| 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. |
|
The Model PFS-1 Precision failsafe is a
simple screwdriver adjustable unit designed for applications where the failsafe setting
does not get adjusted often. Standard temperature range is -100°C to +200°C.
Other ranges available. This is the perfect unit for production environments
where settings are long term and operator access to the failsafe is not desired.
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. |