In-Situ TROLL 9500 Operators Manual - Manual (Page 131)

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TROLL 9500 Operator’s Manual 0095110 rev. 007 01/09
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8. If you selected a Standard Calibration, select an operational range
target. The ranges are suggestions only; a 1- to 4-point calibration
may be performed in any range, using any standards
Note: If the software detects a turbidity wiper accessory, press-
ing the Wipe button will result in one complete wipe cycle of the
turbidity sensor optics.
9. Select Next to continue.
10. In the next screen, select the number of calibration points for this
calibration, and the turbidity value (in NTU) of the calibration solu-
tion for each point. One to four points (solutions) may be selected
for any operational range target selected in the previous screen.
When performing a multi-point calibration, cal point 1 must be
taken in a standard with a value of 0 NTU. Use clear water for
this. Purchased distilled or deionized water will generally measure
less than 0.5 NTU. Filtered water will have a lower NTU value.
11. Select Next to continue.
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3. Connect the MP TROLL 9500 to a PC and establish a connection
in Win-Situ 4 or Pocket-Situ 4. Win-Situ screens are illustrated
here. The Pocket-Situ interface is similar, with the Navigation tree
at the top of the screen and the Information pane below it.
4. Select the MP TROLL 9500 in the Navigation tree.
The installed sensors will be displayed—including the turbidity
wiper, if installed in port P3.
5. Click to select Turbidity in the Parameters list. The sensor serial
number (S/N) and recent calibration information is displayed.
6. Select Calibrate.
The Turbidity Calibration Wizard starts. A screen like the one below
is displayed.
7. Select the type of calibration you wish to do:
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this option, click Next and proceed to step 17.
SECTION 18: TURBIDITY
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