Product Overview
When machinery vibration threatens uptime, the Bently Nevada 21000-16-10-20-083-03-02 Proximity Probe Housing Assembly delivers reliable, precise monitoring. This industrial automation module is engineered for externally mounted proximity probes in critical rotating equipment, ensuring you capture accurate displacement data even in harsh environments.
The 21000-16-10-20-083-03-02 combines a rugged aluminum body with a 304 stainless steel sleeve, providing excellent durability and corrosion resistance. It is part of the trusted 21000 series, known for robust construction and dependable performance in demanding industrial settings.
Key Technical Specifications
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Probe Option: 3300 XL 8 mm probe with connector (suffix 16)
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Probe Cable Length: 1.0 m (39 in) (suffix 10)
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Standoff Adapter: 2 in (suffix 20)
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Probe Penetration (D dimension): 8.3 in (suffix 083)
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Fittings: One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, one cable seal grip with grommets (suffix -03)
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Mounting Thread: 3/4-14 NPT (suffix 02)
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Material: Aluminum body with 304 stainless steel sleeve
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Weight: 1.1 kg (2.4 lb) typical, without fittings
These specifications ensure the 21000-16-10-20-083-03-02 integrates seamlessly into your monitoring system, providing reliable performance and easy installation.
Applications and Use Cases
The 21000-16-10-20-083-03-02 is ideal for vibration and displacement monitoring in turbomachinery, pumps, compressors, and motors. Its explosion-proof design (CSA certified) makes it suitable for hazardous areas, including oil & gas, petrochemical, and power generation facilities.
For example, in a refinery compressor train, this housing assembly mounts externally to capture shaft vibration signals, enabling early detection of misalignment or bearing wear. The long probe penetration (8.3 in) allows access to recessed shafts, while the standoff adapter simplifies installation in tight spaces.
With a maximum probe cable length of 1.0 m, you can position the housing conveniently without sacrificing signal integrity. The 21000-16-10-20-083-03-02 also supports intrinsically safe applications when paired with approved proximity probes, enhancing safety in volatile environments.
Installation Guidance
Proper installation is critical for accurate readings. Follow these guidelines when mounting the 21000-16-10-20-083-03-02:
- Ensure the mounting thread (3/4-14 NPT) matches your machine's port. The standard 3/4-14 NPT thread is the default; if you selected a different standoff adapter, confirm compatibility.
- For probe penetration lengths between 1.0 and 2.0 inches, consider counter boring the machine case to reduce side view or rear view effects, as recommended in the product documentation.
- If the total probe penetration (C plus D) exceeds 300 mm (12 in), add sleeve support near the probe to prevent resonance. The adjustment range for option D is 13 mm (± 0.5 in), allowing fine-tuning.
- Use the provided fittings (NPT plug, reducer, and cable seal grip) to secure conduit connections and maintain the enclosure's integrity.
Always verify that the probe and cable are routed without sharp bends to avoid damage.
Maintenance and Reliability
Regular inspection of the 21000-16-10-20-083-03-02 ensures long service life. Check the O-rings and thread seal periodically for wear, especially in high-temperature or corrosive environments. The aluminum body and stainless steel sleeve resist corrosion, but keep the housing clean to prevent debris from affecting probe performance.
Because this assembly is CSA certified explosion-proof, maintaining its seal integrity is crucial for safety. Replace any worn grommets or fittings immediately to preserve the hazardous area rating. With proper care, this module offers years of dependable operation, reducing costly downtime.
Selection Guide
When ordering the 21000-16-10-20-083-03-02, verify the suffix codes match your requirements: probe option, cable length, standoff adapter, penetration, fittings, and mounting thread. This unit comes new and in original factory packing, backed by a 12-month warranty. For assured quality and genuine parts, PLC Source PRO is your reliable supplier for industrial automation spares. Confirm your specifications before purchase to ensure seamless integration.