Hanna Instruments HI 9811-5 - Manual (Page 7)

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:
“
µ
S” symbol indicates the meter
is in EC mode;
“ mg/L” symbol indicates the meter
is in TDS mode.
TAKING TEMPERATURE MEASUREMENTS
• 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.
Notes: • If the display shows only a “E”
on the right side of the LCD,
the reading is out of range.
• It is recommended to clean
often the probe with HI 700661
Cleaning Solution.
• After measurements have been completed, the instrument
should be switched off, and the probe cleaned and covered
with the protective cap.