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  • TF16-N Turbidity Meter
Jul 2007
optek-Danulat Inc.Request Info
GERMANTOWN, Wisc., July 17, 2007 -- Optek-Danulat's model TF16-N is a precise, dual-channel, scattered-light turbidity meter designed to provide inline control solutions for a variety of industrial gas and liquid processes, including sanitary CIP/SIP (cleaning-in-place/sterilization-in-place).

The TF16-N monitors in-line for precise, real-time, repeatable results. High particle concentrations can be monitored color-independent at the direct-light detector. The TF16-N uses light in the near-infrared range from 730 to 970 nm.

A dual-beam design compensates for turbidmeter.jpgbackground color or color changes. A precisely defined, constant light beam penetrates the process medium. Light scattered from particles (trace-suspended solids, undissolved liquids or gas bubbles) in the medium is detected by eight hermetically sealed silicon photo diodes at an 11° angle.

Simultaneously, the unscattered light is detected by a reference photo diode. This dual-channel design compensates for disturbances such as background color or color changes of the carrier medium. The sensor can be calibrated in ppm, EBC or FTU and measures extremely low particle sizes and concentrations. The single-crystal sapphire optical window provides superior resistance to all abrasive and corrosive media.

The TF16-N turbidity meter is available with a variety of line sizes, process connections and wetted materials and can be adapted easily to a process.

Optek will display the meter and other products at the ISA EXPO 2007 (Oct. 2-4; Houston, Texas; Booth 1600) and the THE 2007 Chem Show: International Process Industries Exhibition (Oct. 31-Nov. 1; New York City; Booth 1606).

For more information, visit:; e-mail:

optek-Danulat Inc.
N118 W18748 Bunsen Drive
Germantown, WI 53022
Phone: (262) 437-3600
Toll-free: (800) 371-4288
Fax: (262) 437-3699


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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