Nellcor NPB-75, Service Manual

Page: 67 / 71

Section 12: Specifications
12-4
12.5 POWER SPECIFICATIONS
12.5.1 External Power Source
12V DC Medical Grade Adapter
12.5.2 Internal Power Source
Ni-MH Rechargeable Battery Pack 7.2V 2100 mA/h (intended for
continuous operation)
Operating Time (fully charged)
Between 3 to 6 hours depending on power management. This spec reflects
the performance of a new battery; age and usage will degrade capacity.
Note: If the battery pack is stored for 6 months or longer, you must charge
and discharge it (leave the unit on, not connected to AC power, until
battery is empty) three times before use in order to ensure full
capacity.
Recharging Period
Approximately 4.5 hours internal recharging
Charger Type
Internal
12.6 COMPONENTS AND USER INTERFACE
12.6.1 Displays
LCD graphic display
(128 x 64 dots) with LED backlight dimension 75 mm x 53 mm.
Two numeric fields
3 digits each, using 7-segment LED graphic display dimension 22mm x 14
mm.
Two-color alarm bar
yellow, red
12.6.2 Controls and Indicators
Front Panel
ON/OFF switch; Alarm Silence/Alarm Menu button; Contrast/Value
Change button; Event/Home button; Next/Menu button.
12.6.3 Connections
Front Panel
CO
2
Input connector
Top Panel
SpO
2
Input socket
Rear Panel
Clamp connector, battery release button
Side Panel
Power Supply/Communication Adapter Port, Gas output connector