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ManualsBrandsHach-Lange ManualsEquipment2100 AN IS Laboratory Turbidimeter

Clean the sample cell...............................................................................................................................................................18

Indexing a single sample cell....................................................................................................................................................19

Matching sample cells..............................................................................................................................................................21

Prepare dilution water...............................................................................................................................................................23

Prepare the sample..........................................................................................................................................................................23

Prepare a representative sample..............................................................................................................................................23

Remove air bubbles from the sample.......................................................................................................................................23

Apply a vacuum.................................................................................................................................................................23

Use an ultrasonic bath.......................................................................................................................................................23

Apply heat..........................................................................................................................................................................24

Prevent condensation on a sample cell....................................................................................................................................24

Measure over-range samples...................................................................................................................................................24

Sample dilution..................................................................................................................................................................24

Turbidity measurement....................................................................................................................................................................25

Measurement notes..................................................................................................................................................................25

Turbidity measurement procedure............................................................................................................................................26

Absorbance and transmittance measurement.................................................................................................................................27

Measurement notes..................................................................................................................................................................27

Absorbance and transmittance measurement procedure.........................................................................................................27

Measurement techniques.................................................................................................................................................................28

Manual or automatic ranging....................................................................................................................................................28

Signal averaging on or off.........................................................................................................................................................28

Ratio on or off...........................................................................................................................................................................29

Using the air purge system.......................................................................................................................................................29

Using a flow cell........................................................................................................................................................................30

Install a flow cell................................................................................................................................................................30

Clean a flow cell assembly................................................................................................................................................30

Flow cell maintenance.......................................................................................................................................................31

Flow cell operation.............................................................................................................................................................31

Flow cell storage................................................................................................................................................................31

Using a manual flow cell....................................................................................................................................................31

Using an automated flow cell.............................................................................................................................................31

Measurement notes...........................................................................................................................................................32

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