Philips M3001A Service Manual page 74

M3/m4 monitors,measurement server,measurement server extensions
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Mainstream CO
Measurement
2
• O
• Humidity Correction—This correction is selectable between Body Temperature Pressure
Saturated (BTPS) and Standard Pressure Temperature Dry (STPD). The Extension meas-
ures BTPS and uses this correction formula:
• Max Hold—There are three possible selections:
Safety
To ensure the safety of the patient, the patient-applied part is isolated from ground by opto-
couplers and a transformer. The circuit is also encapsulated in plastic.
58
Correction— There is a fixed correction of 45% O
2
P
P
=
STPD
BTPS .
where P
= 47mmHg
H20
Off—The EtCO
numerics display the breath-to-breath value.
2
10 seconds—The EtCO
numerics display the highest value within a moving window
2
over a 10-second period.
20 seconds—The EtCO
numerics display the highest value within a moving window
2
over a 20-second period.
.
2
P
abs
P
P
abs
H2O
Introduction to the Instrument

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