McNab Model AP-VISF Scatter Transmitter |
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Special Features
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DescriptionThe Model AP-VIFS Scatter Transmitter is a compact sensor with integrated electronics. It measures the amount of light received by the photoelectric scanner from the light scatter of suspended particles. It continuously monitors suspended solids interface by measuring the amount of light scatter in the process pipe. The optical cell “no o-ring” sealing meets sanitary requirements as set forth by EHEDG. Model AP-VIFS provides immediate center-of-the-pipe measurement at full pressure and temperature, eliminating the delay of off-line sampling. The information is transmitted to the customer computer or process controller using a 4-20 mA analog signal. Internal relays are available to open or close valves when designated concentration levels are reached. Installation involves mounting optical ferrules on a vertical run of pipe (with upward flow) where the process measurement is needed. Visual inspection of the sample chamber can be done at any time during operation by removing the photo sensor head from the optical cell and looking through the optical cell like a sight glass. Specifications
A04-15 |
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