Allegro Microsystems Inc. develops and manufactures Hall Effect sensor ICs used for gear-tooth sensing, direction detection, linear sensing, speed sensing, position sensing and no contact switching. The company's linear Hall Effect sensors feature supply voltages of 4.5 to 18V, and typical sensitivity of 1.3 to 11.25 mV/G.

Baumer Ltd. manufactures Hall Effect sensors that feature 12x60mm full metal housings. With nominal distance of 0.5 mm or 1mm, the sensors pick up rotational direction or RPM speed. The sensors also feature response times of less than 15 kHz or 20 kHz.

Dart Controls Inc. designs a C-Face Hall Effect sensor that monitors motor speeds when access to a motor shaft is typically impossible. The sensor operates at a 4.5 to 24 volt level and produces a square wave output that can be used with the company's tachometers, closed loop controls, or other digital devices. Depending on model, the sensor also feature 1 to 60 pulses/revolutions.

Honeywell Sensing & Control designs and manufactures Hall Effect rotary position sensors that sense the rotary movement of an actuator shaft. Features of the sensors include a supply voltage range of 10 Vdc to 30 Vdc, current input of 15mA maximum, accuracy of plus or minus 0.5, and output signal ranges of 0.25V to 4.75V and 3V to 5V.

Spectec designs Hall Effect speed sensors including magnetic Hall Effect sensors, Hall Effect gear tooth sensors, Hall Effect quadrature sensors, intrinsically-safe Hall Effect sensors, and custom sensors. The Hall Effect gear tooth sensors can detect gear teeth as small as .10" wide and .10" deep. The company also produces zero speed Hall Effect sensors used as vehicle speed sensors, wheel speed sensors, and in ABS brake systems.

A.I. Tek Instruments manufactures a number of Hall Effect sensors that feature a temperature of -40 to 125C, tracking or TTL outputs, and thread lengths of 1.375, 1.50, 1.63, 2.75, and 4. The sensors can detect change in target movement , regardless of speed, from near zero to 15 kHz frequency range.

BEI Sensors manufactures Hall Effect sensors that can resolve up to 3600 degrees of motion and feature an operational life exceeding 10 million cycles. The sensors can be installed on circuit boards or mounted to mechanical assemblies, and feature several termination options, including integral connectors, surface mount, or flying leads. The sensors are found in transportation, aerospace/defense, and industrial applications.

Infineon Technologies manufactures Hall Effect sensors for a number of applications including: automotive, industrial and consumer systems; BLDC motor control; position detection; index counting; and low power switches. The sensors are available with voltage interface, two-wire current interface, and double latch; and can deliver consistent outputs regardless of temperature.

Tyco Electronics designs and manufactures integrated magnet Hall Effect sensors and external magnet Hall Effect sensors. The external magnet sensors are used for applications that require sensing through non-ferrous materials. The integrated magnet sensors feature a U-magnet configuration for increased measuring sensitivity and insensitivity against external deranging influences.

Cherry develops and manufactures industrial-grade Hall Effect geartooth speed sensors, commercial-grade Hall Effect sensors, and flange mount Hall Effect sensors. Depending on type, the various sensors feature adjustable stainless steel, plastic, adjustable aluminum, and threaded housings. Some of the sensors are used to detect speed and direction of ferrous geartooth targets.

Cryomagnetics Inc. produces three Hall Effect sensor models including the HSU-series, which has an active sensing area of 100 x 100 um. All the sensors feature a magnetic field range of 0-33T or 0-30T, a temperature range of 1.5K-300K, and nominal current inputs of 20mA to 100mA.

Melexis Microelectronic Systems develops linear Hall Effect sensors, programmable linear Hall Effect sensors, dual programmable linear Hall Effect sensors, and special-purpose Hall Effect sensors. The company's linear sensors' accuracy is not affected by fluctuations of 10 percent in supply voltage. The sensors also feature active error correction circuitry that nearly eliminates mistakes associated with typical Hall Effect devices.

Newark supplies Hall Effect sensors manufactured by Hamlin Electronics and Pepperl + Fuchs. The various sensors feature sensing ranges of 0mm to 1.5mm, 0mm to 12.5mm, and 2.03mm to 3.81mm; with output voltages of 0.35 VDC or 0.4VDC.

State Electronics Inc. distributes two series of Hall Effect position sensors that produce an analog voltage output of 0 to 5 volts. One of the sensors is a 7/8" device that has continuous rotation, plus or minus 0.5 percent independent linearity, and 0.2 percent maximum hysteresis. The other sensor has a rated life of more than 50 million operations, and is intended for harsh environments that feature temperature, vibration, dither, moisture and dirt.

TTI Inc. is a supplier of board mount Hall Effect sensors and industrial Hall Effect sensors produced by Honeywelll/Microswitch, Optek, Meder Electronic, Murata, Toshiba, and Vishay/Spetrol.

Electronic Surplus Inc. distributes Hall Effect sensors manufactured by Micro Switch, Allegro, Cherry Electrical Products, Optek, Meriam Instruments, AKE, Sprague, Dialight/Dialco, Sentron, and Honeywell.

Optek, a TT Electronic Company produces Hall Effect sensors that feature bi-polar latching, linear ratiometric, and unipolar non-latching outputs. All the sensors feature a minimum and maximum voltage of 4.5V and 24 V.

Sensor Solutions develops resistive Hall Effect switch sensors that feature digital output, and detects magnets, magnetic fields, presence, or count events. With the ability to resolve linear or rotational speed, the sensors have true 0 speed to 20,000 Hz, and are DC powered from 2.5 to 30 volts.

Electro-Sensors is a supplier of hazard monitoring systems and machine monitoring sensors for industrial applications. Product offerings include hall effect sensors in standard, biased and bi-directional configurations. Hall-effect sensors are available in standard and miniature sizes.