21000-28-05-00-065-04-02 Bently Nevada | Probe Housing

Product Overview

The Bently Nevada 21000-28-05-00-065-04-02 is a complete probe housing assembly for 3300 XL 8mm proximity probes. It is designed for external mounting in hazardous environments. 

Model Configuration

• 21000: Aluminum housing with 304 stainless steel sleeve
• 28: 3300 XL 8mm probe with hazardous area approvals
• 05: 0.5 meter (20 inches) probe cable length
• 00: No standoff adapter
• 065: 6.5 inches probe penetration length
• 04: 1/2-14 BSPT mounting thread

Technical Specifications

• Measurement Range: 2mm (based on 3300 XL 8mm probe)
• Accuracy: ±1%
• Output Voltage: -2V to -18V DC
• Temperature Range: -40°C to +120°C
• Housing Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical without fittings
• Enclosure Rating: CSA Type 4 (explosion-proof)

Certifications & Compliance

• CSA certified for hazardous areas: Class I, Divisions 1 & 2, Groups C, D
• Class II, Divisions 1 & 2, Groups E, F, G
• Class III hazardous locations
• API 670 Standard compliant
• RoHS Directive 2011/65/EU compliant

Package Contents

• 1x 21000 aluminum probe housing body
• 1x 3300 XL 8mm probe with 0.5m cable
• 1x 6.5 inch stainless steel probe sleeve
• Threaded ports for conduit connections
• O-rings and seals for installation

FAQ

Q: Does this assembly include the probe?

A: Yes. The "28" in the model number includes a 3300 XL 8mm probe with 0.5m cable. This is a complete ready-to-use assembly.

Q: Is this suitable for explosion-proof applications?

A: Yes. The CA version housing is CSA certified explosion-proof for Class I, II, III hazardous locations. See datasheet for full approval details.

Q: What is probe penetration length?

A: The distance from housing mounting surface to probe tip. This model has 6.5 inches penetration. For lengths over 12 inches, additional sleeve support is required.

Download

Access Detailed Product Specifications PDF