Popular keywords: sensor, tilt sensor, electronic compass, fiber optic gyroscope, north finder, inertial navigation, combined inertial navigation, sinker, accelerometer
  • Product Name:3D electronic compass - SEC335 3D electronic compass attitude sensor

  • Main characteristics:Main features: SEC335/SEC330 is a high-precision three-dimensional electronic compass developed by Huilian, which adopts patented three-dimensional compensation technology, so that accurate heading data can still be provided even when the product is inclined at an inclination angle of 40. SEC335/SEC330 three-dimensional electronic compass is small in size and low in power consumption, which is more suitable for volume-sensitive measurement system and widely used in antenna stability, vehicle navigation, attitude reference and many other fields.

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Product Introduction


SEC335/SEC330 is a high-precision 3D electronic compass developed by Huilian, which uses patented 3D compensation technology to provide accurate heading data even at a tilt angle of ± 40 °.

The SEC335/SEC330 3D electronic compass has a small size and low power consumption, making it more suitable for volume sensitive measurement systems. It has been widely used in many fields such as antenna stability, vehicle navigation, and attitude reference.

Main characteristics

◆Accuracy: 1 °

◆ Tilt compensation range: ± 40 °

◆ Wide temperature range: -40 ℃~+85 ℃

◆ Lower working current: 35mA

◆Hard magnetic, soft magnetic, and tilt compensation

◆Standard RS232, RS485, TTL, CAN output interfaces

application area 

◆ Satellite tracking

◆Drilling equipment control and testing

◆ Optical rangefinder

◆ Stimulating military single soldier combat equipment

◆Underwater robot navigation

◆ Marine survey instrument

◆ Robot control

◆ Unmanned aerial vehicles

Product indicators

Performance indicators
Compass heading parametersHeading accuracy1°[1](RMS)
resolving power0.3°
Repeatability0.3°
Compass tilt parameterPitch accuracy0.15°
Rolling accuracy0.15°
resolving power0.01°
Tilt compensation range±40°
calibrationHard iron calibrationhave
Soft iron calibrationhave
Limited tilt user calibrationhave
physical characteristicssizeL59 x W37 x H22.6 (mm) (SEC335)
L33×W27×H6(mm)(SEC330)
weight100 grams (SEC335)
10 grams (SEC330)
Interface connector7 needles
Interface characteristicsStartup delay50 milliseconds
Maximum sampling rate50 times/second
Serial communication speed2400 to 115200 baud rates
Output formatBinary high-performance protocol
Power SupplySupport voltageDC+5V
Current (maximum)40mA
Working mode35mA
environmentworking temperature -40℃--+85℃
Storage temperature-45℃--+125℃
Impact resistance3000g

[1] In a uniform magnetic field

Electrical connection

12345
Line colorRED BLUEBLACKGREENYELLOW
functionPositive pole of power supply DC 5VNCGND GroundReceive RXD (B, or D -)Send TXD (A, D+)

For more information,please click on the product manual at the top right to download