21505-24-40-10-02 Bently Nevada Vibration Sensor Probe
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21505-24-40-10-02 Bently Nevada Armored Proximity Probe
Factory-new 8mm vibration sensor with stainless steel armor and 1m cable. Engineered for extreme industrial environments with enhanced durability.
Key Features
- Stainless steel armored cable for abrasion resistance
- Extended 2.4" unthreaded section for deep mounting
- 10 kHz frequency response (±5%)
- Corrosion-resistant to chemicals and oils
- 200 mV/mil scale factor (±4% accuracy)
Technical Specifications
Brand: Bently Nevada
Full P/N: 21505-24-40-10-02
Diameter: 8 mm
Thread: 3/8-24 UNF
Armor: Stainless steel
Output Range: -17.5 to -26 VDC
Measurement Range: 0.25-2.0 mm
Linearity: ±0.02 mm (±0.8 mil)
Temp Sensitivity: -3% at 65°C
Frequency Response: 0-10 kHz
Cable Length: 1.0 m ±10%
Configuration Options
-
Base Model: 21505 (Armored Proximity Probe)
- Unthreaded Length: 24 (2.4 inches)
- Case Length: 40 (4.0 inches)
- Cable Length: 10 (1.0 meter)
- Connector: 02 (Male coaxial)
Comparison with Similar Models
| Feature | 21505-24-40-10-02 | 21505-00-72-10-02 | 21505-12-40-10-02 |
|---|---|---|---|
| Unthreaded Length | 2.4 in | 0 in | 1.2 in |
| Case Length | 4.0 in | 7.2 in | 4.0 in |
| Cable Armor | Stainless Steel | None | Stainless Steel |
| Best Application | High-vibration zones | General purpose | Moderate vibration |
| Weight | 1.3 lbs | 1.1 lbs | 1.3 lbs |
Industrial Applications
- Mining conveyor belt rollers with heavy abrasion
- Steel mill gearbox vibration monitoring
- Offshore platform compressor shafts
- Cement plant kiln bearing analysis
- Wind turbine generator alignment
Installation Guide
- Mount using 3/8-24 UNF threads
- Position 0.25mm from target surface
- Secure armored cable with strain relief
- Connect to monitoring system (-18 to -26VDC)
Environmental Specifications
Operating Temp:
• Probe: -34°C to +177°C
• Electronics: -51°C to +100°C
Humidity: 95% non-condensing
Chemical Resistance: Sulfuric acid (10%), MEK, DMF, lube oils
Package Contents
- 21505-24-40-10-02 Probe
- Installation guide
Warranty & Shipping
12-month manufacturer warranty
FedEx, UPS, DHL global shipping
Insured delivery available
FAQ
Q: What's the armored cable advantage?
A: Protects against abrasion in high-vibration zones
Q: Can it monitor reciprocating compressors?
A: Yes, 10kHz response captures rapid movements
Q: What's the temperature sensitivity?
A: -3% scale factor change at 65°C
Q: Is it suitable for food processing plants?
A: Yes, resists cleaning chemicals and moisture
Q: How does unthreaded length affect installation?
A: Allows deeper penetration into machinery cavities