Agilent/Keysight 11941A
The Agilent/Keysight 11941A is a close-field probe designed for detecting magnetic fields in electronic circuits and devices. It is used for EMC pre-compliance testing, signal tracing, and identifying sources of electromagnetic interference. This probe is ideal for troubleshooting and analyzing electronic designs.
- Model
- Agilent / Keysight 11941A
- Calibration
- Available on request
- Price
- $1,050
- Status
- In stock
- RFQ ref
- 11941A
This unit
The Agilent/Keysight 11941A is a hand-held magnetic field probe designed for precise localized detection and analysis of electromagnetic emissions in electronic circuits and devices. It operates across 9 kHz to 30 MHz, identify magnetic field radiation from surface currents, slots, cables, and integrated circuits during EMC pre-compliance testing and troubleshooting. The probe measures magnetic field strength at the center of its sense loop rather than at the tip, making it ideal for close-proximity assessment of potential radiating points.
Each unit is individually calibrated to ±2 dB antenna factor accuracy in a 377 Ω field impedance and supplies five antenna factors for converting dBµV spectrum analyzer readings to absolute magnetic-field strength in dBµA/m.
Technical Specifications
- Frequency range: 9 kHz – 30 MHz
- Maximum input power: 0.5 W
- Dielectric breakdown: ±1 kV (typical)
- Connector: SMA with replaceable barrel
- VSWR: < 3:1
- Antenna factor accuracy: ±2 dB (individually calibrated, 377 Ω field impedance)
- Operating temperature: 0 °C to +40 °C
- Cable: 2-meter RG-223 coaxial
- Included adapters: SMA (f)-to-Type N (m) and SMA (f)-to-BNC (m)
Key Features
- High electric field rejection minimizes measurement error and ensures calibrated, repeatable results
- Passive circuitry contributes only thermal noise to the measurement system
- Individual calibration with traceable antenna factors
- Compact, durable hand-held design
Typical Applications
- EMC diagnostic and pre-compliance testing
- Signal tracing and electromagnetic interference source identification
- Circuit-board-level susceptibility testing when operated with an appropriate signal generator
- Localized magnetic field measurement from ICs, cables, and PCB structures
Compatibility & Integration The 11941A integrates with standard spectrum analyzers and RF measurement instruments via its SMA connector. Supplied adapters enable connection to Type N and BNC-equipped systems. The 2-meter cable supports both bench and field operations.
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 30 MHz |
Agilent / Keysight 11941A — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Agilent / Keysight 11941A. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Agilent / Keysight 11941A price
This Agilent / Keysight 11941A is listed at $1,050. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Agilent / Keysight 11941A calibration cost
NIST-traceable calibration for the Agilent / Keysight 11941A is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
