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Hall-Effect Sensors

July 2020

an Amphenol company

In 2017 Amphenol acquires Piher.

Amphenol is a global leader in electronics interconnects, fiber- optic connectors, antennas, sensors and high-speed specialty cables.

•Publicly traded company NYSE – APH.•Headquartered in Wallingford, Connecticut, USA.•2018 Revenue 7.011 Billion $’s.•2019 Revenue 8.202 Billion $’s.•Over >70,000 employees.

Piher Sensing Systems

Automotive & Industrial Air

QualityPiezoelectric Transducers

Gas & Moisture Temperature

Pressure

Pressure

Ceramics

Piezoelectric Ceramics

Medical Devices

Off-shaft sensing

On-Shaft sensing

Measurement of toxic gases & oxygen

Catalytic Bead Pellistors

MEMS type gas sensor

Pressure Sensors

Gas Sensing – CO2

Humidity &Dust sensing

digital pressure sensors

Ultra-stable Low pressure

Level, Quality, Pressure, Speed

Fluid level & concentration

Ultrasonic, Speed & Pressure

Mass Air Flow, Pressure & Temperature

Vibration sensors

P+T sensors

Vibration sensors Potentiometers

Position

Printed Electronics

Amphenol Sensing Technology Group (ASTG)

Our history

250 employees

$ 26 million in sales+60% customized products

Manufacturing locations:Spain & China

2020

Our markets and products

Hall Effect position sensors__________________________

Inductive position sensors _________________________

Printing Electronics______________

Rotary and Linear switches and potentiometers__________________________

Speed sensors__________________________

Value add Assemblies

Revenue split by markets

Contactless SensorsHall-effect

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© Piher Sensors & Controls SA. Proprietary

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Single, redundant and

full‐redundant outputs

Hall‐effect technology

Main electrical & mechanical specifications

Standard specifications

5V, 12V, 15 V standard 

voltage input

Analogue

PWM

SPI

Up to IP67 level protection

>IP67 on custom designs

Absolute output 

with +/‐1% linearity error

and up to 0.5%

‐40ºC / +85ºC

‐40ºC / +125ºC

Harsh environments

Long life 50 Million cycles

Programmable custom 

output curve and 

switch signal

Others upon request

Contactless sensors Hall-effect

© Piher Sensors & Controls SA. Proprietary

Main advantages vs other technologies

• Shaft misalignment• Dust and moisture

• Lifetime limitation• Electrical output

<360 degrees

• Lifetime ilimitation• Electrical output 360

degrees• Harsh envirorments

(misalignment, dust, moisture, etc…)

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Contactless sensors Hall-effect

Working principle

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Applications

Agriculture & Construction Vehicules/ Technologies

Material Handling Industry 

Other Off‐High way vehicles  (cleaning, wheelchair, etc.) 

Medical, Marine, Energy, 

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AGRICULTURE

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CONSTRUCTION AND MINING

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MATERIAL HANDLING

Marine

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Automotive

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Steering angle sensor

Pedal sensor

Contactless sensors Hall-effect

PSC360 PSC360U

© Piher Sensors & Controls SA. Proprietary

Hall-effect sensorsEnd-of-shaft

Forklift ControlProduct/s: PSC360U

© Piher Sensors & Controls SA. Proprietary

Hall-effect sensorsEnd-of-shaft

Forklift Wheel Position SensorProduct/s: PSC360

Pedal positionsensor

Product/s: PSC360 IC

Pedal accelerator modules for engine controls and motor drive control units in a rider scrubber machine

Hall-effect sensorsEnd-of-shaft

Solar trackers

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Main feature: The customer can calibrate to zero once assembled.

Hall-effect sensorsEnd-of-shaft

Product/s: PSC360

© Piher Sensors & Controls SA. Proprietary

Wind turbines• In wind turbines the PSC-360

can feedback the angle of the blades and the position of the head to always face the wind.

• PSC360´s high resolution allows to have a precise control of the blades’ angle.

• Extreme vibration, shock or temperature does not affect the sensor

Hall-effect sensorsEnd-of-shaft

Product/s: PSC360

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Competitors comparisonBRAND MAIN ADVANTAGEMODEL

Hall-effect sensorsEnd-of-shaft

Contactless sensors Hall-effect

PST360 MTS360 MTS360PCB

• Mechanical integrity that matches customer´s application by design• Unique shaft mounted design that mounts at the pivot point of the application• No levers, connecting rods or mechanical interfaces needed

Steer-by-wire sensor

Product/s: PST360

• The rotary position sensor indicates rotary position of a steering wheel located inside the tractor cab

• At the tractor level, rotary position data will be processed by the steering controller

Hall-effect sensorsThrough-shaft

Throttlecontrol for floor cleaning machines

Product/s: PST-360

Hall-effect sensorsThrough-shaft

© Piher Sensors & Controls SA. Proprietary

Forklift steering & lift/lower

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Hall-effect sensorsThrough-shaft

