EPRO PR9376010-011

Description

Detailed parameter table

EPRO PR9376010-011

Product introduction

The EPRO PR9376010-011 is a high-precision eddy current proximity sensor developed by EPRO (now integrated into Siemens Energy), engineered to monitor critical parameters of rotating machinery—from turbine shaft vibration to motor axial position—in industries where equipment failure would cause catastrophic downtime. Unlike generic proximity sensors (limited to basic presence detection), the EPRO PR9376010-011 delivers sub-micron resolution and temperature-compensated accuracy, making it a cornerstone of EPRO’s machinery protection ecosystem.

Its core function is to detect non-contact displacement of ferromagnetic shafts, converting physical movement into analog (-2 V to +2 V) or frequency signals for real-time analysis. For example, a power plant uses the EPRO PR9376010-011 to monitor a steam turbine’s radial vibration: the sensor’s 0.1 μm resolution detects tiny vibrations (early signs of bearing wear) that would go unnoticed by lower-precision sensors, allowing maintenance teams to intervene before a costly turbine failure.

Whether deployed in offshore oil rig compressors, manufacturing plant motors, or nuclear power plant pumps, the EPRO PR9376010-011 combines ruggedness (IP67, -40 °C to +120 °C operation) with precision—filling the gap for users who need to protect high-value rotating equipment with reliable, actionable data.

Core advantages and technical highlights

Sub-Micron Resolution for Early Fault Detection: The EPRO PR9376010-011 offers 0.1 μm resolution—10x finer than generic eddy current sensors (1 μm typical)—enabling detection of early-stage machinery defects. An oil refinery uses the EPRO PR9376010-011 to monitor a crude oil pump’s shaft: its high resolution identifies a 0.5 μm increase in radial vibration (indicative of bearing degradation) 30 days before the pump would fail. This early warning allows scheduled maintenance during a planned shutdown, avoiding unplanned downtime that costs $200k+ per day.

Wide Temperature Range & Rugged Design for Harsh Environments: The EPRO PR9376010-011’s probe operates from -40 °C to +120 °C—far exceeding generic sensors limited to -20 °C to +80 °C—and features IP67 protection. A mining operation uses the sensor to monitor a underground conveyor motor’s shaft: its high-temperature tolerance withstands motor heat (up to 110 °C), while IP67 keeps dust and water out of the probe. Unlike plastic-housed sensors that fail within 6 months, the EPRO PR9376010-011 operates reliably for 5+ years in mining conditions, reducing replacement costs by 70%.

Seamless Integration with EPRO MMS6000 for Predictive Maintenance: The EPRO PR9376010-011 is natively compatible with EPRO’s MMS6000 Machinery Monitoring System—no additional converters needed. A gas-fired power plant pairs 4 EPRO PR9376010-011 sensors (monitoring turbine vibration, position, and speed) with the MMS6000: the system aggregates sensor data, runs AI-based fault algorithms, and alerts operators to abnormal vibration patterns (e.g., unbalance, misalignment). Unlike 3rd-party sensors that require 2–3 hours of configuration, the EPRO PR9376010-011 is auto-detected by the MMS6000, cutting setup time by 90%.

Built-In Temperature Compensation for Stable Accuracy: The EPRO PR9376010-011 includes advanced temperature compensation (< 0.05% FS/°C)—eliminating drift caused by temperature fluctuations. A chemical plant uses the sensor to monitor a reactor agitator’s shaft: ambient temperatures vary from 10 °C (winter) to 45 °C (summer), but the sensor’s compensation ensures accuracy remains within ±1% FS. Without this feature, generic sensors would drift by 2%–3% FS, leading to false alarms or missed faults—costing the plant $50k in unnecessary maintenance or unplanned downtime.

Typical application scenarios

In power generation, a coal-fired power plant uses the EPRO PR9376010-011 to monitor a 50 MW steam turbine’s critical parameters: two sensors track radial vibration (one on each bearing), one measures axial position (to detect thrust bearing wear), and one monitors rotational speed. The sensor’s 0.1 μm resolution detects a 0.8 μm vibration increase in the #2 bearing—an early sign of lubrication loss. Data from the EPRO PR9376010-011 feeds into the EPRO MMS6000, which triggers an alert. Maintenance teams add lubricant within 4 hours, preventing bearing seizure and a 72-hour unplanned shutdown (valued at $1.4M in lost generation).

In oil & gas, an offshore platform uses the EPRO PR9376010-011 to monitor a gas compressor’s shaft: the sensor’s IP67 probe withstands saltwater spray and humidity, while its -40 °C low-temperature tolerance ensures reliability in North Sea winters. The sensor’s frequency output tracks compressor speed (0–10 kHz), while its analog output measures radial vibration. When a storm causes a temporary misalignment (increasing vibration by 1.2 μm), the EPRO PR9376010-011’s data alerts the platform’s control room, allowing operators to reduce speed and prevent damage. This proactive monitoring cuts compressor maintenance costs by 35% annually.

