SF Free Space Field Sensors – Precision Electromagnetic Field Measurement
Reliable Measurement of Fast Pulsed Electromagnetic Fields
The SF Free Space Field Sensors by Montena are high-precision instruments designed for the accurate measurement of fast pulsed electric (E-field) and magnetic (B-field) fields. These sensors provide interference-free and passive operation, making them ideal for EMC testing, high-voltage applications, and RF measurement environments.
Key Features & Benefits
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Wide Frequency Response: Measures fields up to 10 GHz, capturing transient pulses with high accuracy.
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Passive Operation: No external power source is required, ensuring long-term reliability.
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High Sensitivity & Precision: Optimized for fast-rise time measurements in EMC and RF testing.
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Balanced to Unbalanced Signal Conversion: Compatible with baluns and passive integrators for enhanced signal processing.
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Fiber Optic Compatibility: Allows long-distance, noise-free transmission to measurement equipment.
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Compact & Durable Design: Lightweight and robust for easy installation in test setups.
Available Models & Specifications
| Model | Type | Equivalent Area (Aeq) | Frequency Response (-3 dB) | Rise Time (10-90%) | Peak Maximum Output | Connector | Weight | Dimensions (L x W x H) |
|---|
| SFE1G |
D-Dot (E-field) |
2 x 10-2 m² |
Up to 1 GHz |
320 ps |
1 kV |
2 x SMA (male) |
800 g |
406 x 60 x 100.5 mm |
| SFE3-5G |
D-Dot (E-field) |
2 x 10-3 m² |
Up to 3.5 GHz |
110 ps |
1 kV |
2 x SMA (male) |
350 g |
406 x 60 x 35.4 mm |
| SFE10G |
D-Dot (E-field) |
2 x 10-4 m² |
Up to 10 GHz |
32 ps |
1 kV |
2 x SMA (male) |
200 g |
406 x 60 x 16.4 mm |
| SFM2G |
B-Dot (B-field) |
2.2 x 10-4 m² |
Up to 2 GHz |
160 ps |
1 kV |
2 x SMA (male) |
375 g |
406 x 60 x 44 mm |
Ordering Information
| Reference |
Description |
|
| SFE1G |
Free space D-dot field sensor (E-field), Aeq 2 x 10-2 m2, up to 1 GHz, 2 x SMA(m) connectors |
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| SFE3-5G |
Free space D-dot field sensor (E-field), Aeq 2 x 10-3 m2, up to 3.5 GHz, 2 x SMA(m) connectors |
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| SFE10G |
Free space D-dot field sensor (E-field), Aeq 2 x 10-4 m2, up to 10 GHz, 2 x SMA(m) connectors |
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| SFM2G |
Free space B-dot field sensor (B-field), Aeq 2.2 x 10-4 m2, up to 2 GHz, 2 x SMA(m) connectors |
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Applications
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EMC & RF Testing: High-speed electromagnetic pulse measurement for EMC compliance verification.
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High-Voltage & Pulsed Power Applications: Ensures accurate electric & magnetic field detection.
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Military & Aerospace: EMP & transient field testing for MIL-STD compliance.
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Scientific Research: Plasma physics, particle acceleration, and high-energy physics experiments.
Related Products & Accessories
| Accessory |
Description |
|
| BL3-5G |
Balun for free space field sensors, 500 Hz - 3.5 GHz, 3 x SMA(f) conn. |
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| BL10G |
Balun for free space field sensors, 100 kHz - 10 GHz, 3 x SMA(f) conn. |
(same size BL3-5G) |
| SFMK |
Mounting kit for free field sensor, balun and fibre optic transmitter, for antenna mast and tripod, four M6 & 1/4" x 20 UNC threads |
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| MOL3000 |
Point-to-point optical link, 80 Hz – 3.5 GHz, fixed 0 dB gain, for interference-free signal transmission. |
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| MOL2000T2 |
Point-to-point optical link, 80 Hz – 3.5 GHz
- -62dB to +24dB remote controlled gain through USB,
- one optical transmitter on battery,
- one optical receiver on battery, two battery chargers,
- one USB OTG cable,
- one FibREmote software for PC and Android and
- one carrying case
|
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| MOL2000T2-M |
Single channel optical link for chassis MOL-MF-xx, 80 Hz – 3.5 GHz
- - 62dB to +24dB remote controlled gain,
- one optical transmitter on battery,
- one optical plug-in receiver module and
- one battery charger
|
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| ITR1U2-A |
Passive integrator, 1.2 μs response, up to 1 GHz, N(f) - BNC(m) connectors. |
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| PULSELab |
Advanced pulse measurement & processing software, lifetime license for one PC. |
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| SB3G |
Shielded enclosure for the protection of the oscilloscope |
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Why Choose Absolute EMC?
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Exclusive North American Partner for Montena – Offering expert sales & support.
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Industry-Leading Measurement Solutions – Designed for demanding EMC, RF, and high-voltage environments.
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Comprehensive Support & Integration Services – Ensuring seamless system compatibility.
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