EPRO PR9268017-100 – IEPE Vibration Accelerometer for Reliable Machine Condition Monitoring

The EPRO PR9268017-100 (often written as PR9268/017-100 in many catalogs) is a rugged, industrial IEPE accelerometer designed for continuous monitoring of pumps, fans, gearboxes, motors, and other rotating assets. From my experience, the “-100” variant typically denotes a 100 mV/g sensitivity, which makes it a practical choice for both online protection systems and portable data collectors where you want good detail without overdriving the input. You might notice that it drops easily into most existing IEPE (ICP®-type) channels without special converters.

One thing I appreciate is the straightforward two‑wire connection: power and signal on the same pair, with constant‑current excitation from the monitoring device. That simplicity tends to reduce wiring mistakes out in the field. In many cases, maintenance teams mount this sensor on bearing housings to trend overall velocity (via integration in the monitor) and high‑frequency acceleration for early fault detection.

Our Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week for in‑stock; no more than one month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express options: FedEx, UPS, DHL

Key Features

• IEPE (ICP®‑type) design – Two‑wire constant‑current powered sensor; easy connection to most vibration monitors and DAQs.
• 100 mV/g sensitivity – Suits general machinery monitoring; typically provides a good balance for trending overall levels and detecting early faults.
• Industrial build – Robust stainless‑steel housing that handles plant environments and routine washdowns in most cases.
• Wide application range – Commonly installed on bearings of motors, pumps, fans, compressors, and gearboxes.
• Drop‑in compatibility – Works with typical IEPE inputs on condition monitors, portable analyzers, and many PLC vibration cards with IEPE support.
• Stable bias and low noise – Helps improve data quality for trending, spectral analysis, and envelope/demod for bearings.

Technical Specifications

Related or Supporting Products

• EPRO PR9268/017-050 – Same form factor with lower sensitivity (typically ~50 mV/g) for higher‑amplitude machines.
• EPRO PR9268/017-500 – Higher sensitivity option (~500 mV/g) for low‑level vibration detection.
• EPRO PR9268 variants with integral cable – For environments where a fixed cable is preferred over a connector.
• IEPE signal conditioners / vibration monitors – Compatible with most condition monitoring systems that provide IEPE power.
• Mounting accessories – Studs, adhesive pads, and magnetic bases for temporary measurements; choose rigid mounts for best high‑frequency response.
• Low‑noise coaxial cables – Shielded cables with appropriate connectors improve signal integrity over distance.

Feedback we hear a lot: “Swapping to the PR9268 on our pump line simplified routing and made the spectrum cleaner at higher speeds.” That seems to be the common outcome when the installation is done with a clean, flat pad and proper torque.

Installation & Maintenance

• Mounting surface – Machine a flat, smooth pad on the bearing housing; avoid paint or soft adhesives that can dampen signals.
• Stud torque – Tighten to the manufacturer’s recommendation (often in the 8–10 N·m range for M8) to ensure good mechanical coupling.
• Wiring – Use shielded/low‑noise cable; keep away from high‑voltage runs; ground at the monitor end to minimize loops.
• Cabinet/monitoring – Place the IEPE monitor or DAQ in a ventilated control cabinet; follow standard industrial wiring and EMC practices.
• Safety – De‑energize and lock out the machine before installing or servicing sensors; confirm area classifications if used in hazardous zones.
• Routine checks – Verify bias voltage and noise floor during route collection; re‑torque during shutdowns; schedule annual calibration where quality plans require it.

Quality & Certifications

• CE compliant; RoHS compliant
• Manufactured under ISO 9001 quality systems
• Manufacturer’s standard warranty policies apply; our supply warranty is 365 days