Bently Nevada 21000-28-05-15-028-04-02 Proximity probe housing / assembly

FAQ

Q1: What do the suffix codes “28‑05‑15‑028‑04‑02” represent in the model number?
“28” denotes a 3300 XL 8 mm probe with selectable approvals; “05” means a 0.5 m cable; “15” indicates a 1.5 in standoff adapter; “028” refers to 2.8 in probe penetration; “04” is the fitting configuration of a single plug; “02” is the 3/4‑14 NPT mounting thread.

Q2: Does this housing come with the probe and cable installed?
Yes. It is supplied as a complete assembly including the 3300 XL 8 mm proximity probe and the 0.5 m cable.

Q3: What are the approximate dimensions and weight?
About Ø50 mm diameter and ~110 mm length (including standoff). The weight is around 1.0 kg (excluding optional fittings).

Q4: What materials are used in the housing and sleeve?
The housing body is aluminum, while the sleeve (probe support) is made of 304 stainless steel for mechanical strength and corrosion resistance.

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

Q6: What does the “04” fitting option imply?
It includes a single 3/4‑14 NPT plug only, with no additional reducers or cable seals.

Q7: Can this model be used in hazardous / explosive environments?
Yes. It is capable of explosion‑proof installation when properly selected and installed according to the 21000 series practices.

Q8: Can I later change the standoff adapter or probe penetration?
This configuration includes a 1.5 in standoff adapter. To change it or adjust penetration, you would need a different model suffix or a compatible external adapter.