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5. Setting high and low limit temperature (LIMIT)
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This chamber's temperature controller incorporates an automatic temperature alarm.
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for high and low limit temperature is shown in the table below. Adjust the setting knob· with a small screw
driver:
Note:
The high limit temperature should be set at a minimum of 5
chamber, and low limit temperature, set at a minimum of 5
· While in the programmed operation and when the temperature is automatically varied, the high and low
limit ·temperatures should be set 5
temperature of the programmed operation.
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Press the key for switching
1
presenV setting values
Press PT
STEP to OH
2
Set the desired temperatue by
turning the setting knob.
Press PTN key and set PTN,
STEP to
4
Set the desired temperature
by turning the setting knob.
5
Press PTN key and set PTN,
STEP to
6
Press the key for switching
7
presenV setting values and set
to PV (present value).
Note:
When PTN STEP are in OH or OL modes, PV will not be displayed even when PV/SV keys are pressed.
If more than one minute passes without key operation, it will not return to PV mode.
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and set PTN.
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C lower than the c hamber.
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C higher and 5
C lower, respectively, than the highest and lowest
°
Key,
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operation
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Alters to SV (Setting value) display
PVISV
PTN, STEP DISP
PTN, STEP display will be changed to OH (High limit)
PTN
setting temperature.
HIGH
When _ t he knob is turned, the high limit
®HIGH
setting temperature will be
changed.
PTN, STEP display becomes OL (Low limit)
PTN
: .. setting temperature
®LOW
\rvhen the knob is turned, the low limit setting
tBmperature will be changed.
PTN, STEP display will be changed to constant value
PTN
temperature setting,
PV (present value)
PV/SV
19
The setting method
C above the setting temperature of the
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Unit display
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