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Technical Information
Capnography Specifications
* Presented concentration of CO
2
and EtCO
2
can be false, indicating a high presence of nitrous oxide and other
interfering gases.
The table below shows the CO
2
and EtCO
2
concentration corrections. Only use agents listed in
the table below.
Respiration Range:
0 to 99 respirations/minute
Respiration Accuracy:
3 to 50 respirations/minute ±2
51 to 60 respirations/minute ±3
EtCO
2
/CO
2
Range:
0 to 99 mmHg (0 to 13.2 kPa)
EtCO
2
/CO
2
Accuracy:
±0.2 kPa / ±2 mmHg, +8% of reading*
540 – 795 mmHg (720 – 1060 hPA)
(EtCO
2
/CO
2
reading reaches its steady state accuracy within
10 minutes after power up. From maximum storage temperature,
monitor reaches steady state accuracy 19 minutes after power
up.)
Calculated Update Frequency:
Once every breath (“NO BREATH” alarm after 30 seconds)
Sampling Rate:
4 Hz (4 times per second)
Total System Response Time:
<6 seconds (includes delay time and rise time)
Drift of Measurement:
Within CO
2
accuracy specifications for 6 hours of continuous
monitoring
Measurement:
Automatic barometric pressure compensation and
CO
2
temperature compensation
Agent Concentration
Correction of Presented CO
2
to Real Concentration
50 – 70% N
2
O
Presented CO
2
x 0.75 = Actual CO
2
30 – 50% N
2
O
Presented CO
2
x 0.85 = Actual CO
2
0 – 30% N
2
O
No correction