EPRO PR9376010-011

Related model recommendations

EPRO PR9376010-020: High-temperature variant of the EPRO PR9376010-011—probe operating temp: -40 °C to +200 °C, ideal for gas turbine exhaust-side monitoring (e.g., power generation).

EPRO PR6423: Signal conditioner for the EPRO PR9376010-011—converts sensor output to 4–20 mA for integration with 3rd-party DCS (e.g., Siemens S7-1500), useful for non-EPRO monitoring systems.

EPRO MMS6000: Machinery monitoring system that natively integrates the EPRO PR9376010-011—offers AI-based fault detection, data logging, and remote alerting for predictive maintenance.

EPRO Extension Kit (EK-9376): Accessory for the EPRO PR9376010-011—extends cable length from 5 m to 20 m, enabling sensor installation in hard-to-reach locations (e.g., large motor enclosures).

EPRO Calibration Tool (CT-9376): Handheld device for the EPRO PR9376010-011—verifies sensor accuracy (0.1 μm resolution) on-site, eliminating the need to send sensors to a lab.

Siemens S7-1500 PLC: 3rd-party PLC compatible with the EPRO PR9376010-011 (via PR6423 conditioner)—supports 4–20 mA input, ideal for users not using EPRO MMS6000.

EPRO Probe Guard (PG-9376): Protective accessory for the EPRO PR9376010-011—stainless steel shroud prevents physical damage to the probe (e.g., from debris in mining applications).

EPRO PR9376010-005: Short-range variant of the EPRO PR9376010-011—sensing range: 0–1 mm, optimized for small-diameter shafts (e.g., pump motors < 15 mm diameter).

Installation, commissioning and maintenance instructions

Installation preparation: Before installing the EPRO PR9376010-011, power off the monitoring system (e.g., EPRO MMS6000) and wear ESD wristbands to protect the sensor’s electronics. Verify the target shaft is ferromagnetic (steel) with Ra ≤ 1.6 μm surface finish—rough surfaces reduce accuracy. Mount the probe using EPRO’s dedicated bracket (included), ensuring the probe tip is aligned perpendicular to the shaft (±1° max) and set to the nominal 1 mm gap (use EPRO’s gap tool for precision). Route the 5 m shielded cable away from high-voltage lines (min 300 mm separation) to avoid noise, and connect the connector to the signal conditioner (e.g., EPRO PR6423) or MMS6000.

Maintenance suggestions: Calibrate the EPRO PR9376010-011 annually using the EPRO CT-9376 tool to verify 0.1 μm resolution and ±1% FS accuracy—follow EPRO’s calibration wizard for step-by-step guidance. Inspect the sensor quarterly: clean the probe tip with a lint-free cloth (avoid abrasives), check cable shielding for damage (replace if cracked), and verify the gap (adjust if > 1.2 mm or < 0.8 mm). If the sensor’s LED shows red (fault), check for short-circuited cables or incorrect power supply—use EPRO MMS6000’s diagnostic tool to isolate the issue. Store spare EPRO PR9376010-011 units in a dry, -20 °C to +50 °C environment, and avoid bending the cable (minimum bend radius: 50 mm).

Service and guarantee commitment

EPRO (via Siemens Energy) provides a 2-year standard warranty for the EPRO PR9376010-011, covering defects in materials, workmanship, and performance (including resolution and temperature compensation). For critical applications, the Siemens Extended Service Plan extends coverage to 5 years, including annual on-site calibration (traceable to NIST), priority technical support (2-hour response time for power/oil & gas customers), and expedited replacement (48-hour delivery of a loaner EPRO PR9376010-011 during repairs).

Siemens’ global technical team includes machinery protection specialists, offering 24/7 support for the EPRO PR9376010-011—assisting with installation alignment, MMS6000 integration, and fault troubleshooting. Customers gain free access to exclusive resources: application notes on turbine monitoring with the EPRO PR9376010-011, calibration tutorials, and a user community for sharing best practices. For out-of-warranty repairs, Siemens’ Precision Sensor Service restores the EPRO PR9376010-011 to factory specs (replacing worn probe tips/electronics) and provides a 6-month warranty. This commitment reflects EPRO’s confidence in the sensor’s durability and dedication to protecting users’ high-value rotating machinery.

If you need to refine specific sections—such as adding industry-specific use cases (e.g., marine propulsion, paper mill rollers) or adjusting technical parameters to match exact product specs—feel free to share additional details. I can also expand on compatibility with non-Siemens monitoring systems or include more granular guidance on probe gap adjustment for optimal performance.