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Products by Gems Sensors & Controls

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  • Continuous Level Transmitters

    OEMs with fluid gauging requirements now have an affordable, yet robust continuous output sensor they can use to great value. Gems™ liquid level sensors are a durable, low-cost solution for applications that don't require high-resolution output. Made of brass or stainless steel, this series... Read More
  • Float Level Switches

    Gems™ Liquid Level Sensors operate on a direct, simple principle. In most models, a float encircling a stationary stem is equipped with powerful, permanent magnets. As the float rises or lowers with liquid level, the magnetic field generated from within the float actuates a hermetically sealed,... Read More
  • Intrinsically Safe Liquid Level Controls

    Intrinsically safe controls have SPST isolated contacts and are FM Approved for use in Class I or II and Groups A through G hazardous locations. Sensitivity is field-selectable through the use of external resistors supplied with the control. Read More
  • Intrinsically Safe Zener Barriers

    Zener Barriers: These passive, energy-limiting devices, provide intrinsically safe DC outputs for a variety of sensors such as level and flow switches...level indication transducers and transmitters...and many others. The maximum energy possible at the switch terminals of the SAFE-PAK® and... Read More
  • Magnetostrictive Level Sensor

    This high-precision and robust level sensor is designed to provide continuous gauging of liquid media levels in tanks. The measuring principle used by the sensor exploits the physical effect of magnetostriction and is largely unaffected by temperature. Magnetostriction is particularly ideal... Read More
  • Multi-Point Level Sensors

    Gems custom length multi point level switches are an extremely versatile cost effective way to monitor multiple liquid level points within a single tank. These multi point units can be configured with two to seven independent switch actuation levels, depending on the series type. Only a single... Read More
  • Pressure Transducers

    When your applications require exceptional pressure sensing performance and long-life reliability, look to Gems to deliver. From vacuum to 10,000 psig (-1 to 689 bar), we've got you covered with the industry's largest selection and best choice of technologies. Our capacitance type sensors are... Read More
  • Reliable Moving Parts Pressure Switches

    Gems™ PS75 series pressure switches have all metal surfaces for overload stops and deliver reliable operation under extremely high pressure surges. They are designed with a wear disc and cushioning ring for increased life. The switches use a piston/diaphragm design which combines the high proof... Read More
  • Side-mounted Level Switch

    These units solve the problem of point level sensing in tanks with inaccessible tops or bottoms, or at intermediate locations in larger tanks. Operation is positive and dependable. The float pivots with changing liquid level, displacing a shuttle which magnetically actuates a hermetically sealed... Read More
  • Solenoid Valves

    The A Series solenoid valve gives you a highly adaptable design for practically all applications requiring flow between CV 0.019 and 0.300. This robust 2- or 3-way miniature solenoid utilizes a stainless steel body to resist corrosion for most acids, alkaline solutions, and harsh environments.... Read More
  • SureSite® Visual Indicators

    The safe alternative to cloudy, breakable sight glasses. High Visibility - Brilliantly colored flags are easy to read, even at great distances. The indicator is isolated from the measure media; therefore, Suresites can be used where sight glasses are not even a consideration. Durability -... Read More

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