H-FIELD NEAR-FIELD PROBES
SPEAG has pioneered the research and development of electromagnetic probes. All probes have been optimized by means of full-wave 3D simulations to achieve maximum spherical isotropy with avoidance of or compensation for any field distortion from mounting materials. Special techniques have been developed to minimize secondary modes of reception. Only the best low-loss materials are used, making the probes very rigid and compatible with almost any media. SPEAG has also pioneered the calibration techniques that enable the most-precise measurement of electric, magnetic, dosimetric, and temperature quantities.
| FREE-SPACE – HL3D/H3D |
Isotropic H-field probes for general near-field measurements in air or liquids. Different versions cover frequencies from 10 MHz up to 3 GHz. All H-field probes are based on three concentric loops that are resistively loaded for linear response. Frequency range: 200 MHz – 3 GHz (H3DV6); 40 MHz – 1 GHz (H3DV7); 10 – 600 MHz (H3DV8); 4 MHz – 30 MHz (HL3DV2) Dynamic range: 0.01 – 2 A/m at 1 GHz; 0.01 – 5 at 128 MHz; 0.08 – 40 at 13.56 MHz; 0.10 – 30 at 4 MHz Tip diameter (all probes): 6 mm; 12 mm (HL3D) Scanning distance: ≥5 mm, ≥7 mm (HL3D) |
| UNIVERSAL – HU2D |
Universal H-Field Probe for small band applications. Two optimally arranged loops, three measurements per point (120º rotated) and advanced post-processing algorithms. Frequency range: 200 MHz – 3 GHz Dynamic range: 10 mA/m – 2 A/m at 1 GHz Tip diameter: 4 mm Scanning distance: ≥3 mm Detailed specifications: HU2DV3 |
| TIME-DOMAIN – HTDS |
Miniaturized time-domain sensor (TDS) probes for frequency-selective H-field (H1TDS) measurements. TDS probes are available in rugged (standalone) and handheld (SNI) versions. Frequency range: 10 MHz – 6 GHz Dynamic range: 1 µA/m – 1A/m (2 GHz) Tip size: 4 × 4 mm2 Scanning distance: ≥1.5 mm |
| LF E&H-FIELD – MAGPy |
Low-frequency measurement system for magnetic gradient (and electric) field measurements in the low-frequency regime. Frequency range: 3 kHz – 10 MHz Dynamic range: 0.1 A/m – >3200 A/m Tip diameter: 59 mm Scanning distance: ≥30 mm Detailed specifications: MAGPY |
| AUDIO MAGNETIC – AM1DVx |
Active single sensor probe for both axial and radial measurement scans. Fully RF shielded, compatible with DAE, with adapted probe cup. ISO/IEC 17025 calibration service available. Frequency range: 0.1 kHz – 20 kHz Dynamic range: -50 dBA/m – 35 dBA/m Tip diameter: 6 mm Scanning distance: ≥4 mm |
| LF HALL SENSOR – THM 1176 |
Three axis Hall magnetic field probe (by MetroLab) for high precision DC/ELF magnetic field scanning from low mT fields (LF) up to 20 T (HF). Frequency range: DC to 1 kHz Ranges: 7.5 mT (LF); 0.1, 0.5, 3.0, 20 T (HF and HFC) Dimension (LF, HF): 10 × 16 × 113 mm3 Dimension (HFC): 0.5 × 2 × 42 mm3 Detailed specifications: THM1176 |
