
Calibration and Maintenance Fyrite
INSIGHT
Plus Manual
86 0024-9487 Rev 2
5.5. Pressure Sensor Calibration
This procedure calibrates the pressure sensor to a known pressure value.
5.5.1. Materials Required
•
Bellows
•
Manometer
Range: ± 8 in. of water column (± 20 mB)
Accuracy: ± 0.01 in. of water column (± 0.025 mB)
5.5.2. Procedure
NOTE: The unit-of-measure for pressure is selected from the Pressure
Units parameter in the Setup Menu. In the following procedure “inwc”
(inches water column) is selected, but note that any unit-of-measure can
be used for calibration purposes. Below are unit conversions for
reference.
• 249 Pascals/inwc
• 2.49 mB/inwc
• 2.49 hPa/inwc
• 25.4 mm H
2
O/inwc
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