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The system features a 6-layer filtration process to remove various pollutants such as oil, water, and particulates. It can be used with other compressors to provide clean air to up to 6 people.

The DR1900 is ideal for field use because it is the most compact and lightweight portable spectrophotometer. It features an enclosed rugged exterior and the largest number of preprogrammed methods in any portable instrument.

StrikeAlert HD is the first personal lightning detector with a graphical display that shows you the lightning strike distance (from 0 - 40 miles away) as well as a 1-hour storm trend and intensity.

Rugged, reliable performance and superior arc characteristics. Hot start and built-in arc control. Enclosed circuit board, automatic thermal overload protection with indicator light, fan on demand.