Bently Nevada 21000-28-05-15-050-03-02 Proximity probe housing / assembly

FAQ

Q1: What does “28‑05‑15‑050‑03‑02” in the model number indicate?
“28” = 3300 XL 8 mm probe with selectable approvals; “05” = 0.5 m cable; “15” = 1.5 in standoff adapter; “050” = 5.0 in probe penetration; “03” = the set of fittings (plug + reducer + seal grip); “02” = 3/4‑14 NPT mounting thread.

Q2: Is the proximity probe and cable included in the assembly?
Yes — this housing is supplied as a complete unit with the 3300 XL probe and 0.5 m cable preinstalled.

Q3: What are the approximate dimensions and weight?
Approximately Ø50 mm in diameter and ~185 mm in overall length (including standoff). The unit weighs about 1.1 kg without additional fittings.

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

Q5: What operating temperature range is supported?
This unit is rated for operation and storage from –51 °C up to +177 °C.

Q6: What fittings are included with the “03” option?
It includes a 3/4‑14 NPT plug, a 3/4‑14 to 1/2‑14 NPT reducer, and a cable seal grip for accommodating a range of cable diameters.

Q7: Can this assembly be used in explosive or hazardous environments?
Yes. It is designed with explosion‑proof capability and meets CSA / API 670 standards when properly installed and specified.

Q8: Can I change the standoff adapter or penetration length later?
This variant includes a 1.5 in standoff adapter. To alter it or use a different penetration, you must order another variant with the needed suffix or use a compatible external adapter.

21000-28-05-15-050-03-02 Bently Nevada

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