3-13
3.10 SpO
2
Specifications
Mindray DS SpO2 Module
All SpO
2
sensors specified in the section Mindray DS SpO2 Accessories meets the following
specifications when used with Mindray DS SpO2 module.
SpO2
Measurement range 0 to 100%
Resolution 1%
Precision
70 to 100%:
70 to 100%:
0% to 69%:
±2 % (adult/pediatric, non-motion conditions)
±3% (neonate, non-motion conditions)*
Undefined.
Refreshing rate 1 s
Averaging time
7 s (When the sensitivity is set to High)
9 s (When the sensitivity is set to Medium)
11 s (When the sensitivity is set to Low)
PR
Measurement range 20 to 254 bpm
Resolution 1 bpm
Precision ±3 bpm (non-motion conditions)
Refreshing rate 1 s
* A study was performed to validate the accuracy of this monitor with 520N SpO2 sensor.
Totally 122 neonates (65 male & 57 female) aged from 1 day to 30 days with a gestation
age of 22 weeks to full term were involved in this study. The statistical analysis of the 200
pairs of data over the range of 72% to 100% SaO2 of this study shows that the accuracy
(Arms) is 2.47 digits, which is within the stated accuracy specification. Another study
performed on adult subjects also shows the effectiveness.
This monitor with 520N SpO2 sensor was validated on adult subjects (1.62% Arms) and
that actual performance in the neonatal population was observed.
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