Tragbares Atemqualitätsmessgerät, Kammerhygiene-tester, Mundgeruchsüberwachungsgerät, Kreatives Zubehör, Weiß

2、 Specification Description 1. Display test values for orange backlight 2. Digital display of measurement results and warning prompts 3. Measurement range: 0~4 4. Rapid response and recovery 5. Automatic shutdown 6. The detector uses 2 * "AAA" alkaline batteries (not included) Notes: 1. Perform the test at least 20 minutes after drinking alcohol, as it takes approximately 20 minutes for alcohol to be absorbed from the digestive system into the bloodstream Immediately after drinking alcohol The test results can only reflect the alcohol concentration in the mouth at that time, not the alcohol concentration in the blood 2. To ensure accurate test results, please wait for 20 minutes after drinking alcohol before conducting the test, preferably at least 3 minutes after the last test 3. Do not directly wipe the product with chemicals or corrosive solvents to prevent the liquid from flowing into the blowing pipe When there is a high concentration of interfering gas present, the machine will not function properly If tested at low voltage, there will be a certain deviation between the test value and the true value 6. It is strictly prohibited to place and use in enclosed environments containing corrosive gases such as pigments, insecticides, alcohol, or air pollution 7. Unauthorized repair and damage to internal components can lead to product malfunction 8. Prevent the machine from falling from a height or being subjected to severe vibrations