MSA Watchman™

Watchman™ Confined Space Kit
All the features of the Passport™ 4-in-1 Personal Alarm (18779)in a rugged, portable aluminum housing to withstand harsh treatment. It's perfect for manholes, storage tanks, tank cars, vaults, mines and sewers. Simultaneously displays the readings of all gases monitored. Menu-driven for simple operation-only three buttons make training new users easy.
Specifications: Kit includes monitor, charger, 10 ft. hose and an 18 in. probe. Built-in protective function will not allow instrument to be zeroed out in a non-fresh atmosphere to ensure safety. Fresh air setup automatically sets the oxygen sensor at 20.8% and all other sensors at zero. Tagging feature allows the user to enter a 10 letter location i.d. to record sampling locations. Built-in pump allows you to perform continuous monitoring for more than 10 hours. Calibration Gases sold separately. Data Docking Module (25861), sold separately, permits data to be stored and downloaded into a PC.