HMR2300-D21-232

Operating Temperature:	-40°C ~ 85°C (TA)
Series:	HMR
Part Status:	Active
Type:	Digital Magnetometer
Axis:	X, Y, Z
Measuring Range:	±2 Gauss
For Measuring:	Strength, Direction of Magnetic Field
Resolution:	67 µGauss
Package / Case:	Module with Case
Interface:	RS-232

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Introduction

The HMR2300-D21-232 is a magnetic sensor that uses a sophisticated Hall Effect technology to measure the magnetic field around it. This brings reliable, accurate and repeatable measurements to many applications from navigation to electromagnetic compatibility testing. This type of magnetic sensor is sometimes referred to as a "compass", due to its ability to detect the direction of a magnetic field.

Application Field

The HMR2300-D21-232 magnetic sensor is most commonly used for navigation applications, where it is leveraged to detect the direction of the magnetic field around it. This is useful for applications such as robot navigation or aircraft heading indication.In addition to navigation applications, the HMR2300-D21-232 can be used in Electromagnetic Compatibility (EMC) testing to detect the output of electromagnetic fields. This allows engineers to gain an understanding of the potential interference with other electronic systems, as well as to measure the output of an electronic device in a testing environment.Finally, the small, lightweight size of the HMR2300-D21-232 makes it an excellent choice for applications requiring miniature magnetic sensors, such as implantable medical devices or tiny consumer electronics.

Working Principle

The HMR2300-D21-232 works by utilizing the Hall Effect. The Hall Effect is a phenomenon where an electric current passing through a semiconductor will generate a transverse electrical field. This is accomplished by the HMR2300-D21-232 by embedding a thin layer of hall-effect material in its center.When a magnetic field is present around the sensor, this specialized material will generate a voltage that is proportional to the magnitude of the applied magnetic field. This voltage can then be used to measure the strength and direction of the magnetic field with a high degree of precision.In addition to measuring the strength and direction of a magnetic field, the HMR2300-D21-232 can also be used as a digital compass. This is achieved by using two hall-effect semiconductors that are in opposite directions. This allows the direction of the magnetic field to be determined to within 1 degree accuracy.

Conclusion

The HMR2300-D21-232 is a versatile magnetic sensor that can be used for a variety of applications such as navigation, EMC testing, and miniature sensing. By using Hall Effect technology, it is able to measure the strength and direction of a magnetic field with a high degree of precision. The small size and lightweight design of the HMR2300-D21-232 make it an ideal choice for a variety of applications.

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