Respironics 920 Instruction And Service Manual page 45

6. Temperature
-20 to +50 °C
Operating
-30 to +50 °C
Non-operating
7. Humidity
10 to 90% non-condensing
Operating
Non-operating 10 to 95% non-condensing
8. Power Requirements 6 AA alkaline batteries
100 hours typical operation
(maximum display brightness)
200 hours typical operation
(minimum display brightness)
9. Patient Isolation > 12 MΩ
10. Leakage Current Not applicable
11. Dimensions 3" wide x 6" high x 1" deep
8 cm x 15 cm x 2 cm
12. Weight 10 oz. (280 g) with batteries
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