wtw Turb 430 IR/T, Operating Manual

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Turb 430 IR/T Operation
37 ba75507e04 06/2009
Calibration record At the end of each calibration procedure a calibration info (
i
symbol)
and the calibration record is displayed.
Displaying and
downloading calibration
data to interface
You can view the data of the last calibration on the display.
Subsequently, you can download the displayed calibration data to the
interface, e. g. to a printer or PC, with the
<PRT> key.
The calibration record of the last calibration can be found under the
menu item,
Configuration / Turbidity / Calibration record .
Sample printout of a
record
Preparing the
calibration
Perform the following preparatory activities when you want to calibrate:
Note
For turbidity values under 1 FNU/NTU, follow the instructions given in
the appendix (see A
PPENDIX
2: T
URBIDITY VALUES UNDER
1 FNU/NTU).
Carrying out calibration
31.10.03 16:13
Turb 430 IR
Ser. no. 12345678
Calibration Turbidity
Calibration date 31.10.03 16:13:33
Calibration interval 90 d
1 Keep the cells with the required calibration standards ready
and mark them as necessary (see page 33).
2 Clean the cell (see section 5.2.2).
3 Insert the cell (see section 4.2).
1 Press the <CAL/ZERO> key.
The menu-guided calibration begins.
Follow the instructions on the display.
2 Insert the cell with the displayed calibration standard (here e.g.
1000 FNU/NTU) in the cell shaft (see section 4.2).
i
Insert standard
1000 FNU/NTU
i
Press and hold <START>
i
Align sample
Turbidity \ Calibration