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Water Activity Measurement

ROTRONIC offers fast and accurate instruments for the measurement of water activity of foods, seeds,  pharmaceuticals, cosmetics, etc. Our unique technology also guarantees water activity measurement at the lowest possible purchase price. We offer a choice of three water activity systems that all use the same high precision to ensure consistently precise results and full interchangeability between the quality control laboratory and production areas. Our probes can measure not only product samples but also materials in bulk and can test product packaging.

HygroPalm AW1 Set

HygroLab 2 - HW4 Set

HygroLab 3 Set

Portable system
in a carrying case

PC based system Bench-top system
no PC required

HygroPalm AW1 portable indicator (battery operated), one Aw-DIO probe for the measurement of product samples, accessories and
a carrying case.

  • Measures water activity in typically 5 minutes

  • Wide choice of probes, suitable for different applications

  • Ideal for low budget laboratories and quality control in the production

  • Uses the same technology as our more advanced systems

HygroLab 2 bench-top indicator, one Aw-DIO probe for the measurement of product samples, accessories and HW4 software on a CD. Requires PC with Windows XP or Vista.

  • Measures water activity in typically 5 minutes

  • Full featured water activity software with capture of end values

  • Measures up to 4 product samples simultaneously

  • Wide choice of probes, suitable for different applications

HygroLab 3 bench-top indicator, one Aw-DIO probe for the measurement of product samples, accessories and HW4 software on a CD (use of HW4 is optional).

  • Measures water activity in typically 5 minutes

  • Measures up to 4 product samples simultaneously

  • Wide choice of probes, suitable for different applications

  • Compatible with the HW4 software (capture of end values, graph, data logging, etc.)