AMTAST Water Activity Meter Smart Food Water Activity Tester for Food Jerky Dried Fruit Grain Vegetable AW Monitor
- ...adings are integrated. Put the samples in sample boxes and meters are placed on them until the data are stable. Please note: This meter is calibrated by factory, users do not need to calibrate again, just input samples and test which is very simple..
- If you want to verify the accurate, you can make the standard salt solution by the following steps: 1. 100g pure NaCl, add into 200g hot distilled water, stir it. Then wait till to room temperature. 2. Keep the solution into a brown bottle for one week in room temperature. 3. In room temperature 25°C (77°F), make sure the meter, solution, room temperature all same temperature. The solution AW value should be 0.73~0.77.