Bently Nevada 21505-000-016-10-02 8 mm Proximity Probe Vibration Sensor

Technical Specifications Breakdown

Key parameters for the 21505-000-016-10-02 are listed below for quick reference:

Industrial Applications for Enhanced Reliability

In steam turbines, the 8 mm probe monitors shaft radial vibration, providing data to trigger alarms before bearing damage occurs. For centrifugal compressors in oil and gas facilities, the 200 mV/mil scale factor enables precise gap measurements, ensuring consistent performance under varying loads. The probe's corrosion resistance to lube oil and sulfuric acid makes it suitable for harsh chemical environments.

Installation and Setup Guidance

Mount the probe using the 3/8-24 thread into a standard bracket or housing. Ensure the probe face is positioned to begin the calibrated range at approximately 10 mils (0.25 mm) from the target surface. Connect the miniature male coaxial connector to the extension cable, then route the stainless steel armored lead to the Proximitor. Verify input power is within -17.5 Vdc to -26 Vdc at 12 mA maximum. After installation, perform a system calibration to achieve the specified scale factor and linearity.

Maintenance and Reliability Tips

Inspect the probe and cable assembly periodically for physical damage or contamination. The stainless steel armor protects against abrasion in high-vibration areas. Keep the probe tip clean and free from debris to maintain accurate readings. The operating temperature range of -30°F to +350°F for the probe allows use in extreme environments, but avoid exceeding these limits to prevent sensor drift.

Reliable Vibration Monitoring for Critical Machinery

For maintenance engineers overseeing rotating equipment, the Bently Nevada 21505-000-016-10-02 proximity probe provides precise, non-contact vibration measurement. This 8 mm probe is part of the 7200 Proximity Transducer System, designed to detect shaft displacement and vibration in turbines, compressors, and pumps. With a calibrated range of 80 mils (2.0 mm) and a scale factor of 200 mV/mil (7.87 V/mm), it delivers accurate data for early fault detection.

Selection Guide and Purchasing Advice

When selecting a replacement vibration probe, verify the unthreaded length (0 mm), overall case length (160 mm), and total length (1.0 m) match your installation requirements. The 21505-000-016-10-02 is available new and in original factory packing at AutoDCSTech, backed by a 12-month factory warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.