Hach NT3100sc Benutzerhandbuch Seite 21

7. Prepare the probe as follows:
a. Fully clean and dry the back hole area and apply tape to cover the hole of the measuring path.
Refer to the illustrated steps in
Note: Make sure that no soluble compounds touch the medium that fills the measuring path.
b. Turn the probe until the measuring path is in the horizontal position.
c. Purge the measuring path with 10 mL of standard solution.
d. Fill the measuring path with standard solution.
8. Go to the signals menu as follows:
• SC200 and SC1000 Controllers—Go back to the sensor menu, then select DIAG/TEST >
Signals.
• SC4500 Controller and Claros interface—Go back to the sensor menu, then select
Diagnostics/Test > Signals. Select Enter to start the measurement.
9. Examine the values that show on the controller display:
• The first line shows the values from the user calibration (offset, factor and signal average).
• The next line shows the values from the factory calibration (factor and offset calibration).
Remove the tape and make sure that the back hole of the measuring path is free.
10. Install the probe in the tank or flow through unit.
11. Select Back.
12. Complete the instructions on the display.
Figure 10 Prepare the probe
Section 8 Troubleshooting
Message
System error
Measurement failed
Figure
Table 4 Error messages
Possible cause
There is a problem with the electronic
components.
The sample signal is too low.
The temperature is not stable or is out
of range.
The hardware or electronics are
defective.
10.
Solution
Contact technical support.
Contact technical support.
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