Hanna Instruments HI 83749 - Manual (Page 16)

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Note: For wine analysis it is recommended to
work always with the AVG mode on.
• Turn the instrument ON by pressing ON/OFF.
• When the LCD displays “----”, the instrument
is ready. The current time appears on the
secondary LCD, if selected in Setup menu.
• Fill a clean, dry cuvet with 10 mL of wine up to
the mark, taking care to handle the cuvet by
the top. Replace the cap.
Note: To remove any fingerprints or dirt, wipe
the cuvet thoroughly with a lint-free cloth. If
necessary, apply HI 93703-58 Silicone Oil (see
General Tips for an accurate measurements,
page 10), recommanded only if low turbidity
values need to be read.
• Place the cuvet into the instrument and close
the lid.
• Press READ and “----” will blink on the
display.
• At the end of the measurement, the instrument
directly displays turbidity in NTU.
TURBIDITY MEASUREMENT
25
VIEW LOGGED DATA
The stored records can be viewed at any moment
by keep CAL/RCL key pressed for a few seconds. To
return to normal measurement mode, press RCL
again .
LOG SEARCHING
The log records are stored in chronological order.
The first displayed record is the last stored one.
• Press UP or DOWN keys to scroll the log memory
record by record. By keeping pressed the UP or
DOWN keys, the scrolling speed will increase.
The scrolling of the log is possible from any panel
of the record, except “Delete last log” and
“Delete all logs” panels.
• When scrolling the log, the number of the record
is displayed for one second on the secondary
LCD together with “TAG” if the identification of
the sampling location was made.
When the end of the log is reached, an error beep
is heard.
RECORD VIEWING
Each record contains more information than the
measured value. The additional information is
grouped in several panels.
Press READ to scroll through the record panels.
The record panels are displayed one by one in a
circular way.
Each record contains the following panels:
• The record value (turbidity value) and record
number.
Note: If the logged sample value is an over range
reading, the maximum value (1200) will
be displayed blinking.
• The hexadecimal string of the tag for the
sampling location ID.
Note: If the ID data are missing, “----” is
displayed instead.
or