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  • Application: SME Fluid Level, Pressure, and Flow Sensors
    The desire for more information and convenience, along with worldwide water and energy conservation initiatives, has led to a flurry of new fluid level magnetic and conductive sensor designs. Appliances are the number one adopter of the technology, with HVAC (condensate level sensing
  • Analog Sensor Conditioning Circuits - An Overview
    note. The applications mentioned are: Electrical Magnetic Temperature Humidity Force, Weight, Torque and Pressure Motion and Vibration Flow Fluid Level and Volume Light and Infrared (IR) Chemistry
  • AVFM 5.0 Monitors Sewage Lagoon Discharge Flow
    The Township of South Glengarry installs a new Greyline AVFM 5.0 to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12" PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.
  • Virtual Sensors for Advanced Pharmaceutical Process Control
    and provide continuous rather than sample-based quality verification. Infrared (IR), near infrared (NIR), nuclear magnetic resonance (NMR) and Raman spectroscopy are all being used for pharmaceutical PAT. The virtual sensor technology provides huge opportunities for pharmaceutical PAT, in applications
  • Part 2-Flow Energy Management Applications-Installation Tips & Tricks
    distortion in the flow profile. Check your specific piping condition against the examples shown below. In order to achieve accurate and repeatable performance, install the flow meter using the recommended number of straight-run pipe diameters upstream and downstream of the sensor. The chart below shows
  • Common Mode Field Rejection in Coreless Hall-Effect Current Sensor ICs
    Allegro current sensor ICs use the Hall-effect to measure the magnetic field produced by an integrated, current carrying loop, translating the magnetic field to a voltage which is proportional to the current flow. This technology has many advantages, including galvanic isolation, low power loss
  • The Future of Automotive Wheel Sensing with GMR
    Magnetic sensors are used extensively in modern vehicles, serving to measure the position of moving parts, rotation angles, and the flow of electric current. The versatility, reliability, and economy of these contactless silicon-based sensors make them uniquely suited for automotive and industrial
  • Commutation of a BLDC Motor with Various Pole-Pairs Can Be Simplified By Using Absolute Encoder Feedback - White Paper (.pdf)
    fashion. Commutation of a brushless DC motor is dependent on the position of the rotor. It is essential to have feedback devices attached to the motor shaft to indicate the current rotor position to the controller. With various forms of feedback devices available, magnetic hall sensors and optical

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