Fluxgate Magnetometer

FGM-301/99

Description:

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The FGM-301/99 fluxgate magnetometer is a three-axis magnetic field sensing device qualified to the Army Missile Command specification MIS 40175. It is designed to provide quick response as well as accurate DC magnetic field measurements. With a bandwidth of 30 Hz, the unit allows the user to measure rapidly changing magnetic fields. This feature makes the FGM an excellent reference for heading gyro systems.
The unit provides accurate analog outputs that can be read using a voltmeter or a digital data acquisition system.
The fluxgate magnetometer assembly is a rigidly mounted device that senses magnetic flux density in three orthogonal axes. The output signal is DC voltage proportional to the magnetic field strength along each axis.

Applications:

Navigation Systems, Magnetic Field Measurements, Geological Mapping, Heading References, Vertical References, Traffic Control and Magnetic Mass Detection.

Features:

• MIS 40175 Qualified & Certified
• High Accuracy
• 2 Second Start-Up Time
• High Reliability
• Low Noise
• Low Power
• Small Size and Weight
• Low Cost
• One Year Limited Warranty
• Engineering Support

Fluxgate Magnetometer FGM-301/99 Specifications U.S. Army Missile Command MIS 40175 Qualified / Certified
Magnetic
	Range: X, Y, Z	±600 mGauss	±60,000 nTesla
	Analog Scale Factor:	±60 mGauss/V	±10V Output
	Scale Factor Accuracy:	2%
	Scale Factor Matching Between Axes:	< ±0.2%
	Scale Factor Temp Coefficient:	±100 ppm per °C	Typical
	Bias: X, Y, Z	< ±5 mGauss
	Non-Linearity:	< 0.01%
	Bandwidth:	30 Hz
	Noise:	< 0.3 mGauss rms (Typical)	<10 uGauss in 1 Hz bandwidth
	Output Ripple:	< 0.2 mGauss P-P
*	Z Axis Horizontal Stability:	±3°	< 7.3 mGauss
Environmental
	Temperature: Operating	-50°C to +71°C
	Temperature: Storage	-60°C to +80°C
	Vibration: Operating	3g rms	100 Hz to 1 kHz
	Vibration: Survival	4g rms	100 Hz to 1 kHz
	Shock: Survival	200g	10mS ½ sine wave
Electrical
	Input Power: Positive	+12 to +16VDC	0.18W
	Input Power: Negative	-12 to -16VDC	0.18W
	Input Current:	15mA @ ±12VDC
	Analog Output:	±10VDC
	Output Impedance:	1000 Ohm
Physical
	Axis Alignment:	< 0.3°
	Size: Including Mounting Flanges	1.0W x 4.18"L x1.0"H	2.5 x 10.6 x 2.5 (cm)
	Weight:	3.1oz (0.2lb)	90 grams (0.1Kg)
	Connection:	MS27473T12B35S
	Life:	> 50,000 Hrs MTBF
*	Heading accuracy based on the arctangent of magnetic readings.
•	Specifications are subject to change without notice.
•	This product may be subject to export restrictions. Please consult the factory.