Welch Allyn 420 Series - Performance Specifications; Patient Population; Blood Pressure Accuracy

16 Welch Allyn
Maximum and Minimum Pulse Rate Ranges
The maximum and minimum pulse rate ranges are as follows:
Performance Specifications
Patient Population
The Welch Allyn Spot Vital Signs is designed for use with adult and pediatric patients. Welch
Allyn defines a pediatric patient as 29 days old or more.
THE WELCH ALLYN SPOT VITAL SIGNS IS NOT INTENDED FOR USE ON NEONATES .
Welch Allyn defines neonates as children 28 days or less of age, born at term (37 weeks gesta-
tion or more), otherwise up to 44 gestational weeks.
Cuff Pressure Range
0 mmHg - 300mmHg
Initial Cuff Inflation
160 mmHg
Systolic Determination
Maximum: 250 mmHg
Minimum: 60 mmHg
Diastolic Determination
Maximum: 160 mmHg
Minimum: 30 mmHg
Blood Pressure Accuracy
Blood pressure accuracy meets or exceeds SP10-1992 AAMI standards for non-invasive blood
pressure accuracy (AAMI standard: ± 5 mmHg mean error, 8 mmHg standard deviation). Blood
pressure accuracy is validated for pressure measurement using the upper arm only.
Blood Pressure Determination Time
Typical: 20 to 45 seconds
Maximum: 165 seconds
Pulse Rate Determination (using SpO
2
determination)
Maximum: 245bpm
Minimum: 25bpm
Measurement Maximum Minimum
Using BP determination 200 bpm 40 bpm
Using SpO
2
determination 245 bpm 25 bpm