Vaisala Indigo300 - Page 53

1. Connect the transmitter to the indicator.
2. Open the main menu by pressing .
3. Select Devices. If you have more than one device connected to the indicator, make a
further selection between the devices.
In this case, select the probe connected to the transmitter. For example, if the transmitter
is connected to port 2 of Indigo80, the connected probe is identified with icon 2A on the
Indigo80 display.
4. If the probe connected to the transmitter supports the sensor purge feature, wait for the
start-up purge to finish or start the purge manually by selecting Devices > <your device>
> Sensor purge.
5. Select Calibrate / Adjust.
6. Select the parameter, for example, Relative humidity.
7. Select Manual adjustment.
8. Place the probe to the first reference point and select Reference value, point 1 to open
the stabilizing graph view. Wait for the measurement to stabilize fully.
a. When the reading has stabilized, press .
b. Use the arrow buttons to set the value of the reference, and then select OK or Set.
If you already have the reference and measured values available for your
calibration point(s), you can just skip the stabilizing graph view with the
button to get to the view where you can set the reference value. Then replace
the automatically filled Measured value, point 1 and Measured temperature,
point 1 with your actual values.
9. If you want to adjust the measurement in 2 points, place the probe to the second
reference point. Then scroll down the <parameter> adjustment view and select
Reference value, point 2 to open the stabilizing graph view. Wait for the measurement to
stabilize fully.
a. When the reading has stabilized, press
.
b. Use the arrow buttons to set the value of the second reference, and then select OK or
Set.
10. In <parameter> adjustment view, check the dierence between each reference and
measured value. Very large dierences may be due to insucient stabilization time or
unsuitable calibration setup.
• To store the adjustments to the probe, scroll down and select Activate adjustment >
OK. Confirm by selecting OK.
• To exit without taking the adjustment in use, press
to end calibration.
11. Update the calibration information in Calibrate / Adjust > Calibration information.
Navigate to the Calibration information menu by pressing
.
12. Press to end calibration.
Chapter 7 – Calibration and adjustment
53