
00614 Calibration option
2.
Insert a small nut
Remove
1. It will not be used when the rain gauge is set up to be calibrated
Height mark
3.Use the original plastic stop as a height gauge 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