User Manual Owner's manual

ManualsBrandsHach-Lange ManualsEquipment2100 AN 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.........................................................................................................28

Color measurement.........................................................................................................................................................................29

Measurement notes..................................................................................................................................................................29

Color measurement and calibration procedure.........................................................................................................................30

Measurement techniques.................................................................................................................................................................32

Manual or automatic ranging....................................................................................................................................................32

Signal averaging on or off.........................................................................................................................................................32

Ratio on or off...........................................................................................................................................................................32

Using the air purge system.......................................................................................................................................................33

Using a flow cell........................................................................................................................................................................33

Install a flow cell................................................................................................................................................................33

Clean a flow cell assembly................................................................................................................................................34

Flow cell maintenance.......................................................................................................................................................34

Flow cell operation.............................................................................................................................................................34

Flow cell storage................................................................................................................................................................34

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