2
Overview
Introduction
Thank you for selecting the TB100 portable turbidity meter. This manual provides a step-by-step guide to help you operate the meter, please
carefully read the following instructions before use.
Unpacking
Before unpacking, ensure that the current work environment meets the following conditions.
•
Relative humidity is less than 80%.
•
Ambient temperature is greater than 0° C/32° F and less than 50° C/122° F.
•
No potential magnetic fields and ambient light interference.
The following list describes the standard components of meter. After the unpacking, please check all components are complete. If any are
damaged or missing, please contact the supplier.
The sample vial in the measurement chamber has been indexed with the 0.02 and 10 NTU standards at the factory.
Operating principles
The TB100 portable turbidity meter operates on the nephelometric principle of turbidity measurement and is designed to meet the criteria specified
in ISO 7027. The following figure shows the basic optical system of meter. It includes a light source and a detector to monitor the light scattered
at 90° with respect to the incident beam.
1.
TB100 turbidity meter
3.
Lint-free cloth
2.
Calibration standards
4.
Sample vials
Detector
IR LED
Emitted light
90°
scattered light
Sample
