| Calibrating BARO‑1 is a demanding,
high-precision task that requires proper facilities. Vaisala recommends that you send the
sensor to Vaisala for calibration. |
You can perform a 1‑point field check of BARO-1 using the Web UI. BARO-1 module is located
inside DMB801.
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Connect DMU801 to your computer with a USB‑C cable.
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Open a web browser, log in to the Web UI, and go to Measurements.
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Under Sensors, select Barometric Pressure (Baro1) (or other name given to the
component).
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In Maintenance, select Calibrate.
The Field Calibration window opens.
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Lift the reference barometer to the same height as DMU801.
| Make sure that the wind does not
interfere with the reading of the reference barometer. |
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Read the reference barometer reading.
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If the reference reading differs from the BARO‑1 measurement with more than 0.2 hPa,
type this reference reading in Reference pressure.
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Select Calculate offset.
The offset (measured value − reference reading) is shown.
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To save the changes, select Save.
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Repeat the calibration if necessary.
| If you later want to check the
latest offset value, you can always do it in . |