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PMK | Passive Probes

2.5mm diameter Low-Z Probe Series PML

Now includes NABL Calibration Certificate.

The PML Low-Z Probe Series is a compact, passive probe line offering up to 1.5 GHz bandwidth and up to 30 V input range. With its 2.5 mm slim housing and 0.5 mm spring tip, it enables high-fidelity, low-impedance probing for RF and IC-level applications with minimal loading..

  • Detail
  • Special Features
  • Specification

Designed for high-speed, low-impedance probing, the Low-Z PML Series offers precision signal access even in the tightest PCB layouts. The 2.5 mm slim tip housing and 0.5 mm spring-loaded gold tip provide superior visibility and contact precision, particularly in densely packed environments.

These probes are especially suited for RF signal testing on IC pins, thanks to their low inductance and innovative contacting system. The optional IC caps (0.5 mm to 1.27 mm pitch), ground blades, and glue-on copper pads ensure optimal performance with minimal circuit disturbance.

The 50Ω output termination supports high-speed oscilloscope compatibility, and the optional RO feature ensures correct scaling via automatic read-out. All probes are factory calibrated, with calibration certificates available upon request.

  • Up to 1.5 GHz bandwidth, ideal for high-speed signals

  • 30 V max input, 50Ω impedance

  • 1:1, 10:1, and 100:1 attenuation models

  • 2.5 mm housing, 0.5 mm gold-plated spring tip

  • Ultra-low inductance for high-fidelity RF probing

  • Universal BNC connector

  • Output termination: 50Ω AC/DC

  • Innovative IC caps and ground blades for precise RF measurements

  • Available with or without intelligent read-out (RO)

Parameter Value
Bandwidth Up to 1.5 GHz
Input Voltage (Max) Up to 30 V
Attenuation 1:1, 10:1, 100:1
Input Impedance 50Ω
Tip Diameter 0.5 mm (spring-loaded)
Probe Housing Diameter 2.5 mm
Output Termination 50Ω AC/DC
Read-Out Capability Optional (RO or w/o RO)
Accessories IC caps, ground blades, copper pads