Splash-Filling Rest Time (ISGOTT)

Minimum rest time after initial loading before ullage measurements, per ISGOTT: allow 30 min for static-electricity decay before any non-bonded measuring tape is lowered.

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

t_\text{rest} = \max(30, 30 \cdot v / 1 \text{ m/s}) \text{ if non-bonded}

Symbol	Meaning	Unit
$v$	Initial filling velocity	m/s
$t_\text{rest}$	Rest time before non-bonded measurement	min

Source: OCIMF ISGOTT 6th Ed., Ch.11 - Static electricity

In short

Minimum rest time after initial loading before ullage measurements, per ISGOTT: allow 30 min for static-electricity decay before any non-bonded measuring tape is lowered.

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