24701-28-10-35-027-03-02 Bently Nevada Proximity Probe Housing Assemblies
Description
The 24701‑28‑10‑35‑027‑03‑02 is a stainless steel body probe housing assembly, with an 8 mm 3300 XL probe (with approvals) and connector, a 1.0 m cable, a 3.5 in standoff adapter, 2.7 in probe penetration,
conduit fitting option 03, and mounting thread 3/4‑14 NPT.The model “24701” refers to a stainless steel body version of the externally‑mounted proximity probe housing assembly
from Bently Nevada. According to the datasheet: “24701: 303 stainless steel body, with 304 stainless steel sleeve.”These housings are designed for mounting a proximity
probe (for example from the 3300 XL series) outside the machine casing so that gap setting and probe
replacement can be done without disassembling the machine.
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FAQ
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1. What does this housing assembly allow me to do that a direct probe mount doesn’t?
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It allows external access to the proximity probe and its extension cable without dismantling the machine casing.
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It provides a sleeve through which the probe tip faces the target; this allows you to mount in places where you cannot do direct flush or weld‑in probe mounts easily.
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It supports conduit connections and optional standoff adapters for installation flexibility (especially in hazardous areas).
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It helps maintain the correct probe gap and protects the probe and cable from direct mechanical or thermal stress.
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2. What does the “28” in the part number mean?
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In the ordering scheme for the 24701 housing, “A: Probe with Connector” has many codes: e.g., "28 = 3300 XL 8 mm probe, with selectable hazardous area approvals" (for the 21000/24701 series) according to datasheet.
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So in your part number “28” means that the housing includes a 3300 XL 8 mm probe (reverse mount) and it has the hazardous area approvals option.
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If you only ordered the housing (no probe), the “A” option might be 00, indicating “Probe not required”.
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3. How do I interpret the standoff adapter length and probe penetration length?
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The “C” option (third digits after B) is the standoff adapter length — measured in increments of 0.5 in (13 mm) starting at 1.5 in (38 mm) minimum. So “35” in your part number likely means 3.5 in (89 mm) standoff.
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The “D” option (next three digits) is the probe penetration length (the length that the probe sleeve extends into the machine) measured in 0.1 in (approx 3 mm) increments usually. For example “027” likely means 2.7 in (≈68 mm).
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The total “C + D” gives the effective sleeve length; for long lengths you must support the sleeve to prevent vibration.
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Inquiry now: miya@mvme.cn
Bently Nevada Hot Series:
3300 XL Proximity Probe
3300 Proximitor Sensor
3500 Power Supply
1900/65A
3500/42 Monitor Module
The 990 Vibration Transmitter
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