Simple operation with pumpthe rugged gasalertmax xt ii reliably monitors for a period of up to four gas hazards and combines straightforward one, Button field operation with an integrated sampling pump. Tamper, Proof, User, Adjustable options enable the instrument to be customised to match your application. Confined space entry and remote sampling have never been so easy with new, Intelligent smartsample pump technology. Minimise pump blockages and improve remote sampling result accuracy. Operated by a rechargeable battery pack that provides runtime for an entire 13 the compact, Hour shift gasalertmax xt ii comes with standard event logging and datalogging. The gasalertmax xt ii is fully designed to function alongside the microdock ii automated test and calibration system. General specifications size 5. 1 x 2. 8 x 2. 0 in. / 13. 1 x 7. 0 x 5. 2 cm weight 11. 1 oz. / 316 g typical battery life 13 hours @ 32 f / 0 c 10 hours @, 4 f /, 20 c recharges in 6 hours certifications and approvals n class i, Div. 1, Gr. A, B, C, D american bureau of shipping atex x g ii 1 g ga ex iic t4 ia iecex ga ex ia iic t4 x european conformity warranty full two year warranty including all sensors