Arometrix FRACTION FINDER Manual do utilizador - Página 14
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2) If the signal looks sporadic and very abnormal, a few things should be checked:
a. If it is right after a flask transfer, wait a few minutes – this is normal behavior
b. If the vacuum pressure is still changing quickly, wait for the pressure to become more
constant
c. If the boiling flask is heating significantly, wait for the boiling flask temperature to become
more constant
d. The issue could be attributed to background light
i. Use the light-blocking tape provided in the kit
e. Ensure that the integration time is set correctly by either using the AID AUTO or following
the procedure outlined in step 5
f.
Increase the scans to average
i. This should not be set significantly higher than 5 - keep the value below 15
g. If none of the above are the problem – ensure that liquid is still flowing
h. If none of the above seem to be the origin of the problem, please take a photo of both
your spectrum plot and your wavelength plot and contact customer service by emailing
3) If the system is not detecting the sensor (bottom left light on panel is red or yellow)
a. If the system was turned on, give the system up to 5 minutes, it may detect
b. Ensure that all cables are connected securely – especially the cable connecting the monitor
unit to the sensor
i. It may be easier just to disconnect and reconnect the cables from the monitor unit
and the sensor unit
c. Try identifying and using a new source of power to power the Fraction Finder monitor
d. If none of the above seem to be the origin of the problem, please take a photo of both
your spectrum plot and your wavelength plot and email [email protected].
4) Warnings about safe operating conditions for the FRACTION FINDER:
a. Currently, the FRACTION FINDER is specified to work up to 100 degrees Celsius. Please do
not raise your condenser fluid temperature above this. Should this be a part of your SOP,
then order the "Hot Tech Adapter" from Arometrix.com. This will relocate the sensor to
just prior to the collection flask.
b. The FRACTION FINDER housing (both the sensor and the monitor unit) are sensitive to
distillate and extract, to increase sensor lifetime and reduce the likelihood of damage:
i. Wipe down the outside of the glass that the FRACTION FINDER will clamp onto
before installing the sensor with ethanol, isopropanol, or another alcohol. DO NOT
USE ACETONE | WARNING: ENSURE THAT GLASSWARE IS NOT HOT!
Arometrix, Inc.
or submitting the Support Request form on our website
arometrix.com/resources
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