Equipment built according to the ASTM E-662 rules which allows to take samples from smoke optical density chamber, for the analysis of gas according to the methods of: AITM 3.0005 - BSS 7239. Probe equipped with external couplings diameter 6 mm. Membrane vacuum pump, N. 2bottles for gas washing, Needle valve, range 0,5-3 lt./min. Digital Display for instrument on-off. Indicator for pump on-off Digital Display for on-off signal during two times of withdrawal (A- B) accessories: n.2 bags, capacity 25 lt.