Reading Menu - Van Walt CT12 Operating Instructions Manual

VAN WALT
Monitoring your needs
Date Format
Select DD/MM/YYYYY or MM/DD/YYYY as required.
Version
The serial number of the instrument and the software version will be displayed.
The instrument serial number is required for support and warranty claim.
Backlight
Select either 'Off' or 'On' as required.
The Compact Turbimeter will maintain the current status until changed.

READING Menu

When taking turbidity readings ensure the cuvette is free from dirt, dust and
condensation using the supplied lint-free cloths.
Ensure the light cap is in place to prevent stray light from adversely affecting
readings.
Microscopic scratches will refract light and can lead to higher than expected
values. To prevent scratches having an impact apply a thin film of silicone oil
(provided) to the sample cuvette.
Select the Reading menu and choose from :
Normal – This mode reads the turbidity of the sample in approximately 8 seconds
with an audible beep at the start and finish of measurement.
Average – Selecting this mode prompts a further choice of Short Average (3
readings), Medium Average (6 readings) and Long Average (12 readings).
Averaging readings is extremely useful for turbidity measurement where particles are
in motion or where extremely high accuracy is required.
Continuous-Capture – This mode allows continuous reading of sample turbidity until
measurement is manually interrupted. This mode will support cuvette indexing and
settling studies on rapidly settling samples.
Van Walt Ltd | Prestwick Lane | Grayswood | Haslemere | Surrey | GU27 2DU | Tel. 01428 661 660 | Fax. 01428 656 808 | www.vanwalt.com
Compact Turbimeter
Operating Instructions
5