made from alumina, up to 1400 °C

The Plug&Probe Orange is designed to provide a tool to perform easy electrical measurements on pellets or thin film samples at elevated temperatures and changing gas environments.


Minimal diameter of tube:                             40 mm

Connectors:                                                    4x individually shielded electrical feedthroughs with BNC plugs

                                                                      1x miniature thermocouple plug

                                                                      2x 6 mm stainless steel tubes for gas supply

Maximum Sample diameter:                      20 mm

Maximum Sample thickness:                      ca. 20 mm

Maximal temperature:                                1400 °C

Short circuit impedance:                             (set-up resistance with 2 m coaxial BNC cables at room temp)

Two wire configuration:                              ca. 2 Ω

Four wire configuration:                             ca. 5 · 10-2

Temperature Measurement with                thermocouple Type S (optional Type K)

Leak rate is typically:                                     5 · 10-4 mbar · l · s–1


Open circuit impedance measured at room temperature gives ca. 1 · 1013 and ca. 1 · 10-12 F for the resistive and the capacitive part respectively. The inductive part in the impedance spectra, if visible, generally depends on the connected measurement BNC cables between the impedance analyzer and the Plug&Probe.

The Plug&Probe Orange consists of a metal flange in a blue cover and a removable alumina test rod with an interior alumina test interface using platinum wiring. All parts are spring mounted to prevent breaking and ensures a stable electrical contact between the electrodes and the specimen. The heated part of the Plug&Probe Orange only consist of alumina and platinum to ensure no outgassing and to prevent any reactions between specimen and sample holder. In case you cannot use platinum in your experiment, you may want to change to another test station with different contact materials. In case you want to contact other sample geometries or specimens with more electrodes or you need information regarding other sample holders please contact your local sales person or Huber Scientific.