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6. Insert the metric measurement adapter between the arms of the tipping
bucket, with solid side of the metric measurement facing up.
V.
Adjusting the Rain Gauge Tipping Bucket
Our Rain Gauge is calibrated at the factory so the bucket tips (and records
rainfall) for each 0.01" (or 0.2 mm if the metric adapter has been fitted) of
rain. To adjust the calibration slightly, use a 3/16" (or 5 mm) wrench to
rotate the adjustment screws that are located underneath the bucket.
The adjustment guide embossed in the platform shows how far you must
rotate both screws in turn to effect a 1% and a 2% change.
Moving the screws in the positive (+) direction causes the bucket to tip
more times (i.e. give a larger count) for a given amount of water.
Global Water
800-876-1172 • globalw.com
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