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(59)
Turbidity
20 - 1000
FAU (Turb)
Internal Name: 59-Turbidity
10ml
Measurement procedure:
1
Fill 10 ml distilled water in a clean 24 mm cuvette.
2
Screw the lid back on the cuvette.
3
Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
4
Start ZERO measurement.
5
Remove the cuvette again.
6
Unscrew the lid from the cuvette.
7
Empty the cuvette.
8
Mix the sample thoroughly.
9
Rinse the cuvette several times with the sample water.
10
Then fill 10 ml of the sample water in the cuvette.
11
Screw the lid back on the cuvette.
12
Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
13
Tap TEST to perform the measurement.
14
The measured value is immediately displayed.
Notes:
The test result can be converted into the following unit(s): FTU (same as FAU)
FAU stands for Formazin Attenuation Units, different from the NTU (nephelometric) method.
The measurement should be conducted immediately after sampling.
Air bubbles will influence the measurement result.
Tinted water samples influence the result. In this case do not use distilled water (step 1) but
rather filtered sample water for the ZERO adjustment.
T194/204
T194/204
Содержание Primelab 2.0
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