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  • Sensor Sense: Passive Infrared-Motion Sensors
    being sensed. The most common object a PIR sensor detects is the human body, so these sensors find use in automatic light switches, alarm systems, and door openers. Any object with a temperature above absolute zero emits infrared energy through black-body radiation. This energy is invisible
  • Electrical Specifications: Float Assemblies with SPDT Switches and Temperature Switches (.pdf)
    Each switch wire group, will be separated and marked for easy identification. Assemblies with SPST and SPDT in the same sensor will typically follow standard color code unless customer specifies differently. Use an ohmmeter ONLY to check switch operations. Switch open resistance will be infinite
  • Mercury-free switches
    to ensure proper operation in cold temperatures. The silicone fluid mainly serves to minimize chatter that arises naturally when the metal ball touches the metal contacts of the switch. Ordinary mercury switches experience no chatter because the mercury provides a wetting effect. The rolling action
  • Conductivity Level Switches
    Conductivity switches are solid-state devices that detect the presence or absence of electrically conductive liquids. They do so by sending a small current through their probe tip. Current flowing between the sensor and some reference (often the metal tank holding the liquid) is compared inside
  • Application: Electric Toothbrush On/Off Switch (.pdf)
    temperatures and acidity/alkalinity levels. This environment attacks the electrical contacts in the slide switch and in many cases, after a short time the slide switch fails to turn the toothbrush on and off. Going to a Reed Sensor has eliminated this problem.
  • Danfoss MBS 1200 makes a mark in sub-zero temperatures
    Over the years, Danfoss has built up a constructive and ongoing relationship with Indian-based ELGI, Asia's largest manufacturer of air compressors and ATS ELGI service station equipment. As a preferred supplier, Danfoss provides ELGI with a wide range of switches, transmitters and sensors
  • Ferro Techniek's E-FAST® Sensor Technology
    Why use E-FAST®? Because our elements are high powered, fast and extremely responsive, any lack of dissipation of the heat due to abnormal use, dirt or scaling should be detected immediately. Bimetal switches, thermal fuses, NTC's and other present-day temperature protective devices are limited
  • Gages and Meters
    on electrical meters or gages. If switches are necessary to initiate system action, they can be readily obtained; pressure and temperature switches are typically gaging elements with a snap-action or solid-state switch included. Fluid level in the reservoir can be monitored inexpensively. The simplest

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