EPRO CON021+PR9268/011-100 Eddy Current Displacement Vibration Sensor

Product Description

The PR9268/011-100 probe, paired with the CON021 converter, is an advanced non-contact eddy current measurement solution designed for critical rotating machinery. Engineered for precision monitoring of turbines, compressors, pumps, and heavy-duty industrial gearboxes, this system delivers reliable shaft vibration, displacement, eccentricity, and rotational speed data, supporting predictive maintenance and equipment protection in line with API 670 standards.

Key Features and Specifications – PR9268/011-100 Sensor Probe

• Measurement Type: Radial vibration, axial displacement, shaft eccentricity, and rotational speed

• Tip Diameter: 11 mm

• Linear Range: 2 mm (80 mils)

• Initial Air Gap: 1.0 mm (39 mils)

• Scale Factor (ISF): 8 V/mm (203.2 mV/mil) ±5% over 0–45 °C

• Linearity (DSL): ±0.025 mm (±1 mil) within 0–45 °C

• Minimum Shaft Diameter: 40 mm, optimized for larger rotors

• Operating Temperature: –40 °C to +150 °C

• Protection Class: IP66 (IEC 60529)

• Target Material: Ferromagnetic steels (42CrMo4 / AISI 4140 standard)

• Series: PR9268 – optimized for extended measurement range on larger shafts compared to PR6423/PR6424/PR6425

CON021 Converter Module – Technical Details

• Function: Signal conditioning and linear output conversion for PR9268 probes

• Frequency Response: 0–20 kHz (–3 dB)

• Rise Time: <15 μs

• Supply Voltage: –23 V to –32 V DC

• Output Range: –4 V to –20 V (configurable)

• Operating Temperature: –30 °C to +100 °C

• Protection Class: IP20

• Housing: LMgSi alloy, panel mount (4 × M5 screws), weight ~120 g

Applications

• Power Generation: Shaft vibration monitoring on steam and gas turbines

• Petrochemical Industry: Axial displacement measurement on compressors and pumps

• Industrial Machinery: Gearbox vibration and fan rotor eccentricity detection

• Heavy Rotating Equipment: Systems requiring extended measurement range for larger shaft diameters

Model Comparison

Compared with PR6423–PR6425 series, PR9268 provides larger tip size, extended linear range, and improved performance on heavy-duty rotors. Ideal for installations with larger shaft diameters or high-amplitude vibration measurement requirements.

FAQ

Q: Can PR9268/011-100 operate in extreme temperatures?
A: Yes, the sensor body functions from –40 °C to +150 °C, while the CON021 module supports –30 °C to +100 °C.

Q: What is the minimum shaft size recommended?
A: 40 mm, optimized for larger rotors in industrial applications.

Q: Can the system measure both radial and axial movement?
A: Yes, the PR9268 probe measures radial vibration, axial displacement, eccentricity, and rotational speed.