15
10. After the second 24 hour equilibration period, open the 2nd jar and while keeping the jar opening
covered as much as possible, quickly remove the Kestrel unit and start the second calibration routine by
scrolling to Start 2 in the Humidity Cal menu and pressing Select. Start 2 will change to say Running 2
and the number of seconds will countdown till the second calibration measurement is taken.
11. Return the Kestrel to the second jar and after ensuring the lid is closed tightly, return the jars to the
zipper case and if using, return the zipper case to the insulated cooler. Make a note of what time the
calibration routine will end.
12. After the countdown for the second calibration measurement has ended, remove the Kestrel from the
second jar. To confirm the second calibration period is complete check that the line showing Running 2
is displaying Start 2 again.
13. Press the Exit button to return to the normal mode of operation. Wipe or rinse the unit clean. Your
Kestrel is now recalibrated and ready to take accurate measurements.