PR9376/010-021 Emerson Eddy Current Sensor

PR9376/010-021 Hall Effect Speed/Proximity Sensor Technical Specifications

Product Overview

• The PR9376/010-021 provides reliable non-contact speed monitoring for critical turbomachinery. This Hall effect sensor delivers precise measurements in demanding industrial environments. It ensures accurate detection for steam turbines, compressors, and rotating equipment.

Dynamic Performance

• Output Signal: One AC cycle per revolution or gear tooth
• Response Time: 1 microsecond rise and fall time
• Output Voltage: High state >10V, Low state <1V at 12VDC
• Air Gap Range: 1mm (Module 1) or 1.5mm (Module ≥2)
• Maximum Frequency: 12kHz (720,000 cycles per minute)

Target Specifications

• Trigger Mark Type: Limited to spur wheel and involute gearing
• Gear Module: Module 1 configuration
• Material Compatibility: ST37 magnetic soft iron or steel
• Target Requirements: Non-stainless magnetic materials only

Environmental Ratings

• Reference Temperature: 25°C (77°F) standard conditions
• Operating Range: -25 to 100°C (-13 to 212°F)
• Storage Range: -40 to 100°C (-40 to 212°F)
• Ingress Protection: IP67 sealed against dust and moisture

Electrical Specifications

• Power Supply: 10 to 30 VDC operating voltage
• Current Consumption: Maximum 25mA at full operation
• Internal Resistance: Maximum 400 Ohms circuit resistance
• Construction Materials: Stainless steel sensor with PTFE cable

Physical Specifications

• Sensor Weight: 210 grams (7.4 ounces) excluding cable
• Sensor Material: Durable stainless steel construction
• Cable Material: High-temperature PTFE insulation
• Cable Options: Standard or armored configurations available

Compliance Certifications

• CE Mark compliance with 2014/30/EU (EN 60947-5-2)
• Electrical safety per 2014/35/EU directive
• Environmental compliance with 2011/65/EU (EN 63000)
• Industrial equipment standards fulfillment

Ordering Information

• Base Model: PR9376/010-021 core sensor unit
• Armored Cable: Option X=1 for armored protection
• Cable Length: Standard 10-meter length (X=2 configuration)
• Custom Options: Available upon special request

Frequently Asked Questions

• What types of machinery is this sensor designed for?
  It's designed for critical turbomachinery including steam turbines, gas turbines, compressors, pumps, and fans.
• What is the maximum operating frequency?
  The sensor operates up to 12kHz (720,000 cycles per minute).
• What power supply does it require?
  It requires 10-30 VDC power supply with maximum 25mA current.
• What environmental protection does it offer?
  The sensor features IP67 rating for dust and water immersion protection.
• What target materials are compatible?
  It works with magnetic soft iron or steel targets, excluding stainless steel.

Application Benefits

• The PR9376/010-021 ensures reliable speed monitoring in harsh industrial environments. Its non-contact Hall effect technology provides accurate measurements without mechanical wear. The robust construction withstands extreme temperatures and demanding operating conditions.