Philips 862474 ユーザーズマニュアル

Measuring and Displaying Parameters

Specifications  

Complies with EN 864/ISO 9918

 

Range

0 to 98 mmHg (0 to 13 kPa), or 13% 
CO

2

 whichever is lower.

Flow Rate

50 ±7.5 ml/min

Warm-up Time

180 seconds max.; typically 30 seconds

Gas Sampling Delay Time

2.7 seconds

Numeric

1.0 mmHg (0.1 kPa)

Wave

0.1 mmHg (0.01 kPa)

Rise Time

190 ms for adult mode (measured with 
sample line for humidified ventilation 
and airway adapter for adult)

Calibration Interval

4,000 operating hours

Auto Zero Interval

< 2% duty cycle. Increases if the 
temperature change by 8

o

C from the 

previous Auto-Zero interval, or the 
pressure changes by 45 mmHg.

Leak Tightness

< 40 mbar/min with 30% vacuum

a

a. Accuracy applies for respiration rate up to 80 b/min. For respiration rate above 80 b/min, the 

accuracy complies with EN 864/ISO 9918 (4 mmHg or ±12% of indicated value, whichever 
is greater) for End-tidal CO

2

 values exceeding 19 mmHg. The above accuracy is maintained 

to within 4% for the following gas mixtures: CO

2

: 0 - 13%; N

2

: 0 - 97.5%; O

2

: 0 - 100%; 

N

2

O: 0 - 80%; H

2

O: Dry to saturated. 

0 - 20 minutes

0 to 38 mmHg ±4 mmHg; 38 to 99 
mmHg ±12% of indicated value

> 20 minutes

0 to 38 mmHg ±2 mmHg 
38 to 99 mmHg ±5% of indicated value 
+ 0.08% for every 1.0 mmHg above 40 
mmHg.