Technical Specifications Breakdown
Key parameters for the 21505-00-36-10-02 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Model | 21505 7200 Proximity Transducer Systems |
| Tip Diameter | 8 mm |
| Configuration Threads | 3/8-24 |
| Lead Armor | Yes (stainless steel) |
| Power Input | -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% |
| Frequency Response | 0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz (600,000 cpm) |
| System Weight | 1.3 lbs. (0.59 kg) |
Industry Applications for Reliable Machinery Protection
This 8 mm probe is ideally suited for monitoring radial vibration and shaft position in critical rotating equipment such as steam turbines, centrifugal compressors, pumps, and large electric motors. Its 80 mil (2.0 mm) calibrated range and linear output (within 0.8 mils of a 200 mV/mil straight line when calibrated as a system) enable early detection of developing faults like imbalance, misalignment, and bearing wear. The stainless steel lead armor provides robust protection in high-temperature or corrosive environments, making it a cost-effective choice for continuous operation.

Installation and Setup Guidance
Proper installation is critical for accurate measurements. Mount the probe securely using the 3/8-24 threads, ensuring the probe face is clean and free of debris. The calibrated range begins at approximately 10 mils (0.25 mm) from the probe face; set the initial gap within this range to achieve optimal linearity. Use the miniature male coaxial connector (connector option 02) for reliable signal transmission. Always verify the system calibration after installation to maintain the ±4% scale factor accuracy.
Maintenance and Reliability
The Bently Nevada 21505-00-36-10-02 is designed for long-term, maintenance-free operation under specified environmental limits. The probe and extension cable can withstand temperatures from -30°F to +350°F (-34°C to +177°C), while the Proximitor operates from -60°F to +212°F (-51°C to +100°C). The probe is resistant to direct contact with air, water, lube oil, and several chemicals, including ammonium hydroxide and sulfuric acid (10%). Periodically inspect the probe face and cable for physical damage, and verify the gap voltage during routine shutdowns.
Precision Vibration Monitoring with the Bently Nevada 21505-00-36-10-02
Industrial rotating machinery demands reliable, accurate vibration measurement to prevent catastrophic failures. The Bently Nevada 21505-00-36-10-02 8 mm proximity probe delivers the performance and durability required for continuous protection in harsh environments. As part of the trusted 7200 Proximity Transducer System, this component is engineered for precise gap and vibration monitoring.

Compatibility and Integration
This probe is designed for use with Bently Nevada 7200 Proximity Transducer Systems. The 1.0 meter (39 inches) total length, with a tolerance of +0.25 meter, -0.10 meter, provides flexibility for various machine train layouts. For system-level accuracy, calibrate the probe together with its Proximitor.
Selection Guide and Purchasing Advice
When selecting a replacement or spare probe, verify the unthreaded length (00- 0.0 in), overall case length (36- 3.6 in), total length (10- 1.0 meter), and connector option (02) match your existing installation. The 21505-00-36-10-02 is supplied new and in original factory packing. Please verify current lifecycle status and availability with AutoDCSTech before ordering. Our team can help confirm compatibility with your Bently Nevada system.
Availability & Condition at AutoDCSTech
| Part Number | 21505-00-36-10-02 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
