SECTION 2, continued
17
2.2.2 Measurement Hints
• Always cap the sample cell to prevent spillage of sample into the instrument.
• Always close the sample compartment lid during measurement.
• Install the appropriate Filter Assembly. The EPA Filter Assembly must be
installed for measurements requiring EPA reporting.
• Do not leave a sample cell in the cell compartment for extended periods
of time.
• Leave the instrument on 24 hours a day if the instrument is used regularly.
• Empty the cell compartment and turn off the power if the instrument is stored
for extended periods of time.
• Always use clean, scratch-free sample cells and caps.
• Always apply silicone oil.
• Always observe measurement techniques
9. Select the appropriate
measurement unit (NTU,
EBC or NEPH) by
pressing the
UNITS/EXIT
key.
10. Read and record the
results.
Note: A time- and date-
stamped measurement
record can be printed or
transmitted by pressing the
PRINT key.
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