MSA's Orion Multigas Detector is a low-cost four-gas portable detector featuring one-button calibration, rugged construction with excellent resistance to dust and water penetration, and a 16- to 20-hour run time. With an internal pump and charger included, the new multigas detector is priced below most competitive four-gas detectors now on the market. 

The Orion Multigas Detector detects O₂, H₂S, CO, and combustible gas and is used for confined space entry in industrial, agricultural, and other environments as well as by fire and rescue personnel.  Deluxe models come with calibration kit.

Key features:

• One-button calibration for simple use

• One of the largest display areas of any four-gas monitor, with great contrast for easy reading

• It's designed and built to survive a 6-ft drop; has an environmental protection rating of IP54

• 16-hour run time in pumped mode; it accommodates either NiMH or alkaline batteries, and the battery packs are interchangeable

• Internal pump for convenient remote sampling

• A keypad with simple, intuitive, 2-button operation

• Sensors that are easy to change