Fluxgate Magnetometers

Sensor	LEMI-011	LEMI-019	LEMI-022	LEMI-024	LEMI-029	LEMI-031

Sensor	LEMI-011	LEMI-019	LEMI-022	LEMI-024	LEMI-029	LEMI-031
Application	Super low power applications	Detection of slow moving magnetic fields	Precise measurement of Earth's magnetic field	Cost-effective 3-channel fluxgate	Measurement of Earth's magnetic field	Low power designed to be embedded into a host system
Measurement Range	+/- 50,000 nT	Unfiltered +/- 60,000 nT Filtered +/- 15 nT	+/- 68,000 nT	Unfiltered +/- 80,000 nT Filtered +/- 200 nT	Unfiltered +/- 78,000 nT	+/- 53,000 nT
Frequency Range	0-20 Hz	Unfiltered DC - 15 Hz Filtered 0.02 - 5 Hz	0 - 0.03 Hz	Unfiltered DC - 500 Hz Filtered 0.003 - 10 Hz	DC to 180 Hz	DC - 15 Hz
Sensitivity	45 mV/nT	Unfiltered 0.05 mV/nT Filtered 270 mV/nT	Analog 2.4 mV/nT Digital resolution 0.033 nT	Unfiltered 0.056 mV/nT Filtered 22.4 mV/nT	N/A	0.6 mV/nT
Noise Level	0.1 nT / √Hz @ 5 Hz	≤15 pT / √Hz @ 1 Hz	<10 pT / √Hz @ 1 Hz	≤6 pT / √Hz @ 1 Hz	≤6 pT / √Hz @ 1 Hz	<25 pT / √Hz @ 1 Hz
Number of Axis	3	1	3	3	3	3
Orthogonality error of sensor axes, max	+/- 2°	N/A	<30 min of arc	N/A	N/A	<2°
Power	2.5-5.5 mA @ 5 V	≤ 30 mW	<0.7 W	≤350 mW	425 mW	<10 mW
Dimension	Sensor: 50 x 16 x 16 mm Monoblock "tube": 160 x 20 x 7 mm Monoblock "box": 115 x 60 x 27 mm	Sensor: 60 mm (L), 17 mm (D) Box: 100 x 20 x 40 mm	Sensor with support: 2.7 kg Electronic unit: 1.8 kg	Sensor w/o cable: 76 mm (L), 76 mm (D) Box 110 x 75 x 67 mm	Sensor: 62 mm (L), 38 mm (W), 38 mm (H)	Sensor: 70.5 mm (L), 32 mm (D) Electronics board: 84 mm (D), 22 mm (H)