HP 11744195 - Manual (Page 11)

Chart Environmental Chambers Features
the air-flow plenum and is not directly visible. The following figure is a picture of the
Watlow controller:
Watlow Series 96
temperature
controller.
❏ Temperature Safety Controller
A temperature Hi/Lo limit control protects the chamber against thermal runaway due to a
primary controller fault or control device failure. The input to the Hi/Lo limit control is a
type T thermocouple. The thermocouple is mounted in the air-flow plenum and is not
directly visible. The temperature safety controller is located inside the control box and is
not to be adjusted by the operator.
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