WIKA CTM9100-150 - Handbuch (Seite 29)

29 WIKA operating instructions, models CTD9100, CTB9100, CTM9100
11263911.02 05/2014 GB/D
GB
7. Operating elements of the calibrator/micro calibration bath
7.4.7 Recalling the stored set temperatures
The set temperature can be called up from calibration mode.
Press button U for approx. 2 secs. The current set-point
memory will be opened.
On the upper PV display, the current reference temperature
is indicated.
On the lower SV display, the set-point memory (SP1, SP2,
SP3 or SP4) is shown for 2 secs., and then the correspond-
ing currently-selected set temperature is displayed.
It initially displays the set-point memory (SP1, SP2, SP3 or
SP4).
Then it displays the stored set temperature.
In order to retrieve a different stored set point, press button U
again.
The selected temperature value will be immediately adopted
and approached.
7.4.8 Setting the ramp control and a temperature profile
Using the ramp control, the time can be defined over which
the target temperature is achieved. This time may be shorter
or longer than that which the calibrator or the micro calibra-
tion bath would normally require.
By changing the set temperature or turning on the calibrator
or micro calibration bath, it is automatically determined which
of the gradients to use (heating gradient, SLor, or cooling
gradient, SLoF).
In the calibrator or in the micro calibration bath, the dwell
time, dur.t, can be programmed so that the set temperature
reached is automatically switched from the set-point memory
SP1 to the set temperature in set-point memory SP2 after a
predetermined time.
A simple temperature profile can be generated.
After switching on the calibrator or micro calibration bath, the
temperature profile will run automatically.
Heating gradient, SLor
The heating gradient, SLor, is active if the reference temper-
ature is lower than the set temperature.
Each calibrator model has a maximum heating output, and
thus only settings < than this heating power make sense and
actually increase the time taken to achieve a set temperature.
Calibrator model
(heating/cooling)
Setting for
SLor
CTD9100-165 < 7 °C/min
CTB9100-165 / CTM9100-150
with silicone oil 10 CS
< 3 °C/min
CTB9100-165 / CTM9100-150
with distilled water
< 5 °C/min
CTM9100-150 as calibrator < 3 °C/min
CTM9100-150 as infra-red calibrator < 3 °C/min
CTM9100-150 as surface calibrator
< 3 °C/min
Calibrator model
(heating)
Setting for
SLor
CTD9100-450 / CTD9100-650 < 35 °C/min
CTB9100-225
with silicone oil 20 CS
< 22 °C/min
CTB9100-225
with distilled water
< 12 °C/min
Ramp control and temperature profile
Display on calling the set temperature