Product details
Bently Nevada 21504-00-48-10-00 Vibration Probe
Precision monitoring for rotating machinery. This 8mm sensor detects vibration with 200 mV/mil sensitivity and 10kHz frequency response. Factory-new with 12-month warranty.
Model Number Decoded
21504-00-48-10-00 explained:
├── 21504: Probe Series ├── 00: 0mm unthreaded length ├── 48: 4.8 inch case ├── 10: 1.0 meter cable └── 00: No connector
Technical Performance
| Thread Size | 3/8-24 |
| Power | -17.5V to -26V DC |
| Sensitivity | 200 mV/mil ±9.5% |
| Resolution | 0.02mm linearity |
| Frequency | 0-10kHz (-5% at 10kHz) |
| Temp Drift | -3% at 65°C |
| Cable Length | 1.0m ±0.25m |
| Weight | 0.59kg (1.3 lbs) |
Extreme Environment Ready
- Chemical Proof: Resists oil, sulfuric acid, ammonia
- Humidity: Works at 95% non-condensing
- Temp Range:
- Probe: -34°C to +177°C
- Sensor: -51°C to +100°C
- Shock Resistant: Industrial casing
Package & Shipping
- 1x Vibration probe
- Factory calibration certificate
- 12-month warranty card
- Installation guide
Global delivery: FedEx ● UPS ● DHL
Pro Tips
- Install gap: Start at 0.25mm (10 mils)
- Mounting: Use 3/8-24 threads
- Calibration: Factory-set for steel
- Output: -17V to -26V DC signal
Expert FAQs
Q: Can I use this in oil-submerged pumps?
A: Yes! Resists lube oil and chemicals.
Q: What’s the minimum detectable vibration?
A: 0.02mm (0.8 mils) linear accuracy.
Q: Does it need external power?
A: Self-powered by -17.5V to -26V DC input.
Q: Max cable extension?
A: Cable is fixed at 1.0m. Pair with extension cables.
Q: How to verify calibration?
A: Check output at 10 mils gap: 2V ±9.5%.
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