Bently Nevada | 21000-28-05-00-105-04-02 | Proximity Probe

Bently Nevada 21000-28-05-00-105-04-02 Proximity Probe Housing – Safe for Hazardous Zones

What It Is

A durable probe holder for dangerous industrial areas. Made by Bently Nevada, it follows API 670 rules to keep your equipment secure and working well.

Key Facts

Brand: Bently Nevada (trusted in industrial tools)
Model: 21000-28-05-00-105-04-02 Proximity Probe Housing
Material: Light aluminum body + 304 stainless steel sleeve (strong and long-lasting)
Weight: About 1.1 kg (2.4 lb) (no extra parts)
Max Size: 13.5 in (34.3 mm) (probe IDs hidden with 0.5m cable)

What the Numbers Mean

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

AA=28: 3300 XL 8mm probe (with options for safe use in risky zones)
BB=05: 0.5m (20in) probe cable (standard length)
CC=00: No standoff adapter (no extra space needed)
DDD=105: 10.5in probe depth (how far it fits into machines)
EE=04: Includes 1x 3/4-14 NPT plug (no extra fittings)
FF=02: 3/4-14 NPT mounting thread (needed if CC ≠ “00”; here CC=00, but still included)

Install Tips

Use the 3/4-14 NPT thread (FF=02) for secure mounting.
Probe depth (CC+DDD=0+10.5=10.5in) is under 12in (300mm)—no extra support needed.

What It Fits

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

Certifications

CSA Explosion-Proof: Safe for Class I Div 1/2 (Groups C/D), Class II Div 1/2 (Groups E/F/G), Class III
RoHS: Eco-friendly—follows EU 2011/65/EU rules
Enclosure: CSA Type 4 (stops dust and water)

What’s Included

Dome cover (screws onto housing)
Threaded ports for conduit (connect wires easily)
Probe sleeve (adjustable length)
O-rings (keeps seals tight)
Reverse-mount probe (fits in tight spaces)
Thread seal (stops leaks)
Optional: conduit parts, standoff adapter (if added)

Download PDF file here:21000-24701-Datasheet