Each detector has a built-in pump and comes with automatic calibration (A-CAL) firmware, shoulder strap (SS-301), standard probe (SP-306), dust & water block filter (WF-301), straight hose (QH-042), set of batteries, short guide, and operating manual. Detector weighs 3.2 pounds (1.45 Kg.) and has a rotary switch selectable scales and runs 12 hours on a set of two D batteries.
The RGO-322 displays 0 to 100% Gas and 0 to 40% Oxygen. The % Gas scale displays peak and sustained bar hole gas readings. If you prefer to display both % LEL and % Gas, please select the RGO-321.
