Liquid Level Indicator
28 Installation and Operations Manual
Initial Calibration
These instructions apply to systems that use a hollow-shell, welded float that is 14.5 inches
[368 mm] in diameter by 4.0 inches [102 mm] deep. Calibration is based upon the standard
specific gravity of water (1.0).
Note For products of other specific gravities to be gauged, adjust the indicator accord-
ingly. Refer to the industry related charts for the particular product.
With the float just touching the bottom of the tank, water will be at the float equator (water
line). Set the gaugeboard indicator to 2.00 inches [50.8 mm]. Use the float connecting clamps
(see Figure 8 on page 17) to make the final adjustment, then trim excess tape or cable at the
float end, leaving some additional tape or cable for future adjustment needs.
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