✦【FOOD WATER ACTIVITY TESTER】The water activity meter accurately measures water activity in foods, grains, fruits, and vegetables, It is often used to measure the dryness enduring ability of the microorganisms.By measuring the water activity, the shelf life of food, grain and fruits and vegetables can be judged ✦【AW MOISTURE METE TOOLS】This is a real portable water activity meter, with a weight of only 100 grams, lighter than a mobile phone, and a precision of 0.02 aw, easy to measure water activity anytime and anywhere. Easy reading, water activity and temperature of the samples displayed together. Use USB data output to connect with PC. ✦【FAST TESTING】Measures the water activity in 5 minutes. Sensors and readings 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. ✦【LCD DISPLAY】The Grain Moisture Tester with easy-to-read display backlight lcd shows humidity (aw) and sample temperature together,providing a clear picture of your Measurement results ✦【APPLICATIONS】The Smart Food Water Tester can measure the water activity of bread, biscuits and pastries/puffed/baked foods, snack foods, dehydrated foods, dried jams (salads, tomatoes), etc.