RM9010-02 - Four-Point Array Probe

Four-point array probe with 1.5 mm between the contact pins, for the RM3545, including PC software for calculating volume resistivity (O-m), surface resistivity (O/sq), conductivity (S/cm) and resistance (O)

Product information RM9010-02 - Four-Point Array Probe


The RM9010-02 is a high-precision probe tip designed for resistance, resistivity, and conductivity measurements using the four-terminal method. It is an optional accessory for the RM3545 precision resistance meter and its variants, providing a defined four-contact measurement geometry for reproducible material testing.

Four precisely aligned in-line measurement contacts with a spacing of 1.5 mm ±0.1 mm ensure accurate separation of current and voltage paths. This minimizes contact and lead resistance – a key requirement for stable and comparable measurement results, particularly on small structures or thin layers. 

The spherical, gold-plated contacts provide uniform contact conditions. A defined spring force of approximately 0.85 N per contact ensures consistent contact pressure and repeatable measurement performance in laboratory and development environments. 

Separate SOURCE and SENSE connectors as well as a GUARD plug are matched to the RM3545 input terminals, enabling direct connection without additional adapters. With an overall cable length of approximately 1.5 m and a compact probe design, the RM9010-02 is optimized for measurements on small or closely spaced structures. Replaceable contacts support long service life and cost-efficient operation. 
  • RM9010-02 Four-Point Array Probe 
  • Instruction Manual 
  • CD (Application software)

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