While semiconductor or Electrochemical sensors are commonly used in the market for alcohol testers, there are a few manufacturers that use MEMS sensors, and the price of different sensors varies widely. Fuel cell sensor The fuel cell breathalyzer reply on chemical reactions. The alcohol concentration on a person breathes is the energy for the fuel cell.… Continue reading How to Choose a Proper Alcohol Tester?
How to Choose a Proper Alcohol Tester?
