VibraGAS EX HMG2 - rechargeable battery Gas leak detector Small, rugged aluminium handheld gas leak detector with remote sensor on the swan neck and lighted display. Display of gas traces by audible, visual and vibrating alarm. measurement ranges: 0 to 10.000 ppm methane operating time: > 12 hours without backlight and 20°C dimensions: 149 x 58 x 34 mm (plus 172 mm goose neck) weight: approx. 450 g explosion-proof instrument: sign: II 2G Ex ib d IIB T3 Gb BVS 05 ATEX E 010 X temperature range: -20°C < Ta < +50°C