Zeebeetronics manufactures LPG Leak Detector. Zeebeetronics also offers electrostatic discharge [ESD] test, measuring and control instrumentation. LPG Leak Detector is available in two models, Model Z-12DC and Model Z-230AC. It is a compact electronic device which detects the presence of LPG or LNG in the air. It switches on a relay at less than 1/4th of LEL [Lower Explosive Level] thereby warning much before the escaped gas can pose a fire hazard. There is also a visual warning LED. Model Z-12DC of LPG Leak Detector operates on 12V DC supply and has been specifically designed for use with Security panels as well as in LPG/LNG run vehicles. Another model, Z-230AC is designed for direct mains operation and is supplied with a mains adaptor.