Proximity Probe | Bently Nevada | 21000-28-05-20-037-04-02

Bently Nevada 21000-28-05-20-037-04-02 Proximity Probe Housing – Safe for Hazardous Areas

What It Does

Made for dangerous industrial areas, the Bently Nevada 21000-28-05-20-037-04-02 Proximity Probe Housing keeps probes secure. It follows API 670 rules, great for tough jobs.

Key Details

Brand: Bently Nevada
Model: 21000-28-05-20-037-04-02 Proximity Probe Housing
Material: Aluminum body + 304 stainless steel sleeve
Weight: About 1.1 kg (2.4 lb) (no extra parts)
Max Size (C+D): 13.5 in (34.3 mm) (probe IDs hidden with 0.5m cable)

What the Numbers Mean

Model format: 21000-AA-BB-CC-DDD-EE-FF

AA=28: 3300 XL 8mm probe (with choices for safe use in dangerous areas)
BB=05: 0.5m (20in) probe cable
CC=20: 2in (50.8mm) standoff adapter
DDD=037: 3.7in probe depth
EE=04: Includes 1x 3/4-14 NPT plug (no extra parts)
FF=02: 3/4-14 NPT thread (needed if CC ≠ “00”)

How to Install

Need 3/4-14 NPT thread (FF=02) if CC ≠ “00”.
If probe depth (CC+DDD) >12in (300mm): Add support near the probe to stop shaking.

What It Fits

Works with:

3300 XL 8mm probes (with safe area options)
0.5m cables
Extra conduit parts or standoff adapters (optional)

Certifications

CSA Explosion-Proof: Class I Div 1/2 (Groups C/D), Class II Div 1/2 (Groups E/F/G), Class III
RoHS: Meets EU 2011/65/EU rules
Enclosure: CSA Type 4 (dust and water safe)

What’s Inside

Dome cover (screws onto housing)
Threaded ports for conduit
Probe sleeve (adjustable length)
O-rings
Reverse-mount probe
Thread seal
Optional: conduit parts, standoff adapter

Download PDF file here:21000-24701-Datasheet