User Manual User guide

ManualsBrandsHach-Lange ManualsEquipment2100 N IS Laboratory Turbidimeter

Prepare the sample..........................................................................................................................................................................21

Prepare a representative sample..............................................................................................................................................21

Remove air bubbles from the sample.......................................................................................................................................21

Apply a vacuum.................................................................................................................................................................21

Use an ultrasonic bath.......................................................................................................................................................21

Apply heat..........................................................................................................................................................................21

Prevent condensation on a sample cell....................................................................................................................................22

Measure over-range samples...................................................................................................................................................22

Sample dilution..................................................................................................................................................................22

Turbidity measurement....................................................................................................................................................................23

Measurement notes..................................................................................................................................................................23

Turbidity measurement procedure............................................................................................................................................24

Measurement techniques.................................................................................................................................................................25

Manual or automatic ranging....................................................................................................................................................25

Signal averaging on or off.........................................................................................................................................................25

Using the air purge system.......................................................................................................................................................25

Using a flow cell........................................................................................................................................................................26

Install a flow cell................................................................................................................................................................26

Clean a flow cell assembly................................................................................................................................................26

Flow cell maintenance.......................................................................................................................................................27

Flow cell operation.............................................................................................................................................................27

Flow cell storage................................................................................................................................................................27

Using a manual flow cell....................................................................................................................................................27

Use a cell adapter.....................................................................................................................................................................27

Install a cell adapter...........................................................................................................................................................28

Remove a cell adapter.......................................................................................................................................................28

Connect to a printer or computer.....................................................................................................................................................28

Configure the printer output.............................................................................................................................................................28

Configure the RS232 connection.....................................................................................................................................................28

Computer (RS232) commands........................................................................................................................................................29

Advanced operation..................................................................................................................................................................29

Calibrate the turbidimeter with formazin standards..........................................................................................................................29

Table of Contents