Environmental Specifications
Temperature Ranges | 
  | 
Operating Temperature (Independent of altitude)  | 0oC to 35oC  | 
Humidity | 
  | 
Operating   | 20% to 80%  | 
5% to 95%  | |
Altitude | 
  | 
Operating  | 0 to + 12,000 feet [3,658m].  | 
  | Equivalent to 14.7 to 10.1 psia.  | 
0 to + 40,000 feet [12,192m].  | |
  | Equivalent to 14.7 to 4.4 psia.  | 
Elo TouchSystems 15A1 User Guide 43