• Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes
  • Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes
  • Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes
  • Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes
  • Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes

Langer RF3 mini Set | 30 MHz to 3 GHz Near-Field Probes

30 MHz to 3 GHz | 2 passive miniature H-field probes | SMB output

Resolve magnetic-field hot spots with manufacturer-stated spatial resolution under 1 mm. The miniature heads suit dense layouts and detailed measurements near components. Langer recommends an external 20 dB or 30 dB preamplifier for weak signals.

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Langer RF3 mini Set Datasheet

Langer RF-R 0.3-3 Datasheet

Langer RF-B 0.3-3 Datasheet

SPECIFICATIONS

RF3 mini near-field probe set

Resolve magnetic-field hot spots with manufacturer-stated spatial resolution under 1 mm. The miniature heads suit dense layouts and detailed measurements near components. Langer recommends an external 20 dB or 30 dB preamplifier for weak signals.


Technical specifications

ParameterSpecification
Set frequency coverage 30 MHz to 3 GHz
Probe configuration 2 passive miniature H-field probes
Probe output SMB


Included components

PhotoModel / itemQty.Frequency rangeFunction
RF-B 0.3-3 RF-B 0.3-3 1 30 MHz to 3 GHz Angled miniature H-field head
RF-R 0.3-3 RF-R 0.3-3 1 30 MHz to 3 GHz Miniature H-field loop
SMB-BNC 1 m shown in the kit
Kit view		 SMB-BNC 1 m 1   Included accessory
Case 4 shown with the kit
Kit view		 Case 4 1   Included accessory


Measurement setup

Connect to a suitable spectrum analyzer or oscilloscope with a 50 ohm input. Keep probe orientation, distance and instrument settings consistent when comparing design revisions. Near-field readings help locate sources and coupling paths during EMC development.


Near-field probe techniques from Langer

Langer demonstrates probe tip shapes, correction curves and time-domain measurements. The tutorial covers general probe technique.

Watch the Langer near-field probe tutorial on YouTube


Near-field probe kit selection guide

PhotoKitProbes includedFrequency coverageChoose it for
Y.I.C. NFP Kit Y.I.C. NFP Kit 5 10 MHz to 14 GHz Handheld EMI mapping with five E-field and H-field probes, camera tracking and EMViewer. Uses a compatible external spectrum analyzer.
LF1 kit LF1 set 4 100 kHz to 50 MHz Lower-frequency magnetic fields near power circuits
RF Basic kit RF Basic set 6 30 MHz to 3 GHz General PCB survey and fine electric and magnetic troubleshooting
RF1 kit RF1 set 4 30 MHz to 3 GHz Close-range electric and magnetic troubleshooting
RF2 kit RF2 set 4 30 MHz to 3 GHz Magnetic survey and source tracing with four heads
RF3 mini kit RF3 mini set (this set) 2 30 MHz to 3 GHz Sub-millimeter magnetic source localization
RF4-E kit RF4-E set 2 30 MHz to 3 GHz Electric-field coupling and switching-node investigations
XF1 kit XF1 set 5 30 MHz to 6 GHz Electric and magnetic PCB diagnostics through 6 GHz
SX1 kit SX1 set 3 1 GHz to 10 GHz Electric and magnetic diagnostics from 1 to 10 GHz
SX-R 20-1 kit SX-R 20-1 set 1 1 GHz to 20 GHz Single magnetic probe for measurements through 20 GHz
HR1 kit HR1 set 2 Up to 40 GHz Combined electric and magnetic coverage through 40 GHz
HR-E 40-1 kit HR-E 40-1 set 1 Up to 40 GHz Single electric-field probe for measurements up to 40 GHz (0.2 mm)
HR-R 8-1 kit HR-R 8-1 set 1 Up to 40 GHz Single magnetic-field probe for measurements up to 40 GHz
MFA 01 kit MFA 01 set 3 1 MHz to 6 GHz Handheld active magnetic microprobes (200 μm)
MFA 02 kit MFA 02 set 2 1 MHz to 1 GHz Handheld active magnetic microprobes (200 μm)
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