TDS RFoF1P4MED Transducer
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The RFoF1P4MED is a miniature active electro-optical wide-band sensor for induced voltage measurements. It was jointly developed with our Z43 partner organization ZMT Zurich MedTech AG (ZMT) and allows medical implant immunity testing for compatibility with magnetic resonance imaging (MRI) environments in a precise and easy manner. All RFoF1P4MED voltage probes are fully insulated (optical power and measurement signal transfer) with minimally electrically conductive material present to ensure the lowest possible field perturbation. With the ability to measure the induced terminal voltages in active implantable medical devices (AIMD) in the frequency range from 10 MHz – 1 GHz, RFoF1P4MED fulfills all probe requirements stated in ISO 10974 Clause 15 for Tier 3 evaluations. |
| Frequency Range | 10 MHz – 1 GHz |
| Dynamic Range |
50 μV – 7 V (peak) |
| Sensor Size |
2 × 2 × 4 mm3 |
| Signal Input |
Connector: preci-dip 851 series (2 circuits, differential) Impedance: 300 kΩ Differential range: 7 V (peak) Noise floor: 50 μV/√Hz at 10 MHz |
| Signal Output | Connector: optical-fiber SPEAG MU-duplex, 50 cm |
| LASER Safety Classification |
LASER Class 1 |
| MRI Compatibility |
Yes (up to 7 T) |
| Submersible in Liquid? |
Yes (self-sealing plug design) |
| Compliance |
ISO 10974 Clause 15 for Tier 3 evaluations |
| Calibration |
On-site calibration with RFoF4MEDCU calibrated balun |
| Data Acquisition Systems |
SPEAG 1RU1TDS Standalone |
