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The Bently Nevada 21000-16-05-00-077-03-02 is a Proximity Probe Housing Assembly designed to provide external mounting and protection for proximity probes in industrial machinery monitoring applications. It supports proper probe installation while accommodating different machine configurations and mounting requirements.

For applications where installation space is limited, Bently Nevada also offers the 164818 Compact Proximity Probe Housing. This compact housing is intended for space-restricted installations and is available with ceramic capped probes, providing an alternative housing configuration for applications with limited mounting clearance.

The sleeve length used with the proximity probe housing is determined by the installation location of the probe and housing. To ensure proper installation, the probe lead must be longer than the sleeve, allowing the probe to be correctly positioned within the housing assembly.

For sleeve lengths greater than 304 mm (12 inches), additional sleeve support is required to reduce vibration that may occur with long unsupported sleeve assemblies. Proper sleeve support helps maintain installation stability in applications requiring extended sleeve lengths.

Frequently Asked Questions

Q : What exactly is the 21000-16-05-00-077-03-02?

A : It is an external proximity probe housing assembly manufactured by Bently Nevada. It protects an 8mm eddy current probe from harsh industrial environments.

Q : Which international industry standard does this assembly comply with?

A : It fully complies with the API 670 standard (American Petroleum Institute), the global benchmark for machinery protection systems.

Q : What does the option code "-16" mean?

A : It specifies that the housing is configured for a 3300 XL 8mm Reverse Mount Probe (with standard miniature coaxial connectors).

Q : What fittings are included in the "-03" option code?

A : It includes one 3/4-14 NPT plug, one reducing adapter, and one cable gland with multiple silicone boots for a tight cable seal.

Product Applications

Oil and Gas Industry: Protecting and securing sensors in hazardous explosion-proof areas (Class 1 Div 1/2) of refineries and natural gas pipeline compressor stations.

Power Energy Industry: Installing sensors on turbine generator sets in thermal, hydroelectric, and nuclear power plants for long-term, continuous online early warning of mechanical conditions.

Chemical and Heavy Chemical Plants: Monitoring drive shafts in chemical centrifuges and large reactors operating at high temperatures and pressures with potentially explosive gases.