... : 0~100% LEL 3)accuracy:5% Combustible Gas Detector Model: SPD202/ExShenzhen Sanpo Instrument Co.,Ltd (A1 ... 1. IntroductionSPD202 combustible gas detector can be used in hazardous areas indoors and outdoors, where combustible gas is produced, stored, ... LPG (Liquefied Petroleum Gas) station , pharmaceutical, gas transmission and distribution, etc. to detect the leakage and show the leaking concentration ...