Emerson PR9376/010-011 Hall Effect Speed/Proximity Sensor

Description

The Emerson PR9376/010-011 is a heavy-duty, non-contact Hall effect sensor specifically engineered for high-precision speed or proximity measurements on critical industrial turbomachinery. Operating as part of machine monitoring infrastructures, the PR9376/010-011 tracks rotation dynamics by generating 1 AC cycle per revolution or gear tooth. This configuration comes equipped with an integrated 5-meter armored cable terminating in an open cable end, delivering robust mechanical protection in harsh operating environments. It is widely deployed to monitor the rotational velocities of steam, gas, and hydro turbines, as well as high-capacity compressors, pumps, and process fans.

Features

• Non-contact Hall effect sensing principle prevents mechanical wear and extends operational life.
• Heavy-duty armored cable construction provides enhanced physical shielding against environmental stress.
• Generates a precise digital output of 1 AC cycle per revolution or gear tooth for exact speed tracking.
• High-frequency response handling up to 12 kHz to support high-speed turbomachinery applications.
• IP67-rated environmental sealing ensures protection against dust and moisture ingress.
• Open cable end interface provides installation flexibility for direct control cabinet termination.
• Optimized for target surfaces made of magnetic soft iron or steel.

Applications

• Steam, gas, and hydro turbine speed monitoring
• Industrial compressor and turbo-charger rotation tracking
• High-capacity process pump speed verification
• Industrial ventilation fan and blower monitoring

Ordering Information

Technical Specifications

Installation Guidelines

• Target Alignment: Ensure the sensor is positioned over a matching spur wheel or involute gearing made of magnetic soft iron or steel.
• Air Gap Adjustment: Maintain an exact air gap of 1 mm for Module 1 targets, or 1.5 mm for targets with a Module >= 2.
• Orientation Matching: Position the sensor body according to the structural orientation mark displayed on the housing for proper signal translation.
• Cable Routing: Route the 5-meter armored cable away from high-voltage lines or electromagnetic interference sources to preserve signal integrity.
• Termination: Connect the open cable ends securely to the monitoring system interface matching the required 10 to 30 VDC supply profile.

Compliance and Certifications

• CE Directive 2014/30/EU (EN 60947-5-2)
• CE Directive 2014/35/EU
• CE Directive 2011/65/EU (EN 63000)