NanoPhotometer
®
NP80/N60/N50/C40
User Guide Version 3.1
105
C
LEANING AND
G
ENERAL
C
ARE
Switch off the NanoPhotometer
®
and disconnect the power cord prior to external cleaning. Use
a soft wet cloth or dry microfiber cloth to clean all external surfaces. A mild liquid detergent may
be used to remove stubborn marks.
Approved disinfectant solutions include: Apesin disinfection spray (Tana Chemi GmbH), Incidin
Liquid & Inciddin Foam (Ecolab), and Lysoformin Spezial (Lysoform Dr. Hans Roseman GmbH).
Note
: Observe all necessary precautions if dealing with hazardous samples or solvents.
M
ESSAGES
The software gives three different kind of messages confirmation (green), warning (yellow) and
alert (red) messages.
Confirmation messages are shown e.g. after the initialization test has passed successfully or if
files or folders are copied or moved successfully. These messages are self-explaining and not
listed in the user manual.
I
MPORTANT
W
ARNING
M
ESSAGES
:
Message Text
Explanation/Solution
Air bubble, lint residue or bad sample. Please
reapply sample.
Air bubble recognition is on and has detected either
an air bubble, lint residue or a bad sample like e.g. a
turbid sample. Check sample, clean the pedestal
and mirror in the lid thoroughly and reapply sample
carefully. To avoid air bubbles apply sample by
reverse pipetting.
Another control device is currently connected.
Message is shown on a control device when
another control device is currently connected with
an open measurement session. Please close
method on control device.
Battery is low. Please connect to power!
This message pops up twice. Between the first and
second warning message, there is at least one hour
battery power left for use of the NanoPhotometer
®
under standard conditions. After the second warning
the instrument will automatically begin shutting
down within 10 to 15 seconds.
Concentration too high. Change to
lid10/lid50/lid100/lid250
The concentration of the sample used is too high for
submicroliter cell measurements with the utilized lid.
Change to the recommended lid. A new blank is
recommended when changing the dilution lid.
Concentration too high. Dilute sample.
The concentration of the sample is too high for
submicroliter cell measurements using Lid 250 with
the C40. Sample concentration is above the
detection limit of the instrument. Dilute sample
manually to measure within the detection range of
the instrument.