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Advanced Tube Mode Procedure
1. Follow the procedure described in Basic Tube Mode to take the initial single point reading.
The display will then prompt you with the option to run the STEL measurement. Select 'YES'
to run this measurement.
2. A countdown timer will indicate the remaining test time, and a live STEL reading will be
displayed.
Note that this live reading is for indication only. It is only the final reading at the end of the
test cycle that should be used as reference. The final STEL reading will automatically be data
logged.
3. After 15 minutes, the instrument will display the STEL final reading. Select 'OK'.
4. Once the measurement(s) have finished, the display will prompt you to remove the used
tube. Remove the tube and refit the probe.
Select 'OK' to return to the main running screen. The selected gas will be displayed briefly.
Unrivalled Gas
Detection.
TIGER Select Instrument User Manual V3.2
Page 28 of 73
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