Fluxgate magnetometers

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)