... brand high quality low price Product Name: Combustible Gas DetectorProduct ID: SQL-EX-11, diffusion (which ... highlight the Backlight8, precision: ≤ ± 5%1. Detection of gas: flammable gas2, detection principle: Electrochemical methods3, detection range: 0 ... % RH12, Dimension: 115 × 55 × 28mm13, Weight: 140gApplicable to mining, metallurgy security ring, Chemical Services and other occasions Combustible ...