Sensepoint XCD Technical Manual SPXCDHMANEN Issue 15
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8. If using zero-air, turn it off. Zeroing is complete and saved.
9. The display shows ‘SPAn’ with ‘YES’ flashing.
10.
If span calibration is required use ‘
✓
’ proceed to the next step. If span calibration is not required,
use ‘
’ to select ‘No’ and ‘
✓
’ to return to configuration mode.
9.1.2. Span Calibration
1. The display shows the current calibration span gas concentration while flashing the
‘ ’ icon.
Use ‘
’ to change the calibration span gas concentration, and ‘
✓
’ when
required span
calibration level is set.
2. The display will show the current gas reading, and the ‘ ’ icon flashes.
3. Connect the regulator to the span gas cylinder.
4. Apply the span gas to the sensor using the Sensepoint XCD Gassing Cap (see chapter 3.2 for
description). The live gas reading is displayed. When the reading is
stable, use ‘
✓
’ to confirm
span calibration.
5. If the sensor has been replaced the following display may be shown.
WARNING
When calibrating the Flammable IR or CO
2
IR sensors, it is essential that the span
calibration is done after a zero calibration.
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