Hanna Instruments HI 9812 Instruction Manual page 7

• Select the appropriate measurement range (EC or TDS).
• Wait a couple of minutes for the temperature sensor to reach
thermal equilibrium. The display will then show the measurement
automatically temperature compensated for temperature with the
appropriate indication among the following:
"µS" symbol indicates the meter is
in EC mode;
no symbol indicates the meter is in
TDS mode.
TAKING TEMPERATURE MEASUREMENTS
(for HI 9812-5 only)
• Submerge the tip (4cm/1½") of the
probe into the sample to be tested.
• Select the °C mode.
• Stir briefly and wait a couple of
minutes for the reading to adjust
and stabilize. The display shows the
temperature value.
Note: If the display shows only a "1"
on the far left hand side, the
reading is out of range.
Note: It is recommended to clean often the probe with HI 700661
Cleaning Solution.
Note: After measurements have been completed, the instrument
should be switched off, and the probe cleaned and covered
with the protective cap.
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