Technical Specifications Breakdown
Key parameters for the 21504-30-60-05-02 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Model | 21504 7200 Proximity Transducer Systems |
| Tip Diameter | 8 mm |
| Unthreaded Length Option | 3.0 in |
| Overall Case Length Option | 6.0 in |
| Total Length Option | 0.5 metre (20 inches). Tolerance: +.13 metre, -.05 metre (+ 5 inches, -2 inches) |
| Connector Option | With miniature male coaxial connector |
| Input Power | -17.5 Vdc to -26 Vdc at 12 mA maximum consumption |
| Calibrated Range | 80 mils (2.0 mm). Begins at approximately 10 mils (0.25 mm) from probe face |
| Scale Factor | 200 mV/mil (7.87 V/mm), ±4% (measured in increments of 10 mils over the calibrated range) if calibrated as a system, Within ±9.5% including interchangeability errors |
| Linearity | Within 0.8 mils (0.02 mm) of a 200 mV/mil straight line if calibrated as a system. Within 2.3 mils (0.06 mm) of a 200 mV/mil straight line including interchangeability errors |
| Frequency Response | 0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz (600,000 cpm) |
| Temperature Sensitivity | Typically -396 change in scale factor at +150°F (+65°C) at 50 mils gap (1.27 mm) |
| Operating Temperature (Proximitor) | -60°F to +212°F (-51°C to +100°C) |
| Operating Temperature (Probe and Extension Cable) | -30°F to +350°F (-34°C to +177°C) |
| Relative Humidity | To 95%, noncondensing |
| System Weight | 1.3 lbs (0.59 kg) |
Industry Applications for the 21504-30-60-05-02
This proximity probe is commonly deployed in turbomachinery, compressors, pumps, and large electric motors. Its 80 mils calibrated range and 200 mV/mil scale factor allow accurate shaft displacement tracking, helping operators identify imbalance, misalignment, or bearing wear before catastrophic failure occurs. The probe withstands direct contact with air, water, lube oil, ammonium hydroxide, sulfuric acid (10%), MEK, or DMF, making it suitable for chemical and petrochemical facilities.
Installation and Setup Guidance
Mount the probe with the 3/8-24 thread into a rigid, non-magnetic bracket. Ensure the probe face is perpendicular to the target surface. The unthreaded length option of 3.0 in and overall case length of 6.0 in provide flexibility for various mounting depths. Connect the miniature male coaxial connector to the proximitor, and verify the input power is within -17.5 Vdc to -26 Vdc. The gap should be set so the target is within the calibrated range (10 to 80 mils from the probe face).
Maintenance and Reliability
Periodically inspect the probe cable and connector for damage. Keep the probe tip clean and free of debris. The system operates reliably in relative humidity up to 95% noncondensing and across the specified temperature ranges. No internal adjustments are required; the probe is a passive sensor.
Reliable Vibration Monitoring for Rotating Machinery
Unplanned downtime due to bearing or shaft vibration can halt production and increase maintenance costs. The Bently Nevada 21504-30-60-05-02 proximity probe provides precise, real-time displacement measurements to help you detect early signs of mechanical issues. This 8 mm probe is part of the trusted 7200 Proximitor system, engineered for continuous operation in harsh industrial environments.
Compatibility and Integration
The 21504-30-60-05-02 is designed for use with Bently Nevada 7200 Proximitor systems. It outputs a voltage proportional to gap distance (200 mV/mil), which can be fed into vibration monitors, data acquisition systems, or PLCs for trending and alarm generation.
Selection Guide and Purchasing Advice
When ordering, confirm your required total length and connector type. The 21504-30-60-05-02 is available new and original in factory packing with a 12-month warranty from AutoDCSTech. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 21504-30-60-05-02 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
