Cavity Resonator for Dielectrics Liquids

Liquids

Precise permittivity and loss measurements of liquids using dedicated sample tubes.

  • Frequencies:
19.5 / 30.4 GHz and 23.8 / 39.1 GHz (operates on two frequencies)
  • Dielectric constant:
Dk = 1–100 (achievable accuracy: δDk < 1%)
  • Loss tangent:
19.5 / 30.4 GHz — Df > 1e−4 / Df > 1e−5 (achievable accuracy: δDf < 3%) 23.8 / 39.1 GHz — Df > 5e−5 / Df > 1e−5 (achievable accuracy: δDf < 3%)
  • Maximum rod’s outer diameter:
< 3.1 mm for CR operating at 23.8 GHz < 4.05 mm for CR operating at 19.5 GHz
  • Temperature:
10–100 °C
  • Software-controlled measurement.

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Material Measurement Procedure