Bently Nevada 21000-28-05-35-020-04-02 Proximity probe housing assembly

FAQ

Q1: What does each segment of the part number “28-05-35-020-04-02” mean?
“28” = 3300 XL 8 mm probe with selectable approvals; “05” = 0.5 m cable; “35” = 3.5 in standoff adapter; “020” = 2.0 in probe penetration; “04” = one 3/4-14 NPT plug; “02” = 3/4-14 NPT mounting thread.

Q2: Does this housing assembly include the probe and cable?
Yes, it comes as a complete assembly including the 3300 XL 8 mm probe and 0.5 m cable.

Q3: What are the physical dimensions and weight of this unit?
Approximately Ø50 mm diameter and ~140 mm length (including standoff and penetration). Weight is ~1.1 kg without fittings.

Q4: What materials are used in the housing and sleeve?
The housing body is aluminum, and the sleeve (probe support) is 304 stainless steel.

Q5: What is the operating temperature range?
The assembly is rated for use and storage from –51 °C to +177 °C.

Q6: What does the “04” fitting option include?
It includes a single 3/4-14 NPT plug.

Q7: Can this model be used in hazardous or explosive environments?
Yes, it is designed for explosion-proof applications and complies with CSA / API 670 standards.

Q8: Can the standoff adapter or probe penetration length be changed later?
This variant has a 3.5 in standoff and 2.0 in penetration. To change these, a different model suffix or a compatible adapter is required.