All-in-1 automatic measurement solution for use with Draeger tubes, simultest sets, and sorbent tubes. Bar code reader captures measurement parameters from the bar code on the tube packaging. Offered as pump only to use with your supplied batteries (requires 6 AA), or with NiMH rechargeable battery and 120-240VAC charger. Alkaline Battery Pack No. 36E890, required with AA batteries, sold separately. Includes pump, tube opener, spare parts kit, and Allen wrench.