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Guides and repair information for the Nellcor Puritan Bennett NPB-195, a portable pulse oximeter made by Mallinckrodt’s Nellcor division.

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[flag|biomed]

== Background and Identification ==

The Nellcor Puritan Bennett NPB-195 is a portable pulse oximeter made by Mallinckrodt’s Nellcor division. Pulse oximeters are non-invasive devices used to monitor a patient’s oxygen saturation. The Nellcor division focuses mainly on producing pulse oximeters and oxygen monitors.

The NPB-195 is intended for continuous measurement of the patient’s functional oxygen saturation of arterial hemoglobin and pulse rate. A plethysmographic waveform or a ten-segment bar is used to indicate pulse intensity. The pulse rate and oxygen saturation are displayed digitally. It is designed for use with adult, pediatric, and neonatal patients. This model can be used in hospitals or hospital-type facilities, during intra-hospital transport, and in homes. The NPB-195 model operates either on AC power or on a rechargeable internal battery.

The NPB-195 pulse oximeter includes the name “NELLCOR PURITAN BENNETT” printed in capital letters above the device’s display. The model number, ‘NPB-195,’ is also printed above the monitor’s display. Using four softkeys on the front of the monitor, the operator can choose the language, adjust the internal time clock, access trend information, set alarm limits, and change communications protocols.

For troubleshooting, disassembly, and repair information, see the [document|8668|Nellcor Puritan Bennett NPB-195 Service Manual]. Common problems include failure to power on, randomly shutting down, failure to respond to buttons, non-responsive display, faulty readings, and failure of the serial port to function properly.

== Technical Specifications ==

GENERAL

* Designed to meet safety requirements of: UL 2601-1 CSA-C22.2 No. 601-1-M90, IEC 601-1 (Class I, type BF), ISO 9919, EMC per EN 60601-1-2.

ELECTRICAL

* Protection Class: Class I: per I.E.C. 601-1, clause 2.2.4
* Degree of Protection: Type BF: per I.E.C. 601-1, clause 2.2.26
* Mode of Operation: Continuous
* Battery:
** Type: Rechargeable sealed lead-acid, internal
** Operating time: 6 hours minimum on new, fully charged battery with no backlight or alarms
** Recharge period:
*** 14 hours for full charge (in standby)
*** 18 hours for full charge (in use)
* Fuses: 2 each 5 x 20 mm, 0.5 Amp 250 volts

AC Power

* Selectable by switch
** 100-120 VAC 50/60 Hz or
** 200-240 VAC 50/60 Hz

PHYSICAL CHARACTERISTICS

Dimensions: 3.3 in. H x 10.4 in. W x 6.8 in. D, 8.4 cm H x 26.4 cm W x 17.3 cm D

Weight: 5.7 lbs, 2.6 kg

ENVIRONMENTAL

* Operating Temperature: 5°C to 40°C (+41°F to +104°F)
* Storage Temperature: -20°C to +70°C (-4°F to +158°F)
* Operating Altitude: -390 m to +3,048 m (-1,280 ft. to +10,000 ft.)
* Relative Humidity: 15% RH to 95% RH, noncondensing

ALARMS

* Alarm Limit Range
** % Saturation: 20–100%
** Pulse: 30–250 bpm

FACTORY DEFAULT SETTINGS

* SpO2 High: 100%
* SpO2 Low: 85%
* Pulse Rate High: 170 bpm
* Pulse Rate Low: 40 bpm
* Alarm Volume: Level 5
* Alarm Silence Duration: 60 seconds
* Alarm Silence Restriction: Off with a reminder
* Pulse Beep Volume: Level 4
* Baud Rate: 9600
* Display: Pleth
* Trend: Saturation
* Contrast: Mid-range
* Language: English

PERFORMANCE

* Measurement Range
** SpO2: 0–100%
** Pulse/Heart Rate: 30–250 bpm
* Accuracy:
** SpO2
*** Adult:
**** 70–100% ± 2 digits
**** 0–69% unspecified
*** Neonatal:
**** 70–100% ± 3 digits
**** 0–69% unspecified
* Pulse Rate (optically derived): 20–250 bpm ± 3 bpm

== Additional Information ==

[link|https://www.keebomed.com/products/nellcor-puritan-bennett-npb-195-pulse-oximeter|Nellcor NPB-195 Product Page]

[link|https://www.amazon.com/Nellcor-NPB-195-Medical-Battery/dp/B00A82KA0A|Nellcor NPB-195 Replacement Battery on Amazon.com]

[link|http://www.veterinarytechnics.com/wp-content/uploads/bestanden/manuals/Manual_Nellcor_N395.pdf|Nellcor NPB-195 Service Manual]

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Nellcor NPB-195 Service Manual.pdf

Nellcor NPB-195 Bedienungsanleitung_DE.pdf

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