Portable Water Activity Meter

AMT178 Water Activity Meter

Keywords: water activity meter, AMT178 water activity meter, portable water activity meter, aw meter, moisture activity tester

Portable water activity meter with 0.001 aw resolution, 0.02 aw accuracy, a 5-minute test and C/F switching.

AMT178 is a genuinely portable water activity meter: light, precise to 0.02 aw, and ready to give a result in five minutes. Sensor and readout are integrated in a single body — load the sample and water activity plus sample temperature appear together on the display.

The resolution is 0.001 aw across the full 0.000 – 1.000 aw range, so small differences between batches remain visible. The display switches between °C and °F to match your SOP, and the instrument powers down automatically after one minute without operation, protecting the two AAA batteries during long days in the field.

AMT178 Portable Water Activity Meter | 0.001 aw

Key Features

1.  Portable and light — 140 × 73 × 65 mm, 330 g (without batteries).

2.  0.001 aw resolution — full 0.000 – 1.000 aw range; accuracy ±0.02 aw.

3.  5-minute test — fast enough for routine sampling and incoming inspection.

4.  Combined readout — water activity and sample temperature shown together.

5.  °C / °F switchable — read in whichever unit your procedure uses.

6.  Power saving — auto off after 1 minute without any operation.

7.  Integrated sensor — nothing to assemble or align before measuring.

Built for Real Use

Close-up of the control and display area.

Detail view of the body, finish and markings.

Close-up of the connections and mounting section.

Technical Specifications

Applications

1.  Incoming inspection of dried fruits, nuts, spices and instant powders

2.  Pharmaceutical and nutraceutical raw materials

3.  Dried meat, dried vegetables and intermediate-moisture foods

4.  Grain, seed and feed storage monitoring

5.  Mobile quality control and field sampling