Welch Allyn 300 Series Vital Signs Monitor - User Manual User Manual
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Chapter 7 Reference
Welch Allyn Vital Signs Monitor 300 Series
Characteristic
Specification
Notes
Temperature
Temperature
Measurement Range
80
F to 110 F
26.7
C to 43.3 C
Temperature Calibration
Accuracy
± 0.2
F (± 0.1 C); meets or exceeds ASTME1112-00; EN12470-3:2000
Temperature
Determination Time
predictive
(typical)
oral
axillary
rectal
4 seconds
10 seconds
15 seconds
SpO
2
Characteristic
Specification
Notes
All sensors have a measurement range of
70% - 100%. SpO2 complies with EN ISO
9919:2005.
Saturation (% SpO
2
)
Range
Resolution
1% to 100%, but limited by sensors and by sensor manufacturers’ technology
1%
Alarm limits
50% to 98% (lower)
52% to 100% (upper)
Probe accuracy (adult,
pediatric, neonate)
Accuracy for saturation levels below 70% is unspecified.
Pulse rate alarm limits
25 to 298 beats/min (lower)
27 to 300 beats/min (upper)
Pulse rate accuracy
± 3 beats/min typical; varies with sensor model
Display update interval
at the monitor
1 second
Alarm hold
-
off period
10 seconds; resets if the sensor reports levels within limits before 10 seconds elapses.
Circuitry
Microprocessor controlled
Automatic self
-
test of oximeter when powered on
Automatic setting of default parameters
Automatic alarm messages
Electrosurgery
interference suppression
Yes
Sensor compatibility
For a complete list of compatible sensors refer to
.
Nellcor
For probe/sensor compliance to EN ISO 9919:2005, see the Nellcor directions for use.
Sensor lights (Nellcor)
Red wavelength
Infrared wavelength
660 nm (nominal), 31.3 mW (max)
920 nm (nominal), 28.8 mW (max)
Risk mitigation: Software in this device is developed under the FDA guidance of Part 802.3 design controls and the
international standard EN 14971 risk management. These mitigate and minimize any risk associated with potential
software errors to a level as low as reasonably possible (ALARP).
Note
SpO
2
specifications are published by the SpO
2
component manufacturer and
tested by Welch Allyn using the BIO-TEK Index 2 SpO
2
simulator.