2-point Adjustment with Indigo - INDIGO201 - GMP251 - INDIGO202
GMP251 User Guide
- Document code
- M211799EN
- Revision
- G
- Language
- English (United States)
- Product
- GMP251
- Document type
- User guide
To make a 2-point adjustment, you need a
low reference and a high reference (select references that are near the low and high ends of
your measurement range). Prepare the calibration references (for example, reference gases with
known concentrations) before starting the adjustment.
To make a 2-point adjustment with Indigo
wireless configuration interface:
-
Open the wireless configuration interface in the browser of your wireless device and
open the Calibration menu.
-
Start the calibration mode with the Start calibration
button.
-
If you need to set environmental compensations, enable and set the required
compensations on the Configuration tab.
-
Remove any possible previous adjustments by restoring the factory adjustment: select
Restore factory adjustment for each parameter you are adjusting.
-
Enter the calibration date and calibration information into the corresponding text
fields.
-
Place the probe in the first reference environment (adjustment point 1) and wait until
the measurement has stabilized.
-
Enter the value of the first reference (for example, 0 if
calibrating with a 0 ppmCO2 reference gas) into the Reference value,
point 1 field.
-
After you enter the reference value, the value of the Measured value, point
1 field updates automatically.
-
Place the probe in the second reference environment (adjustment point 2) and wait until
the measurement has stabilized.
-
Enter the value of the second reference (for example, 2000 if
calibrating with a 2000 ppmCO2 reference gas) into the Reference
value, point 2 field.
-
When both reference points have been entered, select Store
adjustment to save the adjustment.
-
Close the calibration mode with the Stop calibration
button.
-
To check that the adjustment was carried out correctly, review the information in the
Adjustment data fields at the bottom of the view.