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6.1.2. Connect the ORP probe (Product# AI1315, sold separately), soak it into sample solution, stir
gently and let it stand still. Get the readings when the smiley face ion appears and stay on
the screen.
7
Conductivity Measurement:
7.1
Preparation Work
7.1.1. Press
key to turn on the meter;
7.1.2. Connect the 2301-S conductivity electrode into the meter.
7.2
Meter’s Calibration
Press
key,
“ CAL”
will be flashing on the LCD, indicates the meter enters the calibration
mode; rinse the conductivity electrode with distilled or deionized water and dry it with clean
tissue, then insert it into the 1413μS/cm calibration solution, hold still after stirring, when
a
smiley face
icon appears and stays, press again, LCD will display flashing
“
1413μS/cm
”
and
End
icon after a few seconds. And the meter will return to measuring mode automatically.
Note:
(1) The meter’s conductivity mode has been calibrated before leaving factory, so
generally users can use it directly.
(2) The conductivity can only can be calibrated under the mode of
COND
. Resistivity
(
RES
),
TDS
, Sailinity (
SAL
) are coverted from conductivity so they don’t need
calibration as long as conductivity is calibrated.
7.3
Sample Test:
7.3.1. Connect the 2301T-S probe to the meter, soak it into sample solution, stir gently and let it
stand still. Get the readings when the smiley face ion appears and stay on the screen.
7.3.2 Press
key to display the value of TDS, salinity or resistivity, which are converted from
conductivity.
