14
2.3 Operation mode
Switch the instrument on by pressing the [ON/OFF] key.
The instrument performs an electronic self-test.
2.3.1 Automatic switch off
The instrument automatically switches off after 20 minutes. This is indicated 30 seconds before
by a beeper. Press any key to avoid the instrument switching off. As long as the instrument is
working (for example countdown or printing) the automatic switch off is inactive.
2.3.2 Turbidity measurement
2.3.2.1 Read/ Avg key
measurement with Signal Average
Press [Read/Avg] key to perform a test with signal average
function.
By pressing the [Read/Avg] key Signal Average function is active. Signal averaging measures
and averages 45 measurements. The signal averaging feature provides compensation for
fluctuations caused by random drifting particles in the sample.
The result is shown in
NTU
.
2.3.2.2 Read key - quick measurement
Press [Read] key to perform a quick test.
By pressing the [Read] key Signal averaging function is not active. The TurbiDirect measures
and averages 9 measurements.
The result is shown in
NTU
*
.
ON
OFF
Autotest ...
Read
Read
Avg
Содержание CW8200
Страница 1: ...Camlab CW8200...
Страница 6: ......
Страница 7: ...Part 1 Descriptions...
Страница 11: ...Part 2 Operating manual...
Страница 43: ...41 Part 3 Enclosure...
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