Introduction
18 EasyOne Pro™ / EasyOne Pro™ LAB
1.12 Test Gas Requirements
DLCO Test Gas
Caution
Patient Hazard, Incorrect Measurements—
Observe local regulations. Use only medical-grade gases, if
required.
Make sure that only ndd-approved gas mixtures are used. If
the gases used do not meet the ndd specifications,
equipment malfunction may occur and the test results may
be incorrect.
Gas mixture: 10% helium, accuracy +
10%; 0.3% carbon monoxide, accu-
racy +10%;18 to 25% oxygen, balance nitrogen
DLCO simulator test require gas mixtures with an accuracy <
2%.
Note
You can purchase all necessary gases and cylinders as well
as the fittings from your local supplier of medical gases.
Equipment not intended for mobile use can also be used
with large gas cylinders.
Use only the supplied original tubing to connect the gas
cylinder to the device.
Use only the original gas supply tube to connect the valve
unit to the device.
Fig. 1-2 Flow sensor
ultrasound sensor 1
ultrasound sensor 2
integrated mouthpiece
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