Bently Nevada 21000-28-05-35-028-00-02 Externally mounted proximity probe housing assembly

FAQ

Q1: What does the suffix “‑28‑05‑35‑028‑00‑02” represent in the part number?
“28” = 3300 XL 8 mm probe with selectable hazardous‑area approvals; “05” = 0.5 m cable length; “35” = 3.5 in standoff adapter; “028” = 2.8 in probe penetration; “00” = no fittings supplied; “02” = mounting thread 3/4‑14 NPT.

Q2: Does this assembly include fittings such as plugs or reducers?
No. The “00” fitting code indicates that no fittings are included; you must provide or order them separately.

Q3: What are the physical dimensions and approximate weight of this housing?
The housing has an approximate diameter of Ø50 mm and an overall length of about 160 mm (including the standoff adapter). The typical weight is around 1.1 kg without fittings.

Q4: What materials are used for the body and sleeve of the housing?
The housing body is made of aluminum, and the sleeve (probe support tube) is constructed from 304 stainless steel for durability and corrosion resistance.

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

Q6: Is this housing suitable for use in hazardous or explosive environments?
Yes. When configured correctly, it is capable of explosion‑proof installation and meets relevant approvals such as CSA and API 670.

Q7: Can the standoff adapter or probe penetration length be changed after ordering?
This unit comes configured with a 3.5 in standoff and 2.8 in probe penetration. To change these physical dimensions, you would need to order a different suffix variant with the required adapter or penetration length.

Q8: Why is no fitting included, and how should I proceed if fittings are required?
The “00” code means no plug, reducer or cable seal grip is included. If your installation requires fittings, you should specify and order them separately or choose a variant of this model that includes the required fitting option.

21000-28-05-35-028-00-02 Bently Nevada

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