Nellcor N-20 - Electrical; Environmental

Specifications **
ELECTRICAL
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Battery
Type w
Four alkaline "C size batteries
N-20 Battery Capacity ^
Typically 37 hours with four alkaline "C size batteries3
N-20P Battery Capacity W
Typically 32 hours with four alkaline "C size batteries3
Instrument ^
Power Requirements ^
4-6 V,supplied bybattery only w
Patient Isolation ^
No electrical connection to patient (inherently insulated) .
ENVIRONMENTAL ^
Operating Temperature w
Instrument
0 to 40°C w
Sensor
Within physiologic range for specified accuracy W
Storage Temperature w
-20 to 50°C
Humidity w
Any humidity/temperature combination without condensation ^
3. Not all brands of off-the-shelf alkaline batteries provide the same
battery life.
32 *•'