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NomoLine ISA CO2
Effects from Water Vapor Partial Pressure on Gas Readings
When the breathing gas flows through the sampling line, the gas temperature will adapt to
the ambient temperature before reaching the gas analyzer. The measurement of all gases will
always show the actual partial pressure at the current humidity level in the gas sample. As
the NOMO section removes all condensed water, no water will reach the NomoLine
Capnography gas analyzer. However at an ambient temperature of 37 °C and a breathing gas
with a relative humidity of 95% the gas reading will typically be 6% lower than corresponding
partial pressure after removal of all water.
Interfering Gas Vapor Effect
Gas or Vapor
Gas Level
N
O
60 vol%
4
2
HAL
4 vol%
4
ENF, ISO, SEV
5 vol%
4
DES
15 vol%
4
Xe (Xenon)
80 vol%
4
He (Helium)
50 vol%
4
Metered dose inhaler propellant
Not for use with metered dose inhaler propellants
4
C
H
OH (Ethanol)
0.3 vol%
4
2
5
C
H
OH (Isopropanol)
0.5 vol%
4
3
7
CH
COCH
(Acetone)
1 vol%
4
3
3
CH
(Methane)
3 vol%
4
4
CO (Carbon Monoxide)
1 vol%
5
NO (Nitrogen Monoxide)
0.02 vol%
5
O
100 vol%
5
2
Note 1:
Negligible interference, effect included in the specification "Accuracy, all
conditions" above.
Note 2:
Negligible interference with N
O / O
2
in the specification "Accuracy, all conditions" above.
Note 3:
Interference at indicated gas level. For example, 50 vol% Helium typically
decreases the CO
readings by 6%. This means that if measuring on a mixture containing 5.0
2
vol% CO
and 50 vol% Helium, the actual measured CO
2
(1-0.06) * 5.0 vol% = 4.7 vol% CO
.
2
Note 4:
According to the EN ISO 80601-2-55 standard.
Note 5:
In addition to the EN ISO 80601-2-55 standard.
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Chapter 6: Specifications
CO
2
_
2
_
1
+8% of reading
3
+12% of reading
3
-10% of reading
3
-6% of reading
3
_
1
_
1
_
1
_
1
_
1
_
1
_
2
concentrations correctly set, effect included
2
concentration will typically be
2
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Masimo
NomoLine ISA CO2
Guidance and Manufacturer's Declaration-Electromagnetic
Emissions
This section constitutes the guidance and Masimo's declaration regarding electromagnetic
emissions for NomoLine ISA CO2.
The NomoLine ISA CO2 system is expected to be used in professional environments like
intensive care units, patient rooms and operating suites except near high frequency electro
surgical equipment and magnetic resonance imaging (MRI) systems. The NomoLine ISA CO2
system is also intended to be used in emergency medical services as road ambulances.
The NomoLine ISA CO2 system is intended for use in the electromagnetic environment
specified in the tables below. Customers or end users of the NomoLine ISA CO2 system
should assure that the NomoLine ISA CO2 system is used within the intended environment.
Guidance and Manufacturer's Declarations - Electromagnetic Emissions
Emission Test
Compliance Electromagnetic Environment - Guidance
The NomoLine ISA CO2 system uses RF energy only for its
RF Emissions
internal function. Therefore, its RF emissions are very low
Group 1
CISPR 11
and are not likely to cause any interference in nearby
electronic equipment.
The NomoLine ISA CO2 system is suitable for use in all
establishments including domestic and those directly
RF Emissions
Class B
connected to the public low-voltage power supply
CISPR 11
network that supplies buildings used for domestic
purposes.
RF Emissions
Suitable for use in passenger cabin or in the cockpit of a
EUROCAE ED-14G
transport aircraft.
or RTCA
Category M
DO-160G,
Section 21
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Chapter 6: Specifications
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