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PLAINVILLE, CT... New Silver Bullet liquid level sensors for a wide range of demanding applications involving electrically conductive liquids are now available from Gems Sensors Inc.

Ideal for OEM applications, Gems compact Silver Bullet sensors are less than 3 inches long. These solid-state sensors feature integrated switching electronics that withstand operating temperatures to 257°F (125°C), eliminating the need for remotely mounted controllers and bulky J-boxes. Sensors operate in pressures to 2500 PSI and are resistant to vibration and thermal shock for high reliability in outdoor conditions. Sensors have an IP67 moisture entry protection rating. Typical applications include water level monitoring in oil or fuel separators, waste water level monitoring, leak detection, steam boiler water level monitoring, fluid level monitoring in ultrasonic cleaning equipment and coolant level monitoring in radiators and expansion reservoirs.

Silver Bullet sensors are suitable for use in plastic or metal vessels and-with wetted materials of stainless

steel and ceramic-offer broad chemical compatibility. An exclusive fused-ceramic sealing process eliminates the need for O-rings and compression fittings at the sensor's tip and ensures leak-free operation. A special electronics design features built-in slosh dampening that reduces nuisance switching caused by sloshing liquid. The sensor's unique electronics design extends operating life by supplying a low, alternating squareware voltage to the sensor tip. This feature ensures that the sensor tip is free from a constant potential-a condition that causes erosion that eventually renders conventional conductivity sensors inoperable after a short time. Silver Bullet sensors also feature built-in protection against reverse polarity, over-voltage and load dump.

Mounting is through 1/4" NPT ports. Signal input is 8-32 vdc with No. 18 AWG, Polymeric jacketed lead wires (12"-14" extended). CE certification is pending. Wetted parts include 330 stainless steel, 304L stainless steel and ceramic materials. Patent pending.

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