When applying rate-of-rise heat detectors, use care to avoid locating them in areas where temperatures might normally be expected to rise as much as ____________ in 1 minute (or less) in order to avoid unwanted alarms.
The rate-of-rise detector, however, will function when
the rate of temperature increase exceeds a predetermined value,
typically around 12 to 15°F (7 to 8°C) per minute.
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