Secon 7
Integra 3™ Temperature Control
Research Instruments Ltd
7
The setpoint temperature of each heang system can be modied by
pressing the icons menoned on page 32, which are located on the
main screen. The value is modied by pressing the or
icons. Once the correct value is obtained, press the icon to return
to the main screen.
When using the Heated Stage Plate only with an externally controlled
heang/cooling insert (Mode 5), an addional opon on the setpoint
screen enables the Heated Stage Plate to be switched o. In this case the
display will show ‘HEATING OFF’ when on the main screen.
It may take up to 20 minutes for the temperature to stabilise. In all
cases an alarm will sound if the setpoint temperatures are not reached.
Refer to the Alarm and System Status secon for a full descripon of alarms.
The heang systems are factory calibrated such that when the controller
is set to 37°C the surface temperature of the heated plate(s) and air
expelled from the Air Heang System (if ed) measures 37°C. For all
heang systems the setpoint temperature is adjustable to between 30°C
and 45°C.
The temperature inside a Petri dish will normally be slightly lower than
the heated surface, depending on ambient condions, type of Petri
dish and the sample preparaon. Aer the system has been installed
in its operang locaon, the temperature of the heated plate(s) and
Thermosafe Air Heang System (if ed) should be adjusted to allow for
this dierence.
Change the setpoint if the temperature in the Petri dish needs to be
changed. For example, the heated plate might need to be set to 41°C in
order for the specimen to be at 37°C.
Prepare a Petri dish with water and paran oil that mimics your normal
Petri dish preparaon and place it on the heated stage in its normal
posion.
Do not adjust the temperature with a specimen in place on the
heated surface.
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