7.2
Combined PTSA and Conductivity Calibration
The following steps will calibrate both conductivity at 1000 µS/cm and PTSA at 100 ppb using Pyxis 100 ppb
PTSA + 1000 µS/cm (KCl) Combined Standard (P/N: 21004):
1. Rinse the main module sample cell three times with the Combined Standard. Fill the sample cell with
the Combined Standard.
2. Power on the SP-710 by pressing
. Allow 5–10 seconds for the SP-710 to stabilize.
3. Press
Calib
(
) as needed to highlight
Cond
in the selection menu.
4. Press
to launch the
COMBINED CALIBRATION
screen (Figure 16).
5. Press
Calib
(
) to confirm the desired calibration.
6. The display updates as shown in Figure 17 and the user can choose one of three options:
(a) Press
to start the calibration,
or
(b) Press
Cancel
(
) to return to the
COMBINED CALIBRATION
screen,
or
(c) Press
Exit
(
) to abandon calibration entirely.
7. Once calibration begins, the SP-710 reads the sample and displays the value in the
Measured
section.
A slight variance from the target is acceptable.
8. If successful, a checkmark (
) will appear next to the conductivity measurement.
9. After a second, another checkmark (
) will appear next to the PTSA measurement.
10. Finally, the message “
Calibration Success
” will appear towards the bottom of the display (Figure 18).
11. Calibration is now complete, long press
Calib
(
) to return to measurement mode.
Figure 16.
Figure 17.
Figure 18.
SP-710 User Manual
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