Bently Nevada 8 mm Standard Mount Probe 21504-00-52-05-02
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Bently Nevada 8mm Vibration Probe - Precision Machinery Monitoring
Core Specifications
Industrial-grade proximity transducer system with 5.2-inch case length and 0.5m cable. Designed for critical vibration measurement in turbines, compressors, and rotating equipment.
Model Breakdown: 21504-00-52-05-02
- 00: 0mm unthreaded section
- 52: 5.2-inch case length
- 05: 0.5m cable (20" ±3")
- 02: Miniature male coaxial connector
Technical Performance
- Measurement Range: 80 mils (2.0 mm)
- Scale Factor: 200 mV/mil ±9.5%
- Linearity: ±0.06 mm maximum error
- Frequency Response: 0-10 kHz (±5%)
- Power: -17.5 to -26 VDC @ 12mA max
Environmental Ratings
- Probe Temp: -34°C to +177°C
- Electronics Temp: -51°C to +100°C
- Humidity: 95% non-condensing
- Chemical Resistance: Oils, acids, solvents
Physical Construction
- 8mm PPS sensing tip
- 3/8-24 threaded case
- Unarmored cable
- Weight: 0.59kg
Alternative Models Comparison
| Model | Case Length | Cable Length | Key Feature | Product Link |
|---|---|---|---|---|
| 21504-00-52-05-02 | 5.2 in | 0.5m | Standard connector | Current Model |
| 21504-08-32-10-02 | 3.2 in | 1.0m | 8mm unthreaded section | PowerGearX |
| 21504-00-08-05-02 | 0.8 in | 0.5m | Compact design | World of PLC |
| 21504-00-16-10-02 | 1.6 in | 1.0m | Medium reach | PLCDCShub |
Installation Guide
- Mounting torque: 15-20 lb-in
- Optimal gap: 0.25mm from target
- Max cable bend: 25mm radius
- Avoid installation below -34°C
Critical Questions
Q: Minimum detectable vibration?
A: System detects from 0.25mm from target surface
Q: Chemical resistance level?
A: Withstands 10% sulfuric acid and industrial solvents
Q: Calibration requirements?
A: Factory-calibrated; field verification recommended annually
Q: Vibration direction capability?
A: Measures radial vibration only (axial requires different setup)
Q: Replacement interval?
A: 5+ year lifespan in normal operating conditions
Package & Warranty
Factory-new with 12-month warranty. Includes probe, connector, and documentation. Ships via DHL/FedEx/UPS worldwide.