- Isotropic (direction-independent) measurement with 100 cm² sensor or 3 cm² sensor.
- Wide frequency range from 1 Hz to 400 kHz with high dynamic range of 70 dB.
- Spectrum mode with displayed limit value curve.
- Shaped time domain evaluation STD (WPM and WRM) for all relevant international standards and regulations such as Directive 2013/35/EU.
- Adjustable narrow filter for the digital LF probes (bandpass or bandstop).
- Scope mode for the temporal display of the LF field progression.
- Digital probe interface - no more counter calibration.
- Self-test of the probe interface with integrated sensor function test.
- Wide temperature range.
BFD-400
Precise magnetic field measurement
The BFD-400 probes BFD-400-1 and BFD-400-3 - For precise magnetic field measurement The BFD-400-1 and BFD-400-3 probes extend the Narda probe family with powerful, isotropic sensors for measuring magnetic flux density in the frequency range from 1 Hz to 400 kHz. Both probes are ideal for precise measurements of low-frequency magnetic fields in a wide range of applications - from simple measurement tasks to demanding analyses in development, diagnostics and maintenance.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Type | Digital isotropic magnetic field (H-field) probe |
| Frequency Range | 1 Hz – 400 kHz |
| Sensor Area | 100 cm² (3-axis, isotropic) |
| Measurement Range | 80 µT to 80 mT (up to 160 mT RMS) |
| Detectors | RMS and Peak |
| Dynamic Range | approx. 70 dB |
| Resolution | up to 0.1 nT (range-dependent) |
| Measurement Modes | Field strength, spectrum (FFT), scope, logging, spatial average |
| Filters | Digital low-cut, band-pass and band-stop |
| Interface | Digital probe for Narda FieldMan |
| Compliance | IEC/EN 62311, IEC/EN 62233, EU Directive 2013/35/EU |
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