Water Activity Meter

A water activity meter is a device used to measure the water activity (Aw) of a substance. Water activity is a measure of the amount of free water available for microbial growth and chemical reactions. It’s a critical parameter in food science, pharmaceutical manufacturing, and other industries.

How it works:

A water activity meter typically uses a sensor to measure the relative humidity of the air in a sealed chamber containing the sample. The water activity of the sample is then calculated based on the relative humidity.

Applications of Water Activity Meters:

• Food Industry:
  • Monitoring the shelf life of food products.
  • Controlling drying and dehydration processes.
  • Ensuring product quality and safety.
• Pharmaceutical Industry:
  • Maintaining the stability of drugs and pharmaceuticals.
  • Preventing microbial growth and degradation.
• Agricultural Industry:
  • Monitoring the moisture content of grains and other agricultural products.

Key Features of Water Activity Meters:

• Accuracy: Precise measurement of water activity.
• Speed: Quick measurement times.
• Ease of Use: Simple operation and calibration.
• Durability: Robust construction for long-lasting performance.
• Data Logging: Ability to store measurement data for analysis.

By using a water activity meter, industries can ensure the quality, safety, and shelf life of their products.