Epro PR6470/646-120 Pendulum interface for axial displacement measurement using eddy current proximity probes

FAQ

Q1: What is the PR6470/646‑120 used for?
It serves as a mechanical pendulum assembly that transfers axial motion of a shaft or collar to a fixed eddy current sensor when direct sensor mounting isn’t possible.

Q2: What kind of sensors can be paired with the PR6470/646‑120?
It is designed to work with EPRO eddy current proximity sensors such as those in the PR6423 and PR6424 families.

Q3: What is the typical measurement motion range of this pendulum type?
The Type 60 configuration supports a larger axial range, on the order of ±60 mm of shaft/collar motion depending on sensor and installation.

Q4: How is the pendulum mounted on machinery?
It is mounted via a rigid flange or mechanical fulcrum to the machine casing so the pendulum head follows shaft collar movement.

Q5: What shaft collar sizes does the PR6470/646‑120 support?
It is suitable for use with shaft collars approximately 200 mm to 800 mm in diameter.

Q6: What materials is the pendulum assembly constructed from?
The assembly uses stainless steel and corrosion‑resistant materials for durability in industrial environments.

Q7: What temperatures can this pendulum assembly operate in?
The operating temperature range generally conforms to the attached sensor’s specification, which often spans from about −35 °C to +180 °C.

Q8: Why use a pendulum probe like the PR6470/646‑120 instead of direct sensor mounting?
It enables axial displacement measurements when direct mounting of an eddy current sensor to the shaft is impractical due to space limitations, high temperatures, or mechanical constraints.

Epro PR6470/646-120

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