HONEYWELL 51ML72 Central control module

Honeywell 51ML72 Overview

The Honeywell 51ML72 is a Hall effect linear position sensor from Honeywell Sensing and Control. It is designed to provide an analog output voltage that is proportional to the magnetic field strength. These types of sensors are commonly used to detect position changes in linear or rotary motion.

Product Detailed Description

• Function:

• Senses magnetic field strength and converts it into an analog voltage output.

• The output voltage has a linear relationship with the magnetic field strength.

• Can be used to detect the position, movement, or proximity of objects.

• Features:

• Linear output characteristic.

• Small package size for easy integration.

• Low power consumption.

• High reliability and durability.

• Suitable for both DC and AC magnetic fields.

Product Parameters

As specific model suffixes may indicate particular configurations, the following are some typical parameters for Honeywell Hall effect linear position sensors. Always refer to the official datasheet for the specific model for accurate parameters:

• Supply Voltage (Vs):

• Typically 4.5 V DC to 10.5 V DC.

• Output Voltage Range (Vout):

• Typically in the range of 0.5 V to 4.5 V or similar, depending on the magnetic field strength.

• Linearity:

• Typically within ±1% or ±2% FSO (Full Scale Output).

• Sensitivity:

• Expressed in mV/Gauss or mV/mT, indicating the rate of change of output voltage with magnetic field strength.

• Operating Temperature Range:

• Typically -40 °C to +100 °C or similar.

• Package Type:

• May be SIP (Single In-line Package) or other small surface mount packages.

• Magnetic Field Range:

• The range of magnetic field strength that can be detected, depending on the specific model.

• Output Type:

• Analog voltage output.

Product Advantages

• Linear Output:

• Provides a voltage signal proportional to the magnetic field strength, facilitating precise position or motion measurement.

• Small Size:

• Compact package size allows for easy integration in space-constrained applications.

• Low Power Consumption:

• Reduces the overall power consumption of the system.

• High Reliability:

• Solid-state design with no mechanical wear, offering a long service life.

• Non-Contact Sensing:

• Operates by sensing magnetic fields, eliminating the need for direct contact with the measured object, reducing mechanical wear and failure.

• Wide Operating Temperature Range:

• Suitable for various industrial environments.

Precautions

• Correct Power Supply:

• Ensure the supply voltage is within the specified range.

• Magnetic Field Source:

• Requires the use of a suitable magnet or a magnetic field-generating object. The strength and polarity of the magnet will affect the sensor's output.

• Mounting Position:

• The mounting position and orientation of the sensor will affect its detection results. Adjustments may be necessary depending on the specific application.

• Avoid Strong Magnetic Interference:

• Avoid exposing the sensor to excessively strong external magnetic fields, which may affect its performance.

• Temperature Effects:

• The sensitivity and output of the sensor may be affected by temperature changes. Temperature compensation may be necessary in precision measurement applications.

• Electrostatic Discharge (ESD) Protection:

• Take precautions for electrostatic discharge (ESD) protection during handling and installation.

Product Applications

Honeywell 51ML72 or similar Hall effect linear position sensors are widely used in various fields, including but not limited to:

• Automotive Electronics:

• Throttle pedal position sensors.

• Steering angle sensors.

• Throttle position sensors.

• Gear shift lever position sensors.

• Industrial Automation:

• Linear slide position detection.

• Cylinder or hydraulic cylinder position feedback.

• Position sensing elements in rotary encoders.

• Proximity switches.

• Medical Equipment:

• Position feedback in precision motion control systems.

• Home Appliances:

• Position detection in washing machines, refrigerators, etc.

• Robotics:

• Joint position and motion detection.

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