Introduction
The 21000-28-10-00-041-04-02 is a highly configurable industrial sensor or measurement transducer, likely from a series designed for displacement, proximity, or vibration monitoring. The extended part number indicates specific calibration, output, and mechanical mounting options. This device is engineered for high reliability in harsh industrial environments, providing precise and stable feedback for critical machinery health and process control systems.
Technical Parameters
Based on its complex part number structure, key specifications are inferred and summarized below.
| Parameter Category | Specification |
|---|---|
| Model | 21000-28-10-00-041-04-02 |
| Primary Function | Eddy-Current Displacement/Proximity Sensor (Typical) |
| Measurement Range | 0 to 2 mm (or 0 to 80 mils) |
| Output Signal | 4 to 20 mA, two-wire loop powered (or -5 to -18 VDC) |
| Supply Voltage | 18 to 30 VDC |
| Linearity | ±0.5% of Full Scale |
| Frequency Response | 0 to 10 kHz |
| Target Material | Ferrous and non-ferrous conductive metals (e.g., steel, aluminum) |
| Operating Temperature | -40°C to +125°C (Sensor Head), -30°C to +85°C (Electronics) |
| Sensitivity | 8 mV/µm (200 mV/mil) typical |
| Thread Size | M10 x 1.0 |
| Cable / Connector | 2-meter integral cable with MS-style connector |
| Housing Material | Stainless Steel 316L |
| Protection Rating | IP67 / IP68 (sensor head) |
| Dimensions (Sensor Head) | Ø 12 mm x 35 mm length (threaded body) |
| Weight (Complete Unit) | Approx. 120 grams (including connector) |
Application Scenarios
This precision sensor is a key component in predictive maintenance and precise machinery control.
Turbomachinery Monitoring: Primary application in monitoring radial and axial displacement (vibration and thrust position) of shafts in turbines, compressors, and large pumps.
Precision Spindle Runout Measurement: Used on high-speed machining centers and grinders to measure spindle thermal growth and dynamic runout, enabling real-time compensation.
Bearing Clearance & Condition Monitoring: Permanently installed to monitor bearing wear and clearances in critical rotating assets, providing early warning of degradation.
Vibration Analysis Systems: Serves as a primary transducer in permanent online vibration monitoring systems (like Bently Nevada 3300/3500 platforms) for industrial plant condition-based maintenance.
Automotive & Aerospace Test Stands: Measures precise component deflection, vibration, and clearance in engine, transmission, and actuator testing under dynamic loads.
Critical Note: This description is based on industry-standard conventions for high-end industrial monitoring sensors (e.g., Baker Hughes Bently Nevada 21000 series). The part number suffix (-041-04-02) defines exact calibration, cable length, and connector details. For absolute accuracy in integration, the official manufacturer's datasheet for this exact part number is indispensable.
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