Food Nitrate Tester--Nitrates cause serious disease. It has long been established that excessive nitrates are harmful to health. Nitrates significantly increase the risk of diabetes, Alzheimer's and Parkinson's disease and certain types of cancer. Some researchers believe that the dramatic rise in cancer of the esophagus recorded over recent decades can be attributed to excessive nitrates in fruit and vegetables..Tester For Vegetable and Fruit--Due to the dangers, most jurisdictions tightly control the nitrate content of meat products. Food producers who add nitrates to meat must comply with strict regulations and labelling requirements.Unfortunately nitrate levels in fresh fruit and vegetables are unregulated and unchecked in most places. There are no standards for producers or labelling requirements for sellers..Drinking Water Quality Meter TDS Tester -- Greentest is a modern device for rapid analysis of nitrate content in fresh fruit, vegetables, fish and meat (in 3 seconds). TDS water hardness test (in 3 sec. ).Radiation Detector Geiger Counter --Electromagnetic radiation is probably one of the causes of children suffering from illness. Medical research proves that long-term exposure to high electromagnetic radiation can cause changes in blood, lymph and cell protoplasts. After research by Italian experts, more than 400 children in the country suffer from illness every year. The main reason is that they are too close to the high-voltage line and are subject to serious electromagnetic pollution..Multifunctional Tester--Our company dedicates ourselves to changing the quality of life and protecting us and our children from the infringement of harmful impurities, nitrates and nitrites. As a result, a revolutionary new food safety testing device Greentest, has been developed, which allows detecting fruits and vegetables cultivated improperly and evaluating the concentration of nitrates. It helps us satisfy our "green life" desires to rub the lamp.