ITM-3 Relative Turbidity Monitor

Turbidity Sensors | Food & Beverage


The Anderson ITM-3 combines a proven optical backscatter light technology with the latest generation of electronics to provide an expanded feature set and simple user interface yielding a highly adaptable optical sensing device. Standard features of the ITM-3 include a 4-20mA output of the measured turbidity which can be assigned to 5 selectable ranges that can be programmed via the internal interface or configured so any two of them can be remotely selected via a 24 VDC digital input. This feature allows a single unit to be used for multiple products in the same line, with an output that can be set for the optimal resolution as required. A backlit dual line LCD display is included for set-up as well for local indication of the relative turbidity level and switched output status. And finally, a digital output is provided with adjustable setpoint and hysteresis for simplified integration in to a plant process. Wiring is accomplished via standard M12 quick disconnect receptacles, and the housing is IP69K/Nema 4X rated. Our standard lens material is sapphire which has proven the most durable in the intended applications. Applications for the ITM-3 include detection and automation of product to product changeovers as well as product to water interfaces in traditional dairy and beverage processes. The unit can also be used to monitor CIP return lines for presence or absence of product allowing for optimized flush water use. It’s also been used for yeast harvest automation in breweries and for leak detection downstream of filters. Anywhere a change in turbidity can be used to monitor, alarm, or automate may be another great place to install an ITM-3.

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