... high quality low price Product Name: Combustible Gas DetectorProduct ID: SQL-EX-11, diffusion (which ... buttons7, highlight the Backlight8, precision: ≤ ± 5%1. Detection of gas: flammable gas2, detection principle: Electrochemical methods3, detection ... range: 0 ~ 100% LEL,4, Resolution: 1ppm5, detection method: diffusion-type ...