The Emerson Epro PR9376/20 is a Hall Effect speed and proximity sensor designed for turbomachinery, offering non‑contact measurement, high frequency response, and robust IP67 protection.
Specifications:
Manufacturer: Emerson Epro
Model: PR9376/20
Measurement Principle: Hall Effect, non‑contact differential sensor
Frequency Range: 0 to 12 kHz (up to 720,000 cpm)
Response Time: <1 µs rise/fall
Output Signal: Push‑pull square wave, High >10 V / Low <1 V
Supply Voltage: 10–30 VDC, max. 25 mA
Air Gap: 1.0 mm (Module 1), 1.5 mm (Module ≥2)
Housing: Stainless steel, IP67 sealed
Operating Temperature: –25°C to +100°C
Cable Options: PTFE insulated, armored versions, lengths 3 m / 5 m / 10 m
Weight: ~210 g sensor only, ~410 g with cable and mounting kit
Features:
High Dynamic Range: Accurate detection up to 12 kHz
Non‑Contact Measurement: Eliminates mechanical wear, ideal for turbines and compressors
Fast Response: <1 µs ensures precise pulse detection
Durable Construction: Stainless steel housing with PTFE cable
Environmental Protection: IP67 sealing against dust, humidity, and chemical gases
System Compatibility: Integrates with Emerson Epro MMS 6000 monitoring systems
Versatile Applications: Turbines, compressors, pumps, and fans
