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The Bartington Mag-03 Fluxgate Magnetometer
These compact, high performance fluxgate sensors with integral electronics provide precision measurements of static and alternating magnetic fields in three axes. They are available with measuring ranges of ±70, ±100, ±250, ±500 or ±1000μ T in a range of enclosures as detailed below. Powered from any ±12V supply, outputs are in the form of three analog voltages from 0 to ±10V, proportional to Bx, By and Bz.
Low noise sensors with a noise level of < 6pTrms/√ Hz at 1Hz can be supplied in all enclosures (except MCT) with a measuring range of ±70 or ±100μ T
Performance specification
Supply voltage
±12V to ±17V
Analog output
±10V (±12V supply) swings to within 0.5 of supply voltage
Power supply rejection ratio
5μ V/V
Output impedance
10 ohms
Linearity error
< 0.0015%
Frequency response
0 to 1kHz maximally flat, ±5% maximum above 1kHz
Calibration error
±0.5%
Bandwidth
0 to 3kHz (5kHz for Mag-03IEV 1& 2 on request)
Orthogonality error
between sensing axes
< 0.5° (< 0.1° for Mag-03MS and Mag-03MSES)
Z axis to reference face
< 0.1° (Mag-03MS and Mag-03MSES only)
Single sensor axis to body
< 3.5° (Mag-03IE sensors only)
Internal noise
standard version
< 12pTrms/sqrt(Hz) at 1Hz
low noise version
< 6pTrms/sqrt(Hz) at 1Hz
Supply current
standard version
+35mA, -6mA (+1.4mA per 100μ T for each axis)
low noise version
+26mA, -6mA (+1.4mA per 100μ T for each axis)
These compact, high performance fluxgate sensors with integral electronics provide precision measurements of static and alternating magnetic fields in three axes. They are available with measuring ranges of ±70, ±100, ±250, ±500 or ±1000μ T in a range of enclosures as detailed below. Powered from any ±12V supply, outputs are in the form of three analog voltages from 0 to ±10V, proportional to Bx, By and Bz.
Low noise sensors with a noise level of < 6pTrms/√ Hz at 1Hz can be supplied in all enclosures (except MCT) with a measuring range of ±70 or ±100μ T
Performance specification
Supply voltage
±12V to ±17V
Analog output
±10V (±12V supply) swings to within 0.5 of supply voltage
Power supply rejection ratio
5μ V/V
Output impedance
10 ohms
Linearity error
< 0.0015%
Frequency response
0 to 1kHz maximally flat, ±5% maximum above 1kHz
Calibration error
±0.5%
Bandwidth
0 to 3kHz (5kHz for Mag-03IEV 1& 2 on request)
Orthogonality error
between sensing axes
< 0.5° (< 0.1° for Mag-03MS and Mag-03MSES)
Z axis to reference face
< 0.1° (Mag-03MS and Mag-03MSES only)
Single sensor axis to body
< 3.5° (Mag-03IE sensors only)
Internal noise
standard version
< 12pTrms/sqrt(Hz) at 1Hz
low noise version
< 6pTrms/sqrt(Hz) at 1Hz
Supply current
standard version
+35mA, -6mA (+1.4mA per 100μ T for each axis)
low noise version
+26mA, -6mA (+1.4mA per 100μ T for each axis)
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