Product/s: PST-360

© Piher Sensors & Controls SA. Proprietary

• Complex and expensive incremental encoder systems are often used in turbines

• These can easily be replaced by Piher´s contactless• hollow shaft position sensors

Hall-effect sensorsThrough-shaft

Product/s: PST360

Wind turbines

© Piher Sensors & Controls SA. Proprietary

Hall-effect sensorsThrough-shaftInkjet printer, positioning of roll

Product/s: PST360

© Piher Sensors & Controls SA. Proprietary

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Pan and tilt sensing position for a harsh environment surveillance camera

Product/s: PST360

Hall-effect sensorsThrough-shaft

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Competitors comparison

BRAND MAIN ADVANTAGEMODEL

Hall-effect sensorsThrough-shaft

Marine electronic throttle feedback sensor

Twin engine double station clutch/throttle actuator Twin engine four station clutch/throttle actuator

Output: simple 000

Without switch

Output function simple: SPI

ERA: 360º

Product/s: MTS-360

Hall-effect sensorsThrough-shaft

Aircraft haptic active sidestick

Two Degrees-Of-Freedom joystick actuated by cable mechanisms that create control feedback from the aircraft or the other pilot.. All hardware and software are packaged within a single line-replaceable unit that interfaces with the aircraft’s flight control computers, while dedicated electrical links connect the pilot and copilot inceptors. This ensures both sidesticks move together in response to both pilot and autopilot commands, providing crew situational awareness equivalent to conventional pilot controls. Target: transport airplanes and helicopters.

One redundant MTS-360 position sensor is placed in each axis (gimbal pivot joint).

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Product/s: MTS-360

Hall-effect sensorsThrough-shaft

SensorsPST360 Valve camshaft position

MT360PCB

Camshaft position

MTS360PST360

Non-contactCamshaft rotaryPosition sensing

Our hollow-shaft sensors can be fitted anywhere on the CAMshaft with virtually unlimited mechanical life and low profile.

Pivoting shaft

VentilatorsMedical-Healthcare

Hall-effect sensorsThrough-shaft

Product/s: MTS360, PST360

© Piher Sensors & Controls SA. Proprietary

MTS-360 (without housing and with cable output) into the customer’s housing

Hall-effect sensorsThrough-shaft

Product/s: MTS360

Medical-HealthcareProsthetic ankle

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Competitors comparison

BRAND MAIN ADVANTAGE

Hall-effect sensorsThrough-shaft

Contactless sensorsHall-effect

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Something that is truly contactless. One magnet, One electronics module. No gears. Nothing to wear out over a lifetime.

• True touchless operation: free from wear and tear. 

• Low profile & robust magnetic design that easily adapts to your design. 

• Maximum air gap range: 5mm. For higher air gap: check availability. 

• Unlimited mechanical life

PS2P-LIN PS2P-CON

Gearbox position sensor.Product/s: PS2P-CON

Typically, the magnet is attached to the end of the gearbox’s input shaft and the sensor is placed outside the gearbox’s housing.

Our sensor detects the position of the gear, such as first or second, and sends the data as electric signal to the Engine Control Unit (ECU). It generates an output voltage proportional to the angle of the input shaft.

There is an air gap between the magnet and the sensor, so there is no wear that otherwise would result in mechanic abrasion and electrical discharge sparks.

Benefits of contactless gear shift sensor: • Hall effect based: no wear.• Easy to install, maintain and replace.• Redundancy and self-diagnostics..• It is not affected by dust or moisture compared to

light-based solutions (optical encoders and others).• Improved reliability and precision.• Keeps position on power loss.• Tolerant to misalignment.• Functionality: Analog, SPI or PWM outputs.

Input shaft

MagnetSensor

Fast setup Reliable Functional

Air gap

Hall-effect sensorsAir gap

© Piher Sensors & Controls SA. Proprietary

The sensor module feedbacks the angle

of the motor shaft and transmits it

through the internet of things (IoT).

The ON/OFF status indicators are changed by a rotating long motor shaft.

Smart IoT Angle Sensor Module.

Magnet for the motor shaft.

PS2P-CON sensor inside

Hall-effect sensorsAir gapVacuum circuit breaker Smart IoT Angle Sensor Module

Product/s: PS2P-CON

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Competitors comparisonBRAND MAIN ADVANTAGEMODEL

Hall-effect sensorsAir gap

Contactless sensorsHall-effect

*Custom solution only

Hall-effect sensorsAir gap- arc sensor

Hall-effect sensorsAir gap- arc sensor

Outboardangle engine sensor

Product/s: Two-piece arc sensor

This sensor feedbacks the angle of the outboard engine.

Enabling theElectronics RevolutionPiher Sensors & ControlsPolígono Industrial MunicipalVial T2, 2231500 Tudela – NavarraSpainTel: +34 948 82 04 50Fax: +34 948 82 40 50

www.piher.netwww.amphenolsensors.com

Piher ChangzhouBuilding 10B2, Jinton Industrial ParkNo. 8 Xihu Road, Wujin High-Tech Development ZoneChangzhou, Jiangsu 213164ChinaTel: +86-519-83055188