Magnetic & Hall effect

A family of sensors allowing to measure linear movements, angles, position, speed...

Honeywell has a few years of experience with these technologies and offers a range that combines performance, reliability and cost.

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omnipolar magnetoresistive sensor IC

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High sensitivity: 7 Gauss typ., 11 Gauss max. (SM351RT and SM451R); 14 Gauss typ., 20 Gauss max. (SM353RT and SM453R) • Supply voltage range of 3 Vdc to 24 Vdc simplifies design- in • Omnipolar sensing • Temperature range of -40°C to 85°C [-40°F to 185°F] • RoHS-compliant materials: Meets Directive 2002/95/EC • SOT-23 or flat TO-92-style package Ultra-sensitive devices designed for manufacturers who need a durable and reliable speed or position sensor for large air gaps or small magnetic fields in standard power (3 Vdc to 24 Vdc) applications. Respond to either North or South pole applied in direction parallel to sensor; do not require magnet polarity to be identified, simplifying installation and potentially reducing system cost. SOT-23 and flat TO-92-style packages, as well as two magnetic sensitivities, accommodate variety of application needs. SOT-23 surface mount package supplied on tape and reel (3000 units per reel) for use in automated pick-and-place component installation. Potential industrial applications include high frequency flow sensing in HVAC, water, fuel, and gas utility meters; anti-tamper detection in water, electric, and gas utility meters; liquid level detection, motor RPM sensing, and in-cylinder position sensing. Potential medical applications include RPM sensing and magnetic interrupt in exercise and rehabilitation equipment,absence/presence detection in infusion pumps, position sensing of medication dispensing cabinet drawers, and incline position sensing in hospital beds. Potential white goods applications include lid, door and drawer position detection, fluid flow detection, and liquid level detection.

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