PR9268/301‑000 | Emerson Epro | Electrodynamic Horizontal Velocity Sensor

Description

The Emerson Epro PR9268/301‑000 Electrodynamic Horizontal Velocity Sensor is designed for absolute vibration measurement in turbomachinery. With horizontal mounting orientation, it delivers precise monitoring and protection for turbines, compressors, pumps, and fans operating in harsh industrial environments.

Specifications

• Manufacturer: Emerson Epro

• Model Number: PR9268/301‑000

• Sensor Type: Electrodynamic horizontal velocity sensor

• Measurement Principle: Absolute vibration measurement (mechanical to electrical conversion)

• Frequency Range: 4 Hz – 1000 Hz

• Sensitivity: ~28 mV/mm/s (orientation dependent)

• Natural Frequency: ~4.5 Hz ± 0.75 Hz @ 20°C

• Amplitude Range: Up to 3000 µm peak‑to‑peak

• Operating Temperature: ‑20°C to +200°C (continuous)

• Protection Class: IP55 / IP65 (depending on variant)

• Explosion Protection: Certified for Zone 1 hazardous areas

• Housing Material: Stainless steel or aluminum alloy

• Cable: PTFE insulated, 3 × 0.5 mm²

• Weight: Approx. 280 g

Features

• Horizontal Orientation: Optimized for horizontal mounting in turbomachinery

• High Sensitivity: Provides accurate vibration velocity signals for monitoring systems

• Wide Frequency Range: Covers critical vibration spectrum (4–1000 Hz)

• Industrial Durability: Robust housing suitable for harsh and hazardous environments

• High Temperature Capability: Operates reliably up to 200°C

• Explosion Protection: Certified for Zone 1 hazardous areas

• System Integration: Compatible with Emerson Epro MMS 3000 and MMS 6000 monitoring systems

• Strong EMI Immunity: Low‑impedance coil design ensures stable signal transmission