Chapter 8 Excess Temperature Option; Control Display; Excess Temperature Option Features; Exceeded Temperature Duration Timer - Thermo Scientific CC58114PC Installation And Operation Manual

Excess Temperature Option
The Excess Temperature Option, when installed, provides an additional,
independent temperature control system to help protect products from excess
temperatures.
Read this section carefully before using this option.

Control Display

When the Excess Temperature Controller Mode UT150L is first turned on, it
displays only the excess temperature setpoint in the bottom display. Press and
release the SET/ENT button to show the duration time of the last excess
temperature incident.
Press and release the SET/ENT button once again to show the peak temperature
measured for the last excess temperature incident.
Pressing and releasing the SET/ENT button once again shows the current
temperature measured by the controller in the top display; this may differ slightly
from the main temperature controller.
The value shown in the bottom display is the current excess temperature setpoint.
Pressing and releasing the SET/ENT button again cycles back to the first display
of the SET/OUT in the lower display.

Excess Temperature Option Features

Exceeded Temperature Duration Timer

The Exceeded Temperature Duration Timer measures the time that the setpoint is
exceeded (and power to the heaters was interrupted) until the hysteresis value is
reached as the chamber temperature cools. This time indicates when the chamber
temperature exceeded the Excess Temperature setpoint.

Peak Exceeded Temperature

The Peak Exceeded Temperature is the highest temperature measured by the
Excess Temperature Controller.
Thermo Scientific
(See Section "Exceeded Temperature Duration
8
Timer").
8-1