StablCal calibration procedure
1. Push Login and
select the applicable
Operator ID. If login is
not necessary, go to
step 3.
2. Push Login and
enter the password.
Push OK.
3. Remove the filter
assembly.
4. Clean the lens of the
USEPA filter assembly.
Refer to Clean the filter
assembly on page 20.
5. Hold the tab of the
USEPA filter assembly
so that the arrows point
toward the front of the
instrument. Push the
filter assembly fully in
the housing.
6. Push Calibration.
The standard values for
the selected calibration
curve (and verification
standard, if Verify after
Cal is on) show on the
display. To select a
different calibration
curve, refer to
Configure the
calibration settings
on page 13.
7. Get the StablCal
standard that shows on
the display. Clean the
vial with a soft, lint-free
cloth to remove water
spots and fingerprints.
8. Apply a small drop
of silicone oil from the
top to the bottom of the
vial.
9. Use the oiling cloth
to apply the oil equally
to the surface of the
vial. Remove most of
the oil. Make sure that
the vial is almost dry.
10. Carefully and
slowly invert the vial to
fully mix the standard
(do not invert the
<0.1 NTU vial). Be
careful not to add air
bubbles.
11. Put the vial in the
sample cell holder with
the triangle on the vial
aligned with the
reference mark on the
sample cell holder.
Push the lid closed until
a click is heard.
12. Push Read. Wait
1 minute for the
instrument to complete
the measurement.
English 15
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