SEC385 3-Axis high performance low cost Digital Compass Module

Accuracy: 0.5 degree Maximum Dip Angle:+-80 degree Small size: L60*59*29mm General DescriptionSEC385 is a high accuracy 3-Axis digital compass with 80°Dip angle compensation. Which uses advanced algorithms, with hard iron and soft iron corrections, to provide highly accurate heading information over its extra wide tilt range at latitudes up to 80°. The small size and low power requirements of the SEC385 allow it to fit into today’s size sensitive systems. These advantages make Witlink Corporation's SEC385 the choice for applications that require highest accuracy and performance anywhere in the world.Features include an extra wide tilt range, high accuracy compass heading, low powerconsumption, large signal noise immunity under all conditions, and a large magnetic field measurement range in a small package.The SEC385 combines USA patented Magneto-Inductive (MI) sensors and measurement circuit technology with a three-axis MEMS accelerometer for unparalleled cost effectiveness and performance. The magnetic sensors and accelerometers are calibrated to operate from -40 to 85°C; hence the measurement is very stable over temperature and inherently free from offset drift.SEC385 adopts high-tech levels such as MCU, Water-proof, dust prevention and anti-corrosion PCB, import cable,wide temperature metal-clad ,and so on, to improve the stability and reliability.FeaturesAccuracy: 0.5 °                  Maximum Dip Angle: ±80°RS232/RS485 Optional          Small size: L60*59*29mmBinary RS232 interfaceWidely working temperature: -40°C~+85°CSmall form factorLow power consumptionHard and soft iron correction with quality of calibration scoreApplicationsHigh performance ROV navigation              GPS system integrationVehicle tracking                              Remote terrestrial antenna direction indicatorsSonar targeting systems                      3-axis magnetic field sensingSurvey equipment                            AutopilotSatellite positioning Search                     Robotic systemsTechnical Datas

SEC385 Performance Specifications

  

  

Tilt Specifications

Parameters                         Typical                 Units
Heading accuracy	0.5°	Deg RMS
Resolution	0.1°
Repeatability   [1]	0.05°
Max Dip   Angle	85°	Deg

           

 

Parameters                     Typical                     Units
Calibrated   Field Measurement Range	± 0.8	Gauss
Magnetic   Resolution	± 0.5	mGauss
Magnetic Repeatability	± 1.0

           

 

Parameters                     Typical                     Units
Pitch   Accuracy	0.1° for Pitch < 20º	Deg RMS
	0.2° for Pitch < 40º
	0.4° for Pitch < 80º
Roll   Accuracy	0.1° for Pitch < 20º	Deg RMS
	0.2° for Pitch < 40º
	0.4° for Pitch < 80º
Tilt Range	± 80°	Deg
Tilt   Resolution	< 0.01°
Tilt   Repeatability [1]	0.05°	Deg RMS

           

 

Parameters	Typical	Units
Hard Iron   Calibration	Yes
Soft Iron   Calibration	Yes
Limited   Tilt User Calibration	Yes

           

 

Parameters	Typical	Units
Dimensions   (L x W x H)	60*59*29	mm
Weight	100	g
Mounting   Options	Screw mounts/standoffs; horizontal
Connector   for RS-232	4-pin

 

 

Parameters                     Typical                     Units
Supply   Voltage		5V (unregulated)	VDC
Current   Draw (Continuous   Output)	Max.	40	mA
	Typ.	20
Idle Mode   [2]		14 - 18
Sleep Mode		1

           

SEC385 3-Axis high performance low cost Digital Compass Module