The Rotronic HP23-AW-A Water Activity Meter is a hand-held water activity indicator with data logging capability. The HP23-AW-A is useful in a number of applications such as spot check measurements to confirm product stability and indicate shelf life.
The measurement of water activity is a key parameter in the quality control of moisture-sensitive products or materials. Water activity is a measure of the water vapor pressure generated by the free or non-chemically bound water in foods and other products. The bound water and moisture content cannot be measured with this method. The free water in a product influences its microbiological, chemical and enzymatic stability. This is especially important in the case of perishable products such as foodstuffs, grain, and seeds as well as in many products in the pharmaceutical and cosmetic industries. If there is too much free water available, the products spoil, and if there is too little water available, other product properties can be influenced negatively. The measurement of water activity also provides useful information on properties such as the cohesion, storage life, agglomeration or pour-ability of powders, tablet stability, and the adherence of coatings.
- 2 input channels for HC2 stationary sensors or HC2 plug-in sensors can be connected for measuring water activity, relative humidity and temperature
- AW Quick function for fast measurement results
- Audible alarm to indicate completed measurement
- Stores up to 10,000 data records with %RV, °C, date and time
- Battery recharging function
Applications
- Food & Beverage
- Pharmaceuticals
- Agriculture & Horticulture
- Materials Science
Each Unit Includes
- Rotronic HP23-AW-A Water Activity Handheld Device
