PWC100 Present Weather Sensor Calibrator
Quick look LED status table
Ready/complete state
Running state
Test
state
Left Center Right Left Center Right
Visibility
test
Flash
Flash
ON
ON
Visibility maximum
range test
Flash Flash
ON ON
Velocity test position 1
(Center)
Flash
ON
Velocity test position 2
(Left)
Flash
ON
Velocity test position 3
(Right)
Flash
ON
Final result states
Calibration passed
ON
ON
ON
Calibration required
Flash
Flash
Flash
Error conditions
Fault occurrence during
tests
Flash
Flash
4. Cleaning Guide
It is important to ensure that the visibility and velocity disks are clean prior to
use. Finger prints and small quantities of dust should not impair performance
significantly, but it is highly recommended that the disks are kept clean and
care is taken to ensure the surfaces are not scratched, cracked or damaged. A
cleaning agent that does not leave a residue such as isopropyl alcohol or a
product specifically designed to clean optical equipment should be used along
with a lint free cloth.
5. Calibrator Safety Guidelines
During the velocity tests, the calibration disk will be rotated at a moderate
speed.
It is recommended that the user visually checks the disk for any cracks or
distortions on its surface. If the disk is cracked or distorted in any way, the
tests should not be performed as this may cause an incorrect result or even
damage to the calibration unit. Campbell Scientific should be contacted for
advice about any damage that may have occurred to the disk.
When performing the tests, the operator should stand more than two meters
from the calibrator. This prevents the operator from interfering with the results
by causing reflections, and keeps the operator away from the rotating disk.
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