Examples

Cavity Resonator Measurement Repeatability (1, 2, and 10 GHz, PTFE)

Measurement Results

  • The sample was removed from and reinserted into the resonator before every measurement.
Cavity Resonator Measurement Repeatability (1, 2, and 10 GHz, PTFE) - measurement result
Cavity Resonator Measurement Repeatability (1, 2, and 10 GHz, PTFE) - measurement result
Cavity Resonator Measurement Repeatability (1, 2, and 10 GHz, PTFE) - measurement result

Key Point!

  • Excellent repeatability, with variation below 1%.
  • Consistently high repeatability across multiple resonator models.

Repeatability, the ability to obtain the same result under the same conditions, is essential in material characterization. High repeatability makes it possible to detect small differences between materials during R&D and apply the findings to subsequent prototypes. In production, stable sample monitoring also supports more precise quality control.

Here, a PTFE rod was measured repeatedly. The sample was removed from and reinserted into the fixture before every measurement, reproducing conditions close to an actual measurement workflow.

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System Configuration

  • TM resonator with powder fixture, 1 GHz, CP-001-PW (EM labs)
  • TM resonator with powder fixture, 2 GHz, CP-002-PW (EM labs)
  • TM resonator with powder fixture, 10 GHz, CP-010-PW (EM labs)
  • Permittivity measurement software for TM resonators, CP-MA (EM labs)
  • Vector network analyzer: P5007A (Keysight Technologies)

Measured Samples

  • PTFE rod, 2 mm diameter

-Examples