YOKOGAWA TB400G-A1 Series, User Manual, Page: 8 / 140

<1. OVERVIEW>
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IM 12E04A02-02E
1. OVERVIEW
The applications of turbidimeters, which have been used for operation or control of fi ltration
plants, are expanding into turbidity detection in chemical processes and in measurement of
suspended solid particulates in various types of industrial wastewater.
Model TB400G Scattered-light Turbidimeter is a process turbidimeter employing the principle of
measuring surface-scattered light. This instrument has the following features.
• High performance, high reliability
• Self-diagnostic functions (such as detection of a disconnected lamp, automatic converter
checking functions, and upper and lower limit alarms).
• Choice of functionality (such as automatic cleaning, range-free function, automatic zero
calibration, etc).
• Easy maintenance through small, light-weight, and accessible design.
• No window surfaces to become contaminated.
• Bubble rejection signal processing.
Figure 1.1 External View of the TB400G Scattered-light Turbidimeter (with automatic cleaning and
automatic zero calibration)
3rd Edition : May. 31, 2010-00