MSA Altair® Maintenance-Free Single Gas Detector – O2

Oxygen monitoring sensor to check for argon or metal powder. The sensor should be set between 21-25% oxygen levels.  Gas range: 0-25% Size: 3.4" x 2" x 1" Weight: 4.0 oz. MSA Altair® Maintenance-Free Single Gas Detector – O2 Offers Two Years of Maintenance-Free Operation.Calibration gas & accessories sold separate. Once turned on, 2 year service life and unit is to be thrown away. For measuring Oxygen in the stated Gas range only.PLEASE NOTE: NIOSH does not have a stated analytical method for Argon. Argon concentrations would likely require gas chromatography.PLEASE NOTE: Not for extended high heat applications, ARC flash, Flash Fire, &/or major thermal/energy transfer events. Durable construction withstands tough environmental conditions Rubberized housing provides superior water and dust protection Features fast response time and displays concentration reading with a push of a button Visual, audible, and vibrating alarms alert worker and assure response Featur