
The 
                    IQ-350 Eagle is a portable instrument which comes equipped 
                    with an Infrared (IR) sensor for detection of Carbon Dioxide 
                    (CO 2 ), Carbon Monoxide (CO), or Hydrocarbons (HCs). 
                    The unit can be optionally equipped with an additional sensor 
                    for the detection of Oxygen. The unit provides a digital display 
                    of gas concentration, built-in sample pump, and audible and 
                    visual alarms. It operates on 4 C size alkaline 
                    or nicad batteries, or the AC adapter/charger. The Eagle comes 
                    standard with 3 ranges which are selectable via a switch on 
                    the front panel.