Integrated pump with a flow rate of approx. 20 l/h. The pump forwards gas via different available probes to the sensors. A nipple incl. filter on the upper side of the housing is used to connect probes to the instrument. Operating time is reduced by approx. 40% compared to diffusion version. Instrument dimensions with integrated pump: 171 x 78 x 43 mm Weight: approx. 380 g