Product introduction
Specification parameters
Configuration description
Typical applications
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These include defence,physics, geophysics, bioelectromagnetics and mineral exploration.
All sensors have an integral test coil that removes the need for a separate calibration unit, and a temperature sensor .
- Wide range of enclosures; unpackaged and submersible versions available
• Noise levels down to <5pTrms/√Hz at 1Hz
• Measuring ranges from ±60μT to ±1000μT
• Bandwidth of 3kHz
• Environmentally sealed and shielded from electrical interference
• Integrated test coil and temperature sensor
• Tail option available for the Mag-13MSSProduct name Package Noise Range in μT Mag-13 MS = Square
MSS = Square, submersible
MC = Cylindrical
MCD = Cylindrical, deep submersible
U = Unpackagedno code = Standard
L = Low noise
Q = Very low noise±60
±70
±100
±250
±500
±1000Sensors with ranges ≥ 250µT are only available in standard noise option.
Mag-13 Specifications
| Performance | |
| Number of axes | Three |
| Polarity | +ve non-inverting output when pointing North |
| Bandwidth (-3dB) | >3kHz (-11dB/octave roll-off) |
| Measurement noise floor: Standard L (low) Q (very low) |
6 to ≤10pTrms/√Hz at 1Hz <6pTrms/√Hz at 1Hz <5pTrms/√Hz at 1Hz |
| Start-up time | 150 ms |
| Warm-up time | 15 min to meet specifications for scaling <60min to meet noise specification |
| Scaling error | ±0.5% |
| Orthogonality error between axes | <±0.1° (<±0.2° for MCD) |
| Alignment error (Z axis to reference face) | <±0.1° (Mag-13MS only) |
| Linearity error | 0.0015% (least squares fit) |
| Frequency response | DC to 1kHz (±5%) |
| Hysteresis | <2nT (1 x full scale, when powered) |
| Overload hysteresis | <2nT (2 x full scale, when powered) |
| Excitation breakthrough | <5 mV pk-pk at 15.625kHz typical |
| Mean Time Before Failure (MIL217F) | Target 12 years |
Mating connectors for the Mag-13MC and Mag-13MS models are supplied free of charge.
Submersible mating connectors are not supplied.
• Magnetic field monitoring
• Use as feedback sensors in active magnetic field cancellation systems
• Magnetic signature measurements
• Electromagnetic survey