Gasboy PC CFN site controller Bedienungsanleitung PDF herunterladen (Seite 22)

PC/CFN Basics Calculating Your Tank Tilt Offset

Page 18 MDE-4489 Gasboy® PC/CFN User’s Guide·July 2005

Calculating Your Tank Tilt Offset

Due to installation or ground settling, the underground storage tank may be tilted. This could

result in inaccurate inventory volume readings. You must measure for tank tilt so that an

Offset can be entered for each tank on the Tank Information Form. Use the following figure

and formula to determine your tank's offset (tilt) factor.

1 Using a dipstick, measure the product level at Tank Opening 1 (a)

2 Using a dipstick, measure the product level at Tank Opening 2 (b).

3 If a=b, the Offset is 0 and no further calculations are needed.

4 Measure the distance between Tank Opening 1 and the tank center line (c).

5 Measure the distance between Tank Opening 1 and Tank Opening 2 (d).

6 Calculate the offset using the following formula:

OFFSET = c (a-b)

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Gasboy PC CFN site controller Bedienungsanleitung Seite 22