Gas detection device for easily locating even the smallest leaks in water and heating systems – special hydrogen sensor with a resolution of 0,1 ppm H2 – extreme rapid reaction on smallest hydrogen traces – second sensor for exact pinpointing and localisation in pinholes – integrated pump with high power for flow and for negative pressure operation time: > 10 hours without backlight measurement range: 0 to 1000 ppm H2 0 to 5 Vol.% H2 in N2 dimensions: 200 x 100 x 87 mm weight: approx. 1100 g temperature range: -10°C to +50°C