Fluke Biomedical VT Mobile - Manual (Page 41)

Using the VT MOBILE
Making a Measurement More Accurate
3
3-17
Oxygen Sensor
Source
edg20f.eps
Figure 3-4. Oxygen Sensor Calibration
1. Press P to display the Oxygen measurement screen.
2. Press G to access the Oxygen calibration screen.
ede28s.bmp
3. Connect the High-Flow Sensor and then apply dry air (20.9 % oxygen) at 10 lpm to
either side of the sensor.
4. Press F twice to access the Calibration screen. Wait for the two-minute timer to
count down.
5. Apply 100 % oxygen at 10 lpm.
6. Press G twice and then press F once to access the Calibration screen.
7. After the two-minute interval, the Oxygen measurement screen appears and the
calibration is complete.
Using the Temperature and Relative Humidity Sensor
Use the optional Temperature and Relative Humidity Sensor to compensate for the
conditions of the gas flowing through the High- or Low-Flow Sensor. The Analyzer uses
the gas temperature to improve the accuracy of the flow measurements. Relative
humidity readings provide a reference point for some correction factors. Connect this
sensor to the Analyzer as shown in Figure 3-5.