56 Appendix A
Power/Electrical Characteristics
Power/Electrical Characteristics
Up to 40 hours of continuous operation at normal operation
without LED activated under reference to environmental conditions
when full capacity batteries are installed. It is recommended to
charge the battery frequently for maximum efficiency.
Lithium Polymer (Flat cell)
Environmental Effects
The typical time interval needed to stabilize after changes in environmental conditions is 5
minutes for each 10 ºC change.
Temperature
+14 ºF to + 122 ºF (-10 ºC to + 50 ºC) for 143ºC I.S. rating.
+14 ºF to + 104 ºF (-10 ºC to + 40 ºC) for T4 I.S. rating.
-13 ºF to + 140 ºF (-25 ºC to + 60 ºC).
User Interface
Display
Size: 128 x 64 graphic
Keypad
4 keys up arrow, down arrow, run/stop, on/off enter.