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34 Installation and Specifications Measurement Specifications
358
Where p = partial pressure, P
abs
= absolute pressure, and P
H2O
= 42 mmHg @35°C and 100% RH.
Mainstream CO
2
Humidity Correction Factor
Either BTPS or STPD can be selected as the humidity correction factor for the Mainstream CO
2
readings. The formula for the correction calculation is:
Where p = partial pressure, P
abs
= absolute pressure, and P
H2O
= 47 mmHg @37°C and 100% RH.
M3016A Mainstream CO
2
Performance Specifications
CO
2
Range –4 to 150 mmHg (-0.5 to 20.0 kPa)
Accuracy
after 20 minutes warmup and calibration:
For values between 0 and 40 mmHg:±2.2 mmHg (±0.29 kPa)
For values between 40 and 76 mmHg:±5.5% of reading
The specifications are valid for 45% O
2
and N
2
or N
2
O balance. Outside
these conditions the accuracy reaches at a minimum the requirements of
EN864/ISO9918.
Resolution
Numeric: 1.0 mmHg (0.1 kPa)
Wave: 0.1 mmHg (0.01 kPa)
Stability
±1.0 mmHg over a 7 day period
awRR Range 0 to 150 rpm
Accuracy
±2 rpm
Warm-up Time 20 minutes with CO
2
transducer attached for full accuracy specification
Response Time Less than 125 ms (for step from 10% to 90%)
CO
2
Alarm
Specifications
Range Adjustment Delay
etCO
2
High 20 to 95 mmHg (2 to 13 kPa) 1 mmHg (0.1 kPa) M3014A/M3016A: less than 14 seconds
M3015A: less than18 seconds.
etCO
2
Low 10 to 90 mmHg (1 to 12 kPa)
imCO
2
High 2 to 20 mmHg
(0.3 to 3.0 kPa)
steps of 1 mmHg (0.1
kPa)
M3014A/M3016A: less than 14 seconds
M3015A: less than18 seconds.
awRR High Adult/pedi: 10 to 100 rpm
Neo: 30 to 150 rpm
under 20 rpm: 1 rpm
steps
over 20 rpm:5 rpm
steps
M3014A/M3016A: less than 14 seconds
M3015A: less than18 seconds.
awRR Low Adult/pedi: 0 to 95 rpm
Neo: 0 to 145 rpm
M3015A:
settings < 20 rpm: less than 8 seconds
> 20 rpm: less than 18 seconds
M3014A/M3016A
settings < 20 rpm: less than 4seconds
> 20 rpm: less than 14 seconds
Apnea delay 10 to 40 seconds 5 second steps set apnea delay time + 4 seconds
(M3014A/M3016A) or 8 seconds
(M3015A)
P
STPD
P
BTPS
=
P
abs
P
abs
P
H2O
–
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