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Model 675 Shark Cage Submersibile Level Transmitter Offers Outstanding Performance For Water Treatment Facilities


Rugged Sensor Designed for Slurries and Highly Viscous Applications

FEASTERVILLE, PA—The Model 675 submersible level transmitter from AMETEK PMT Products is designed specifically for slurries and highly viscous environments where clogging of the sensor is possible. The Model 675 uses a 3.5-inch flush diaphragm within a stainless steel shark cage to prevent unwanted clogging of the sensor area. The diaphragm is the largest on the market, ensuring continuous operation in tough, demanding and dirty applications.

The rugged submersible level measurement instrument is made of 316L stainless steel, which offers it outstanding environmental protection. The device is able to perform in depths up to 138 feet of water and is approved for intrinsically safe operation in hazardous locations as designated by Class 1, Div 1, Groups A, B, C & D and Class II, Groups E, F & G when used with approved barrier. Applications for the Model 675 transmitter include lift stations, sewage level measurement, slurries, storm runoffs and pump control.

Model 675 transmitters indicate liquid level by continuously measuring hydrostatic pressure via its sensing element—an ion implanted silicon semiconductor chip with integral Wheatstone Bridge circuit. Once the sensor measures the pressure, the data is transmitted by a 4 to 20 mA output signal. This design provides for excellent linearity and repeatability, low hysteresis and long-term stability.

Model 675 transmitters are backed by PMT Products’ 30+ years of experience in piezoresistive sensor chip and stainless steel diaphragm technology. It has developed and perfected test methods and quality checks to ensure that every Model 675 transmitter will perform within specification in tough and demanding wastewater environments.


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