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CPR Rotator Brush Replacements

Products

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The spring-loaded brush contacts are the interface between a rotating shaft and the banana jack, to which a potentiostat is connected.  The silver-carbon brushes on MSR style rotators are a consumable wear item requiring periodic replacement.  The exact lifetime of a rotator brush is strongly dependent upon the nature it has been used.  For example, the frequency of use, rotation rates employed, and environmental conditions (low humidity, high corrosive vapor, etc.) will contribute to the lifetime of a brush contact.  In most cases, only the internal brush assembly must be replaced, allowing you to continue using the same mounting hardware.  If an entire brush has been misplaced or has been damaged, then the entire brush assembly may be purchased.  Be aware of the following information:

  • The internal brush assembly fits inside a polymer body.  Together, these parts make the complete brush assembly
  • Unlike the MSR Rotator, only one brush is required for the CPR Rotator

A complete brush replacement comes with the spring-loaded brush assembly (with set screw) and hex key for setting the set screw.

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# Description Price in USD
Internal Brush Assemblies
ACAR063RC

CPR Spring-Loaded Brush Assembly
includes hex key, nylon mount not included

ACAR063RCLHM

Low-Humidity CPR Spring-Loaded Brush Assembly
includes hex key, nylon mount not included, special brush material for use in low-humidity environments

Complete Brush Assemblies
ACPR126

CPR Complete Brush Assembly
red is recommended color for disk contact

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