21505-00-44-10-02 Bently Nevada | 8 mm Proximity Probe
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Bently Nevada 7200 Proximity Probe: Industrial Vibration Sensing
Premium 8mm vibration probe with stainless steel armor for harsh environments. Features 3/8-24 threads, 1m armored cable, and miniature coaxial connector. Ideal for critical machinery monitoring in power generation and heavy industry.
Technical Specifications
Part Number: 21505-00-44-10-02
Series: 7200 Proximity Transducer
Thread Size: 3/8-24 UNF
Case Length: 4.4 inches
Cable Length: 1.0 meter ±0.25m
Armor: Stainless Steel
Scale Factor: 200 mV/mil ±4%
Linearity: ±0.8 mils (calibrated)
Frequency Response: 0-10 kHz (-5% at 10kHz)
Power Supply: -17.5 to -26 VDC
Electrical Characteristics
Calibrated Range: 80 mils (2.0 mm)
Temperature Sensitivity: -3% @65°C
Current Consumption: 12mA max
Output Signal: -2V to -18V DC
Environmental Ratings
Probe Temp Range: -34°C to +177°C
Proximitor Temp Range: -51°C to +100°C
Humidity Tolerance: 95% non-condensing
Chemical Resistance: Oil, acids, solvents
Vibration Survival: 10g @ 2kHz
Physical Properties
Diameter: 8mm
Weight: 0.59 kg (1.3 lbs)
Connector: Miniature coaxial
Construction: Hermetically sealed
Installation Guidelines
Mounting torque: 12-15 N·m
Minimum target size: 1.5x probe diameter
Optimal gap setting: 40 mils (1.0mm)
Grounding: Shielded cable required
Maintenance Protocol
Monthly gap verification
Quarterly cable integrity checks
Annual calibration validation
Biennial full system diagnostics
Shipping & Packaging
Factory-sealed anti-static packaging
Global express via FedEx/UPS/DHL
Delivery within 2-5 business days
12-month manufacturer warranty
Industry Applications
Steam turbine vibration monitoring
Hydroelectric generator bearings
Compressor shaft displacement
Industrial pump diagnostics
FAQ
Q: What does "00-44-10-02" in part number mean?
A: Unthreaded length: 0mm, Case length: 4.4in, Cable: 1m, Connector: Miniature coaxial
Q: Difference between standard and armored probes?
A: Armored probes (like this) have stainless steel cable protection for harsh environments
Q: Minimum target distance?
A: Measurement begins at 0.25mm from target surface
Q: Calibration requirements?
A: ±9.5% accuracy without calibration; ±4% with system calibration
Q: Thread adapter availability?
A: M10 adapters available for metric mounting points
Comparison: 7200 Series Probes
| Model | Case Length | Thread | Special Features | Details |
|---|---|---|---|---|
| 21505-00-44-10-02 | 4.4" | 3/8-24 | Stainless armor | Current model |
| 21505-00-20-10-02 | 2.0" | 3/8-24 | Compact design | Space-constrained installs |
| 21505-12-40-10-02 | 4.0" | M10x1 | Metric threads | European machinery |
| 21508-02-12-90-02 | 1.2" | M10x1 | Reverse mount | Limited-access points |