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PR9268/300-000

Emerson PR9268/300-000 Absolute Vibration Transducer

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  • Manufacturer: Emerson

  • Product No.: PR9268/300-000

  • Product Type: Eddy Current Sensor

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 930g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Technical Specifications

Manufacturer / Brand Emerson (e.g., Epro / Philips PR Series)
Product Line PR 9268 Series Absolute Vibration Transducer
Part Number PR9268/300-000
Measuring Direction Horizontal (±10° standard, ±30° with lifting/sinking current)
Frequency Range & Sensitivity 4 Hz to 1000 Hz | Nominal Sensitivity: 28.5 mV/(mm/s) ±5%
Natural Frequency & Damping 4.5 Hz ±0.75 Hz | Damping Factor: 0.56 @ 20°C (0.42 @ 100°C)
Vibration Amplitude & Acceleration 3000 µm peak-peak nominal | Permissible Acceleration: 10 g continuous
Electrical Parameters Resistance: 1875 Ω ±10% | Inductance: <90 mH | Capacity: <1.2 nF
Housing & Protection Class Al Mg Si Pb F28 | IP55 Protection | 6-pole Harting Plug/Socket
Operating Temperature -20°C to +100°C (Short term <4 hours up to +120°C)
Weight Transducer Only: approx. 260 g (0.57 lbs) | Net Wt (inc. cable/connector): 930 g (2.05 lbs)

Product Overview

The Emerson PR9268/300-000 is a robust seismic absolute vibration velocity transducer designed specifically for horizontal vibration monitoring on industrial rotating machinery, steam turbines, and pumps. Weighing approximately 260 g (0.57 lbs) for the transducer unit alone and 930 g (2.05 lbs) complete with cable and Harting connector assembly, it operates over a frequency range of 4 Hz to 1000 Hz. Built into a splash-proof IP55 aluminum housing, it reliably withstands hostile continuous process environments up to 100°C.

Key Features

  • Broad Frequency Range: Measures absolute bearing house and structural vibration across 4 Hz to 1000 Hz.
  • High Vibration Amplitude Tolerance: Supports up to 3000 µm peak-to-peak displacement with mechanical limit stops at 4000 µm.
  • Rugged Enclosure Design: Features an IP55-rated Al Mg Si Pb F28 alloy housing suited for high-humidity and hostile plant conditions.
  • Extended Tilt Capability: Accommodates installation deviations up to ±30° from horizontal when energized with a 1.8 mA lifting current.

Installation Essentials

Mount the PR9268/300-000 transducer horizontally on a rigid, vibration-free bracket to prevent structural resonance interference. Ensure correct polarity and grounding for the 6-pole Harting connector assembly to maintain EMC compliance. Keep continuous mechanical acceleration within 10 g peak-to-peak in the measuring direction (2 g maximum in transverse direction). Verify circuit resistance (1875 Ω nominal) prior to integrating with the monitoring system.

Technical FAQs

Q1: What is the primary measuring orientation for the PR9268/300-000?
A1: It is engineered specifically for horizontal absolute vibration measurement on rotating industrial equipment.

Q2: What is the weight of the PR9268/300-000 transducer?
A2: The transducer module alone weighs approximately 260 g (0.57 lbs); the total net weight with cable and Harting connector is about 930 g (2.05 lbs).

Q3: What temperature limits apply during operating conditions?
A3: Standard operating temperature ranges from -20°C to +100°C, with short-term exposure limit up to +120°C (<4 hours).

🏷️ Tags: Eddy Current Sensor
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