Smiledrive brings the most accurate nitrate detecting device to India. Greentest accurately detects dangerous nitrate content in more than 50 fruits, vegetables, meat and fish. Greentest technology helps to detect the weight concentrations of salt ions such as: (Cl) chloride, (SO4) sulphate, (NO3) nitrate and (NO2) nitrite-ions and calibrates to show the precise amount of nitrate ions. High Nitrate levels are commonly found in the fresh produce we consume due to excessive use of chemical fertilisers. Eating food with a high concentration of nitrates can lead to serious health complications. Check your food with Greentest before eating and ensure your family is having safe-to-eat food. Key features: 1) The most accurate Digital Nitrate tester: Check dangerous Nitrate content in more than 50 fruits, vegetables and meat. High nitrate contents are found in produce that uses excessive fertilizers 2) Test Fruits, Vegetables, Meat and Fish with Greentest before eating: Eating produce with high nitrate can cause serious health complications, test before using/eating Fruits, Vegetables, Meat and Fish and keep your family healthy 3) Easy to use: Choose a fruit/vegetable/meat you want to test, insert the probe and press "start test" and get readings in under 3 seconds 4) Laboratory Level Food Test: The accuracy of GREENTEST measurements of nitrate content is 90%. This accuracy has been certified through rigorous testings by international laboratories and specialized institutions 5) Warranty Details: Call Smiledrive on 1800-1234-414 (10 AM- 6 PM, Mondays through Saturdays) for setup/installation guidance. 6 months warranty against manufacturing defect for this product when bought from Smiledrive.