EPRO PR6423/013-110 Eddy Current Proximity Sensor

Configured for non-contact shaft displacement and relative vibration monitoring in TSI machinery protection platforms, the EPRO PR6423/013-110 (PR6423 Proximity Sensors) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

The suffix alphanumeric structure defines physical dimensions, sensing characteristics, and cable configuration:

• PR6423: Base hardware designator for EPRO non-contact eddy current proximity transducers.
• 013: Indicates a 13 mm sensing tip diameter, establishing specific target linear measuring range and spatial resolution profiles.
• 110: Specifies the combined assembly wiring configuration consisting of a 1.0 m integral coaxial cable paired with a 1.0 m extension cable to yield a total system length of 2.0 m.

Hardware Specifications

Eddy-Current Probe Scaling & Gap Voltage Validation

The 13 mm sensing tip emits a high-frequency electromagnetic field that interacts with conductive rotor target surfaces, converting physical gap changes into proportional impedance variations. To achieve linear eddy-current probe scaling across dynamic shaft displacement ranges, field technicians must execute precise mechanical alignment during installation. Gap voltage validation requires monitoring the unconditioned DC bias voltage output from the external signal converter while threading the probe into the mounting bracket until reaching target settings (such as -10 VDC). This precise mechanical setting maintains measurement linearity over dynamic rotor excursions while optimizing cross-talk suppression between closely mounted radial and axial sensors.

Frequently Asked Questions

Q: Does the PR6423/013-110 sensor connect directly to standard PLC analog input cards?

A: No, the PR6423/013-110 is a passive eddy current transducer that outputs a raw high-frequency impedance signal, requiring an external EPRO signal converter (driver) to generate a calibrated 4-20 mA or DC voltage process output.

Q: What physical configurations are designated by the "013" and "110" model suffixes?

A: The "013" suffix specifies a 13 mm sensor tip diameter, while the "110" suffix designates a 1.0 m integral cable connected to a 1.0 m extension cable, giving a 2.0 m total system cable length.

Q: What procedures prevent signal distortion when routing the sensor coaxial cable?

A: Technicians must maintain a minimum coaxial bend radius of 30 mm, avoid coiling excess cable in high-density bundles, and route signal lines in separate grounded metal conduits away from AC motor conductors.

Field Installation Guidelines

Mount the stainless steel PR6423/013-110 probe housing into the machine bearing casing bracket using appropriate mounting threads. Advance the probe toward the target surface while observing the DC voltage output at the connected signal converter terminals until reaching the required gap voltage validation setting (typically targeting -10 VDC). Tighten the locknut to secure physical positioning.

Route the 2.0 m combined integral and extension coaxial cable through dedicated metal conduits. Connect the extension cable output directly to the external signal converter terminal blocks. Ground the cable shield at a single point on the central enclosure ground bar to eliminate circulating ground loops and prevent electromagnetic interference from affecting the raw high-frequency measurement signal.