21000-16-10-00-124-03-02 Bently Nevada Proximity Probe Housing Assembly

Global PLC Spare HUB's Insight

Protecting critical reverse-mount proximity probes in harsh industrial environments requires a robust mechanical housing solution that complies with rigorous API 670 standards. Our technical inspection of the 21000-16-10-00-124-03-02 proximity probe housing assembly demonstrates how integrated aluminum and stainless steel components safeguard internal sensors from extreme process pressures and physical damage. For rotating machinery protection engineers, selecting a certified explosion-proof enclosure guarantees long-term measurement reliability without sacrificing signal integrity.

Configuration Breakdown and Suffix Architecture

The structured suffix configuration mapping of the 21000-16-10-00-124-03-02 assembly is organized below:

• Base Model Family
  • 21000 - Proximity Probe Housing Assembly
• Probe and Connector Type
  • -16 - 3300 XL 8 mm probe option with connector
• Probe Cable Length Option
  • -10 - 1.0 m (39 in) internal probe cable length
• Standoff Adapter Option
  • -00 - No standoff adapter installed
• Probe Penetration Dimension
  • -124 - 12.4 inches total probe penetration depth
• Fittings and Conduit Option
  • -03 - One 3/4-14 NPT plug, one 3/4 to 1/2 NPT reducer, and cable seal grip set
• Mounting Thread Spec
  • -02 - 3/4-14 NPT mounting thread option

### Comprehensive Technical Specifications Matrix

### Target Equipment Applications and Diagnostic Capabilities

### Selection Comparison and Technical Advice

Global PLC Spare HUB's Insight: When designing measurement loops for deep machinery casings, engineers must carefully evaluate the combined probe penetration length and mounting thread specifications. If your application demands a shorter probe penetration profile or different adapter parameters, compare this unit with alternative configurations. For instance, consider the 21000-16-05-15-037-01-02 when your installation requires a shorter cable length option and a different penetration layout. Matching these metrics avoids case counter-boring issues.

### Logistics, Warranty, and Fulfillment

### Professional Frequently Asked Questions

Question:
What structural precaution must an engineer take when configuring probe penetration lengths greater than 12 inches on the 21000-16-10-00-124-03-02?

Answer:
If you select a probe penetration length greater than 300 mm (12 in), you must install internal sleeve support near the probe tip to prevent mechanical resonance from occurring during high-speed operation.

Question:
How does the housing assembly handle cable sealing for external field conduits?

Answer:
The included -03 fitting kit provides a specialized cable seal grip with interchangeable grommets supporting cable diameters ranging from 1/8 inch up to 3/8 inch.

Question:
What are the hazardous area classification details for this specific assembly configuration?

Answer:
The assembly is CSA certified explosion-proof for Class 1 Divisions 1 and 2 Groups C and D, as well as Class 2 Divisions 1 and 2 Groups E, F, and G, maintaining a T4/T5 temperature class depending on ambient limits.

Question:
Is counter-boring required when installing this assembly on standard machine casings?

Answer:
Counter-boring of the machine case may be necessary only if working with short probe penetration lengths between 1.0 and 2.0 inches to reduce probe side-view or rear-view interference effects.

Question:
How can technicians verify the serial and part numbers if only a short section of the probe cable is visible?

Answer:
For specific combinations where the main probe body is deeply recessed, the probe part number and serial number are displayed directly on a flag label attached to the accessible cable section.

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