You can check our professional calibration video at the following Related Video Shorts. No matter when and where you need to measure water activity, water activity meter is your unique choice. Product Description-----The activity meter can measure bread, biscuits, cakes, puffed foods, snack foods, dehydrated foods, dried fruits, meat clams, preserved fruits, etc. Product Feature-----The can be used to measure the water activity of foods. 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. UNIQUE DESIGN:The unique rose heart design symbolizes eternal love, when she wears this necklace, she will be reminded of your love. 925 Sterling Silver Rose Heart Birthstone Necklace Wife Gifts The can be used to measure the water activity of foods. Mold Meter Portable Water Activity Meter WA-60A Digital Display Water Activity Meter Food B Microbial Testing No matter when and where you need to measure water activity, WA-160A water activity meter is your unique choice. Then open the battery cover on the back, there are 2 small hole below the battery slot. Product Description The Water Activity Meter mainly reflects the amount of free water in the state of food balance, the stability of food and the possibility of microbial reproduction, and the chemical, enzyme and physical changes that can cause the change of food quality. 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... Use a small hard bar (such as screwdriver) to slightly touch the key inside, the correction value will be increased or decreased . Technical Parameters-----Display: 6 bit backlight LCD digital display, 3 bit humidity aw, 3 bit temperature display Range: 0~1.0aw Resolution: ±0.01aw Accuracy: ±0.02aw : Non conductive humiditySampling Time: 5 Minutes Operating condition: Temp: 0~50°C (32~122°F) Humidity: <95%RH Power supply: 2x1.5V AAA Um-4 Battery Size: 135x70x44mm Weight: 100g (Not including batteries) Standard Accessories * Main Unit * Sample Plate * Carrying Case * Operation Manual . Measuring Procedure------4.1 Press the power key to switch on the power and the gauge enters the auto mode which can automatically test the water activity. 4.2 Put the samples into the sample plate, and then cover the of the gauge onto the sample plate. AMTAST Water Activity Standard 0.75aw NaCl Solution Used for Water It has automatic shutdown, manual shutdown function and undervoltage alarm indication function. It is often used to measure the dryness enduring ability of the microorganisms . The can be calibrated at 2 points. Then release the key when the signal ‘Cor’, comes out on the display. The bottom of the battery is 2 points calibrated under the battery.
