VWR PROFESSIONAL Serie Manuel D'instruction page 10

H O T
EATING PERATING IPS
Probe Controlled Plate Temperature Limit (Flash point Setting):
(for Hotplates and Hotplate-Stirrers)
See Function Mode section for instructions for the Plate Limit Setting procedure
for limiting the top plate temperature when not using a probe.
To adjust the maximum probe controlled plate temperature
1. Place unit in standby mode and ensure probe is properly connected.
2. Press and hold the temperature on/off and time down buttons.
3. While pressing and holding the temperature on/off and time down buttons,
press and release the standby button.
a. The probe LED will be on during this step.
b. If maximum probe controlled plate temperature (flash point) is set below
the maximum, the temperature LED will be off for the first 1 second of
the actual and set temperature display while heating.
c. Use the temperature up and temperature down buttons to adjust the
maximum probe controlled plate temperature (flash point).
d. The minimum value for this temperature is 60ºC for both aluminium top
and ceramic top units.
e. The maximum value for this temperature is 400ºC for aluminium top units
and 430ºC for ceramic top units.
f. Press and release the standby button to return to standby mode.
NOTE: The indicator light below the temperature display will blink every
3 to 4 seconds to indicate this function is enabled.
9
EXAMPLE:
Change the plate over-temperature limit from the current 430°C to 200°C.
1. Start with the unit turned off.
2. Press and hold the on/off button below the temperature display and
the time down arrow while turning the unit on, by pressing the standby
button. The temperature displayed is the current plate over-temperature
limit setting, 430°C.
3. Press the up/down arrows until the display reads 200°C. After
approximately 2 seconds, the display will blink off, then on again to
store the new setting.
4. The new over-temperature limit is now set for 200°C. Turn the unit off
before using.