YSI 3200 - Manual (Page 29)

System Configuration and Operation Section 3
1017
uS/cm
10.3
mS
OPERATION
984.6 Ωcm 97.077 Ω
K=0.098
25.0°C
691
mg/L
TDS
0.5
ppt
SAL 1.91%/°C
T CELL
CURRENT RANGE [95.0mS - 3.00S]
CELL SETUP DIAG RANGE
conductance
resistance
conductivity
resistivity
If the [RANGE] soft key is pressed again, the hardware switches to the 0 - 0.9999uS range. The
conductance and resistance fields are now out of range and the 3200 displays a warning. The
conductivity, resistivity, TDS and salinity fields are still operating, but, since the hardware is out
of range, readings are no longer accurate.
924.5
uS/cm
0.9999
uS
OPERATION
1082
Ωcm
0.000
M
Ω
K=0.098
25.0°C
629
mg/L
TDS
0.4
ppt
SAL 1.91%/°C
T CELL
OUT OF RANGE
CELL SETUP DIAG RANGE
out of range
warning
3.6 MAKING
MEASUREMENTS
After setting up the 3200 instrument and cell as described earlier, the following basic steps should
be used to make measurements.
1. Make sure that the 3200 is setup to read the units you wish to measure in (conductance,
conductivity, resistivity, etc.). To change the units see section 3.5 Display Configuration,
Measurement Units.
2. Verify that the 3200 is properly setup to use the current cell by measuring, or calibrating
with, standard conductivity solution(s). See section 3.2 Cell Calibration.
3. Immerse the cell (YSI 3200 series) in the solution to be measured. If using a YSI 3400
series cell and correcting for temperature, also place the temperature probe in the
solution.
4. Gently tap the cell to remove any air bubbles and dip the cell in the solution 2 or 3 times
to ensure proper wetting. The cell electrodes must be submerged and the electrode
chamber must not contain any trapped air. If using a flow through or fill cell, be certain it
is completely full.
5. Allow time for the temperature to stabilize.
6. Read the display, send the reading to a computer or serial printer, or store the reading in
memory.
7. Rinse the cell (and temperature probe, if used) with distilled or deionized water.
YSI Incorporated Model 3200 25