New Housing Assembly | Bently Nevada | 21000-28-10-20-039-03-02

Proximity Probe Housing Assemblies (Model 21000)

Description

A premium Bently Nevada product, this new & original proximity probe housing assembly is designed for hazardous areas. Built with an aluminum body and 304 stainless steel sleeve, it includes key components like a dome cover, probe sleeve, O-rings, and reverse mount probe. Certified for explosion-proof use, it meets API 670 standards—ideal for industrial monitoring.

Technical Data

Brand: Bently Nevada
Model: 21000
Material: Aluminum body + 304 stainless steel sleeve
Weight: ~1.1 kg (2.4 lb) (without fittings)
Cable Length: 1.0 m (39 in)
Probe Penetration: 3.9 in
Working Temp: T5 (-50°C to +40°C); T4 (-50°C to +80°C)

Suffix Code Breakdown

Each suffix in “21000-28-10-20-039-03-02″ defines key features:

28: 3300 XL 8 mm probe (selectable hazardous area approvals)
10: 1.0 m probe cable length
20: 2 in standoff adapter
039: 3.9 in probe penetration
03: Includes 3/4-14 NPT plug, reducer, and cable seal grip (fits 1/8-3/8” cables)
02: 3/4-14 NPT mounting thread (required if standoff adapter ≠ 00)

Installation Guide

Use the 3/4-14 NPT mounting thread (suffix 02). If a standoff adapter (suffix 20) is added, this thread is mandatory for secure fitting.

Compatibility

Works with CSA-approved hazardous area probes. Pair with 21000 (aluminum) or 24701 (stainless steel) housings for intrinsically safe setups—fully compliant with API 670.

Certifications

RoHS (2011/65/EU)
CSA explosion-proof: Class I/II/III (Groups C, D, E, F, G); Enclosure Type 4

Package Includes

Dome cover, threaded ports, probe sleeve, O-rings, reverse mount probe, thread seal, optional conduit fittings, optional standoff adapter, 3/4-14 NPT plug, reducer, and multi-size cable seal grip.

Download PDF file here:21000-24701-Datasheet