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Rugged 3 Axis Digital Compass Sensor For Antenna Positioning EC326

Rugged 3 Axis Digital Compass Sensor For Antenna Positioning EC326

Brand Name : SkyMEMS
Model Number : EC326
Certification : CE, FCC, ROHS
Place of Origin : Nanjing, Jiangsu
MOQ : 1PCS
Price : discuss personally
Payment Terms : Western Union, MoneyGram, L/C, T/T, D/A, D/P
Supply Ability : 1000PCS for month
Delivery Time : 3-5 days after payment
Packaging Details : Strong carton with PET strap for EC326 3 Axis Digital Compass
Digital Compass Axis Number : 3
Heading Accuracy :
Heading Resolution : 0.1°
Magnetic Field Range : ±1.5Gauss
Magnetic Resolution : ±0.5mGauss
Pitch Accuracy : 0.15° RMS
Roll Accuracy : 0.15° RMS
Tilt Range : ± 40°
Tilt Resolution : 0.01°
Hard Iron Calibration : Yes
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Digital Magnetic Compass System Rugged 3 Axis Digital Compass Sensor for Antenna Positioning EC326


Product Description

EC326 3 Axis Digital Compass is a high accuracy 3-Axis digital compass with 40° tilt angle compensation. EC326 adopts MEMS's proprietary hard- and soft-iron correction algorithms, MEMS calibrate out most magnetic anomalies for repeatable, high-resolution measurement across a broad range of navigation and tracking applications. A patented tilt compensation make EC326 maintain high accuracy heading even in 40° tilt angle.


Main Features

RS232/RS485/TTL Optional
Accuracy: 1°, Resolution:0.1 °
Hard and soft magnetic compensation
Low power consumption
Widely working temperature: -40℃~+85℃
Small size: L55mm*W37mm*H24mm

Conforming to CE certificate


Typical Application

EC326 3 Axis Digital Compass Sensor is widely used in indoor and outdoor applications in harsh industrial environments, such as:

- Compassing & Navigation

- Attitude Reference

- Satellite Antenna Positioning

- Platform leveling

- GPS Integration

- Laser Range Finders


Technical Specifications

Technical Specs
ParametersTypicalUnits
Heading accuracy1° (Tilt <40°)Deg RMS
Resolution0.1°
Max tilt Angle40°Deg
Calibrated Field Measurement Range±1.5Gauss
Magnetic Resolution± 0.5mGauss
Pitch Accuracy0.15°(Tilt < 40°)Deg RMS
Roll Accuracy0.15°(Tilt < 40°)Deg RMS
Tilt Range± 40°Deg
Tilt Resolution0.01°
Hard Iron CalibrationYes
Soft Iron CalibrationYes
Dimensions (L x W x H)L55*W37*H24mmmm
Weight25g
Mounting OptionsScrew mounts/standoffs; horizontal
Connector for RS-2325-pin
Latency from Power-On< 50mSec
Maximum Sample Rate50samples/sec
Communication Rate2400 to 19200baud
Output FormatsBinary
Supply Voltage5VVDC
Current Draw (Continuous Output)Max40mA
TYP30

Competitive Advantages

High Performance 3 Axis Digital Compass sensor
- High heading accuracy
- Hard and soft magnetic compensation
- Full tests and individual calibration from -40 to 85°C
- High cost effective


FAQ

What is Magnetic Field Distortions?

Nearby Ferrous materials is another consideration for heading inaccuracy. Since heading is based on the direction of the earth's horizontal field a digital compass must be able to measure this field with lesser influence from other nearby magnetic sources or disturbances.

The amount of disturbance depends on the material content of the platform and connectors as well as ferrous objects moving nearby. When a ferrous object is placed in a uniform magnetic field it will create disturbances as shown in this figure. This object could be a steel bolt or bracket near the compass or an iron door latch close to the compass. The net result is a characteristic distortion, or anomaly to the earth’s magnetic field that is unique to the shape of the object.

Magnetic distortions can be categorized as two types of hard iron and soft iron effects. Hard iron distortions arise from permanent magnets and magnetized iron or steel on the compass platform. These distortions will remain constant and in a fixed location relative to the compass for all heading orientations. Hard iron effects add a constant magnitude field component along each axes of the sensor output. This appears as a shift in the origin of the circle equal to the hard iron disturbance in the Xh and Yh axis

To compensate for hard iron distortion is usually done by rotating the compass and platform (your car) in a circle and measure enough points on the circle to determine this offset. Once found, the (X,Y) offset can be stored in memory and subtracted from every reading. The net result will be to eliminate the hard iron disturbance from the heading calculation.

The soft iron distortion arises from the interaction of the earth’s magnetic field and any magnetically soft material surrounding the compass. Like the hard iron materials, the soft metals also distort the earth’s magnetic field lines. The difference is the amount of distortion from the soft iron depends on the compass orientation.


Product Tags:

high accuracy digital compass

      

magnetic compass sensor

      
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