1. Display range: TA8408A: analog bar display 0-9999ppm, TA8408B: 0-9999ppm, percent 0.00-20.00LEL 2. Detection gas: acetone, acetylene, alcohol, ammonia, stupid, butane, ethanol, gasoline, methane, varnish, ethane, propane, etc. 3. Warm-up time: about 30s 4. Display: TA8408A: analog bar, TA8408B: digital and analog bar 5. Alarm mode: sound and light alarm 6. Zeroing method: TA8408A: automatic zeroing, TA8408B: automatic and manual zeroing 7. Functions: concentration buzzer alarm, alarm sound on/off function, automatic shutdown, low battery prompt (TA8408B can switch units, display ambient humidity) 8. Power supply: 1.5V AAA battery x3 (not included) 9. Size: about 15.3x6x3 cm, hose length about 40 cm Features: 1. Can detect a variety of combustible gases, convenient and safe 2. High sensitive response speed, can detect the leakage of combustible gas in pipeline/equipment/regulator 3. High-precision semiconductor sensor, metal wear-resistant probe, four-hole airway design, anti-interference gas filter 4. Sound and light double alarm, analog bar display and buzzer double alarm 5. High-definition VA color screen, the display status can be clearly viewed in the dark environment 6. The gooseneck is made of all-metal material, which can be bent at will, which is convenient for detection
