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                                 High-resolution 3 ½ digit single range LCD 
10 user-selectable analog output ranges for: 0-10ppm, 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-.500%, 0-1%, 0-5%, 0-10% and an air cal. range of 0-25% 
0-1VDC analog output 
Data logger. Logs data for 15 days @ 1min intervals, 30 days @ 2min intervals, etc 
1-2 year life high-performance electrochemical sensor. Optional H2S resistant sensor eliminates the need for an H2S scrubber 
Rechargeable NiCad batteries 
Very compact and rugged 
Designed to meet intrinsic safety requirements 
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