MSA 10074137 Altair Pro Single-Gas Detector - Oxygen (O2)

Unit detects O2, ClO2, HCN and PH3

Gas concentration (chlorine dioxide, hydrogen cyanide and phosphine) or percent oxygen displayed on a large, clear, backlit LCD

Automatically records the last 50 alarm/test events while simultaneously recording peak gas readings or low O2 readings every three minutes in a 

periodic data log

User can read data or change alarm set points by connecting unit to MSA Link via built-in IR communication port

Adjustable alarm set points

No-miss quad alarm system includes bright flashing LEDs, piercing audible alarm, LCD notification, and an internal vibrating alarm

Rubberized armor housing and one-button operation for maximum durability and simplicity

Easy alarm check, bump check, fresh air zero, and calibration

Easily replaceable batteries and sensors