our HYGROCONTROL™ high-precision relative humidity and temperature meter (hygrometer) measures the amount of moisture or humidity in the air, or any confined spaces. They can measure absolute, relative, or dew point temperature. They use a capacitance type sensing element with polymer dielectric medium, available in general purpose and hazardous areas. Available in wall or duct mounting as well as with various remote probes. Works well under a wide temperature range and maintains stable condensation tolerance. Ideal for long-term application with low maintenance. They are the perfect solution for every measurement for many industrial applications.

Our Type 81/82 is a wall-mounted, high-precision relative humidity and temperature hygrometer ideal for industrial use. Minimal drift, easy mounting, easy to configure, and install. The Type 81/82 delivers excellent stability even with temperature fluctuations. A variety of probes available to satisfy many applications.

High-Precision Relative Humidity & Temperature Hygrometer 


  • Food and beverage
  • Chemical
  • Industrial manufacturing
  • Pharmaceutical
  • Petrochemical
  • Semiconductor
  • Museums
  • Printing
  • Pulp and printing
  • Industry dryers and humidifiers
  • Climate, environmental and test chambers
  • Heating, ventilation, and air-conditioning (HVAC)
  • Warehouses
  • Clean rooms

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