Fisher Surface Monitor Probes
A Surface Monitor Probe is a half clamp-on probe with a dielectric cover on the sensing window. Surface Probe measures currents on metallic conductors with flat regions such as ground planes, striplines, printed wiring boards, bundles of wire and architectural structures.
Surface Monitor Probes Datasheet
| Product | 3dB Bandwidth | RF (CW) | Calibration Fixture | Connector | dBΩ (Nominal) | Height (mm) | Length (mm) | Max Primary Current DC-400Hz | Peak Pulse Current | Usable Frequency | ZtΩ (nominal) | Width (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F-91-1 | 3MHz - 100MHz | 20 | FCC-TEM-JM1 | Type-N | -10 | 49 | 89 | 5000 | 200 | 1MHz - 100MHz | 38 | 0.32 |
| F-92-1 | 20MHz - 400MHz | 10 | FCC-TEM-JM1 | Type-N | -8 | 43 | 76 | 5000 | 200 | 10MHz - 400MHz | 38 | 0.4 |
| F-96-1 | 10MHz - 400MHz | 10 | FCC-MPCF-96 | SMA | -5 | 13 | 19 | 10 | 100 | 1MHz - 400MHz | 10 | 0.56 |
| F-97-1 | 30MHz - 1.5GHz | 10 | FCC-MPCF-97 | SMA | -8 | 13 | 10 | 10 | 100 | 10MHz - 1.5GHz | 8 | 0.4 |
Frequently Asked Questions
What are surface monitor probes used for?
Surface monitor probes are used to measure current on flat conductive surfaces such as ground planes, PCB tracks, and cable bundles without requiring full enclosure of the conductor.
Do these probes require direct contact with the conductor?
No. The probes use a dielectric-covered sensing window to measure current without direct electrical contact.
Can EMC Hire help select the correct probe?
Yes. EMC Hire can advise on the most suitable surface monitor probe based on your test setup and frequency requirements.
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