The Model PFS-2 Precision failsafe is a
convenient, digital switch adjustable unit
designed for easy and rapid setting of both
high and low limits.
Standard temperature range is -99°C to +199°C, with high temp model
having a range of -99°C to +299°C.
This is the perfect unit for environments where the
limits are changed often
or where supervisory personnel need to be able to visually check
settings.
When the high or low limit set with the failsafe is exceeded, the main heating
and
cooling power relay is disengaged by the failsafe and the controller is notified of the
event.
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