00614 Calibration option
2.
Use the original plastic stop as a height gauge
3.
turn it upside down as shown in the picture.
This will provide the initial screw height.
--- Raising the height of the screw
increases the rain fall reading by allowing
the bucket to tip sooner, with a smaller
volume of water
--- lowering the height of the screw
decreases the rain fall reading
*** every bucket tip equals 0.02" of rainfall
Insert a small nut 6-32 hex nut into the base receiver (stainless steel) is preferred
-secure the nut in place using glue or silicone caulk
-install a screw 6-32 into the nut, 3/4" or 1" long should work best.
Remove (un-snap) this part
1.
It will not be used when
the rain gauge is set up to
be calibrated
Height mark