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PR9268/203-000

Core Function:
Heavy-duty eddy current displacement sensor for critical machinery protection applications.

Key Specifications:
• Sensitivity: 8.0 mV/µm (±5%)
• Measurement Range: 0-2.0mm (2000µm)
• Frequency Response: DC to 10kHz
• Output: -2 to -20V DC linear signal

Robust Mechanical Design:
✓ 11mm large-diameter probe
✓ M14×1.5 threaded mounting
✓ -40°C to +150°C operation (sensor head)
✓ 20g vibration resistance
✓ 4MPa pressure rating

Measurement Performance:

Target material: AISI 4140 steel

Linear range: 60% of full scale

Typical accuracy: ±1% FS

System Integration:
• Compatible with EPRO MMS6000 systems
• Standard 5m/9m cable options
• CON021 quick-disconnect available

Typical Applications:

Large steam/gas turbine monitoring

Heavy compressor thrust measurement

Critical rotating equipment protection

Special Features:

Enhanced durability for harsh environments

Large probe design for stable measurements

Extended temperature capability

Compliance:
Meets API 670 machinery protection standards

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General Description
The EPRO PR9268/203-000 is a high-performance eddy current displacement sensor designed for critical machinery protection applications in turbines, compressors, and other rotating equipment.

Key Parameters
Electrical Specifications
Sensitivity: 8 mV/µm (standard for -000 suffix)

Measurement Range: 0 to 2.0 mm (2000 µm)

Output Signal: -2 to -20V DC (linear to gap distance)

Frequency Response: 0 to 10 kHz

Power Supply: -24V DC ±10%

Mechanical & Environmental
Probe Diameter: 11 mm

Thread Size: M14×1.5

Operating Temperature:

Sensor Head: -40°C to +150°C

Cable/Connector: -40°C to +105°C

Vibration Resistance: Up to 20g (50Hz)

Pressure Rating: 4 MPa (40 bar)

Calibration & Target
Target Material: AISI 4140 steel

Linear Range: Middle 60% of full scale (~0.6-1.4mm for 2.0mm range)

Recommended Gap Voltage: -10V DC

Compatibility & Options
Cable Length: 5m or 9m (integrated or with CON021 connector)

Works With: EPRO MMS6000 monitoring systems

Compliance: API 670

Typical Applications
Large turbine shaft vibration monitoring

Compressor thrust bearing measurement

Heavy industrial machinery protection