Sick's new PHT hygienic pressure transmitters are designed for accurate process control and high-reliability plant protection in food and beverage, pharmaceutical, and cosmetic manufacturing applications.
Launched as a flagship product of Sick's new Industrial Instrument Division, the PHT series includes absolute, gauge and compound pressure measurement. The sanitary design features a flush-mounted 316L (1.4435) stainless steel diaphragm that is free of gaps and dead spaces.
Darren Pratt, a Sick (UK) product specialist, comments: "Hygiene suitability in food and beverage processing is critical, and the PHT is designed for rigorous clean-in-place [CIP] and sterilisation-in-place [SIP] regimes. The PHT will withstand high-pressure steam with temperatures to 150degC and regular cleaning with harsh detergents; ingress protection to IP67 and IP68 makes sure of a long, reliable life."
The PHT series covers low-pressure applications from 0-0.25bar, for applications such as measuring hydrostatic levels in storage vessels, to 0-25bar for fluid filling and pumping duties, as commonly encountered in the food, beverage, pharmaceutical and cosmetic industries.
A wide selection of hygiene process connections includes Tri-clamp, DIN 11851, DIN 11864, ISO-clamp, NUEMO BioConnect/BioControl and Varivent connections, with EHEDG certification and 3-A Sanitary Standards pending. The ultra-smooth 0.4micron finish to the wetted surfaces ensures optimum cleanability, and the transmitter fill fluid is FDA-compliant.
Characterised by extreme versatility, with over 10,000 possible variants, the range is designed to suit virtually any plant configuration. A choice of electrical outputs is available to match customers' control systems, including 4-20mA, 0-10V and 0-5V analogue outputs, and wiring options include an M12 connector, standard cable exit and right-angled spade connector (DIN 175301-803A).
The new PHT pressure transmitter has been unveiled on Stand No C50 at the 2009 PPMA show, as part of a selection of new hygiene-certificated instruments from Sick (UK)'s new Industrial Instruments Division, which offers a comprehensive range of level, pressure, flow and temperature instrumentation for the processing industries.
Pratt states: "Our aim is to provide innovative instruments with all of Sick's quality reputation at an economic value acceptable to process engineers. Sick sensor and encoder solutions are already well trusted. The new range will extend Sick's reliable and competitively-priced portfolio to new process machinery applications."
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