Description
Technical Specifications
- Product Model: 80190‑440‑03‑R
- Brand: ALLEN BRADLEY
- Warranty: One Year
- Input Voltage: Powered by matching monitor rack, ‑24 V DC supply
- Operating Temperature: ‑35 °C ~ +180 °C (probe body); ‑35 °C ~ +125 °C (cable assembly)
- Storage Temperature: ‑40 °C ~ +200 °C
- Response Time: ≤1 µs dynamic signal response
- Protection Class: IP66 probe assembly
- Accuracy Class: Scale factor 7.87 V/mm, linear deviation ±0.025 mm within measuring range
- Output Frequency: 0‑10 kHz vibration signal bandwidth
- Rated Current Range: Passive eddy‑current probe, no drive‑current output
- Communication Interface: Integrated coaxial extension cable, dedicated interface for 3300 series monitor system
- Supported Protocols: Analog eddy‑current signal transmission, no digital bus
- Overload Capacity: 2 mm peak‑to‑peak full linear measuring range
- Dimensions: M10×1 threaded mounting probe, 3‑meter integral cable length
Product Overview
The ALLEN BRADLEY 80190‑440‑03‑R is a non‑contact eddy‑current proximity probe, designed for radial vibration, shaft displacement and position measurement on high‑speed rotating machinery. Working together with matched Bently Nevada monitor rack systems, it converts clearance variation between probe tip and conductive target shaft into proportional analog voltage signal. It solves common rotating‑equipment monitoring challenges such as inaccurate indirect casing‑vibration measurement, high‑temperature operating‑limit constraints and signal drift caused by mechanical vibration. Machinery protection engineers, condition‑monitoring technicians and plant maintenance teams benefit from this sensor. Direct non‑contact shaft measurement captures real rotor motion hidden by bearing oil‑film damping, providing reliable early‑warning data for predictive‑maintenance workflows. It complies with API 670 machinery‑protection requirements and can be used as drop‑in spare part for existing 3300 series monitoring installations.
Application Scenarios
- Steam & Gas Turbine Radial‑Vibration Monitoring: Mounted through bearing housings to measure shaft radial vibration. Captures rotor dynamic movement for machinery protection systems, detecting unbalance, misalignment and rotor‑stator rubbing before severe equipment damage occurs.
- Centrifugal Compressor Axial‑Thrust Position Surveillance: Used for thrust‑bearing wear monitoring. Continuously tracks axial rotor excursion and provides position data for protection logic to trigger alarms or trips when thrust bearing wear exceeds safe thresholds.
- High‑Temperature Process Fan & Blower Condition Monitoring: Suitable for hot‑running rotating assets. Wide probe operating‑temperature range maintains measurement stability without extra cooling hardware for high‑process‑temperature rotating machinery.
- Retrofit of Legacy Machinery‑Protection Systems: Serves as field‑replacement spare for existing Bently Nevada proximity‑probe assemblies. Matched mechanical thread and electrical characteristics reduce modification work and shorten plant downtime during sensor swap‑out.
Key Installation Notes
- Install via M10×1 threaded mounting hole; set initial probe gap around 0.5 mm from target shaft surface before tightening lock‑nut.
- Target shaft diameter should be minimum 25 mm to guarantee full‑range linear‑measurement performance.
- Route coaxial sensor cable separately from high‑power motor and excitation wiring to reduce electromagnetic interference.
- Must operate with original‑specification Bently Nevada monitor hardware; mismatched monitor units will degrade scale‑factor accuracy.
- Target‑material property will affect measuring result; non‑ferrous or coated shaft surfaces introduce measurement offset.
- For hazardous‑area deployment, strictly follow intrinsic‑safety installation requirements for cabling and barrier configuration.
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