JULABO FP45-HE Refrigerated and Heating Circulators - Manual (Page 31)

HE
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8.3. Over and Sub temperature warning function
Over temperature
Sub temperature
If the observance of a working temperature value >SETP< has to be
supervised for a sensitive temperature application, then set over and sub
temperature warning values. In the example below the SETPOINT 85 °C is
surrounded by the values OVERTMP 87 °C and SUBTEMP 83 °C. The
electronics immediately register if the actual temperature breaches one of
the set limit values. The resulting reaction is defined in a further menu item.
(See chapter 8.2.
)
1. Press the key .
2. By pressing the or key select the menu >OVERTMP< or
>SUBTEMP<.
1. Press the key. The integer digits flash
2. Change the values to 87. °C and/or 83. °C by pressing the and
key and confirm with the key.
The decimal digits flash and can be adjusted if desired.
Confirm once more by pressing the key.
See above examples.
• The warning functions are only activated if the actual bath temperature
remains within the set limit values for 3 seconds after switch-on.
Recommendation:
Set the over temperature warning value >OVERTMP< 5 °C to 10 °C above
the working temperature setpoint.
Set the sub temperature warning value >SUBTMP< 5 °C to 10 °C below the
working temperature setpoint.