Covidien Nellcor, Руководство оператора

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Sound Pressure
Operator’s Manual 95
11.7
Sound Pressure
Table 11-4. Pulse Oximetry Sensor Accuracy and Ranges
Range Type Range Values
Measurement Ranges
SpO
2
saturation range
1% to 100%
Pulse rate range 20 to 250 beats per minute (bpm)
Perfusion range 0.03% to 20%
Display sweep speed 6.25 mm/sec, 12.5 mm/sec, 25.0 mm/sec
Measurement Accuracy
Pulse rate accuracy 20 to 250 beats per minute (bpm) ±3 digits
SpO
2
saturation accuracy
1
1. Monitoring system measurements are statistically distributed; about two-thirds of
monitoring system measurements can be expected to fall in this accuracy (ARMS) range.
Reference the Clinical Studies section for test results. For a complete listing of SpO2 accuracy
across the full line of available Nellcor™ sensors, contact Covidien, a local Covidien
representative, or locate it online at www.covidien.com.
70% to 100% ±2 digits, neonates: ±3 digits
Operating Range and Dissipation
Red Light Wavelength Approximately 660 nm
Infrared Light Wavelength Approximately 900 nm
Optical Output Power Less than 15 mW
Power Dissipation 52.5 mW
Table 11-5. Sound Pressure in Decibels
Alarm Type
Volume Setting
High (7-8) Med High (5-6) Med Low (3-4) Low (1-2)
High Priority 83.6-87.4 dB 74.1-77.9 dB 65.6-69.5 dB 57.6-61.1 dB
Medium Priority 82.0-84.7 dB 70.2-74.8 dB 64.5-66.9 dB 53.6-57.9 dB
Low Priority 77.2-81.7dB 69.5-72.6 dB 60.1-63.8 dB 50.8-56.0 dB