SIGI EX - rechargeable battery Gas measuring and Gas leak detector Small, rugged aluminium handheld measurement instrument with internal membranpump and reachargeable NiMH-battery. operating time > 10 hours without backlight Measurement ranges: ppm 0 to 10.000 ppm methane % LEL 0 to 50 % LEL methane Vol.% 0 to 100 Vol.% methane Dimensions: 190 x 58 x 34 mm Weight: approx. 475 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3 Gb BVS 05 ATEX E 010 X Temperature range: -20°C <= Ta <= +50°C