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...6 PROGRAMMING & ELECTRICAL CALIBRATION
...6.3 Set Up Parameter Page
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Test Cleaner NO
YES
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Bubble Rej.
NO
YES
2 0
Bubble Period
2 0
Signal Filter
s
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SET UP OUTPUTS
24
Test Cleaner Diagnostics (7997 200 and 300 Series only)
Used to switch the cleaning diagnostics on or off.
Gives user the option of selecting indication of the wiper function.
Bubble Rejection Mode
Select YES for applications where degassing of the sample is taking place, causing small
bubbles to form in the flowcell, resulting in short duration spikes in the Turbidity reading.
Bubble Period
Adjust the value until the spikes are no longer seen on the display. The longer the duration of
spike, the higher the value needs to be (programmable from 2 to 60).
A value of 20 is probably sufficient for most applications.
Signal Filter
Used for applications where the Turbidity readings are noisy (programmable from 4 to 180
seconds).
For optimum performance when using Bubble Rejection Mode, the Signal Filter should be
kept to a minimum, i.e. 4 seconds.
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