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DM-050

Product catalog summary

System Overview
The DM Series Digital Magnetometers utilize STL's advanced ADC technology, offering 32-bit resolution and a 26-bit dynamic range. These magnetometers employ fluxgates as magnetic sensors and integrate DXS for digital signal processing, resulting in sensors with digitally corrected geometry and temperature errors. They measure up to 1 mT with precise digitization immediately after sensor output, capturing three orthogonal field components at a maximum sample rate of 10 kHz. The system features low intrinsic noise levels and includes a virtual channel for total field measurement. Digital signal conditioning minimizes typical errors such as axes misalignment and temperature-induced drifts.

Highlights of the DM Series

Low noise, large dynamic range, and high linearity.
Digital temperature compensation to minimize drifts.
Digitally corrected sensor output for scaling, offset, orthogonality, and alignment errors.
Single coaxial cable for power and data transmission with minimal magnetic signature.
Applicable in various fields including geophysical, naval, military, and scientific research.

Technical Data for DM-050

Channels: 3
Dimensions: Diameter 48 mm, Length 150 mm
Weight: 0.3 kg
Noise: < 50 pT/√Hz at ±1000 µT
Resolution: 2 pT
Sample Rate: 0.1 Hz – 10 kHz
Digital Filter: 0 dB @ DC – fs/3, < -120 dB @ ≤ fs/2
Max Bandwidth: 500 Hz
Offset Error: < 5 nT at 25°C
Offset Drift: < 0.5 nT/°C
Scaling Error: < 0.05% at 25°C
Scaling Drift: < 15 ppm/°C
Orthogonality Error: < 0.01°
Isogeometric Error: < 1 mm
Housing Alignment Error: Longitudinal axis < 1°
Power Consumption: < 2 W
Protection: IP65, IP68 on request
Temperature Range: -5° to 50°C
Optional Equipment: Tilt sensor for compass, underwater case

Illustrations and Figures

Functional overview of DM-050 with coaxial cable.
Side view and sensor concept illustrations.
Component scheme details.

Catalog excerpts

Data Sheet DM-050 CONTENT System Overview Highlights Technical Data Illustrations and Figures

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System Overview The Digital Magnetometers of the DM Series is based on STL’s unrivalled high resolution ADC technology with 32 bit resolution and 26 bit dynamic range. The magnetometers use fluxgates as their magnetic sensitive elements and have integrated DXS. As a result of consequent digital signal processing, our magnetometers are quasi ideal sensors with digitally corrected geometry and temperature errors. The DM Series provides a measurement range of up to 1 mT, with an ultra precise digitization taking place immediately after the sensor output. All magnetometers measure the 3 orthogonal...

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www.stl.systems [email protected]

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DM-050 with coaxial cable (included) Low noise fluxgate Functional overview Data Acquisition 3-channel high precision fluxgate www.stl.systems [email protected]

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Component scheme

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DM-050

DM-050

Catalog excerpts

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