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Thermo Scientific Orion AQUAfast AQ3010 Turbidity Meter User Guide
6 . After the power-up sequence, the meter will go to the measurement
mode and the display will blink “-Rd-” about ten times . See
Figure 12
.
7 . The measured reading will appear in the display .
8 . If necessary, place the second sample vial into the sample well . Align
the vial alignment mark with the meter alignment mark .
9 . Press the
READ/ENTER
key . The display will blink “-Rd-” several
times and measured reading will appear .
10 . Repeat this procedure for all of your samples .
•
Never pour liquid directly into the sample well of the instrument
.
Always use a 25 mm vial . The instrument will only accurately
measure the turbidity of a sample when 25 mm vials sealed with the
black caps are used . The black cap serves to both seal the vial and
block stray light .
• Never attempt to clean the sample well . The optics may be damaged .
• For battery conservation, the instrument automatically powers off 20
minutes after the last key pressed .
Measurement Notes
Figure 12
Reading a
Turbidity Value
“-Rd-” flashes about
10 times
SAMPLE
Unknown
NTU
Place sample
vial into the
sample well
NTU
R EA D
EN TE R
Measurement Mode
and cover with
the light shield cover,
if needed