Bently Nevada Maximum Reach Probe Housing Assembly

Introducing the 21000-16-10-15-256-03-02 with exceptional 25.6-inch penetration capability. This professional housing assembly delivers maximum reach for challenging industrial applications. The 21000-16-10-15-256-03-02 combines extreme extension with hazardous area safety certification. Perfect for deep machinery monitoring where standard probes cannot reach.

Maximum Extension Specifications

• Probe Penetration: 25.6 inches extreme reach
• Standoff Adapter: 1.5 inches (38 mm) included
• Total System Length: 32.9 inches maximum extension
• Visible Probe Section: 17.0 inches with identification
• Probe Type: 3300 XL 8mm industrial sensor
• Cable Length: 1.0 meter standard configuration

Critical Installation Requirements

• Mandatory Sleeve Support: Required for penetration over 12 inches
• Resonance Prevention: Essential for stable operation
• Penetration Adjustment: 13 mm (±0.5 inch) range available
• Counter Boring: Recommended for 1.0-2.0 inch applications
• Mounting Thread: 3/4-14 NPT industry standard
• System Weight: 1.1 kg without additional fittings

Construction & Durability

• Housing Material: Aluminum rugged construction
• Sleeve Material: 304 stainless steel corrosion-resistant
• Sealing System: Multiple O-rings for protection
• Cover Design: Screw-in dome for maintenance access
• Thread Protection: Quality seal included
• Identification: Flag labels for probe serial numbers

Complete Fittings Package

• 3/4-14 NPT plug for port sealing
• 3/4-14 to 1/2-14 NPT reducer
• Universal cable seal grip system
• Three size grommets for cable management
• 1/8 to 3/16 inch cable accommodation
• 1/4 to 5/16 inch cable compatibility
• 5/16 to 3/8 inch cable support

Hazardous Area Certifications

• CSA Certified: Explosion-proof construction
• Class 1 Division 1: Groups C and D environments
• Class 2 Division 1: Groups E, F, G applications
• Type 4 Enclosure: Complete environmental protection
• T5 Rating: -50°C to +40°C operation
• T4 Rating: -50°C to +80°C capability

Industry Compliance

• API 670 Standard: Fully compliant design
• RoHS Directive: 2011/65/EU environmental
• FCC Part 15: Electromagnetic compliance
• Non-incendive: When installed per drawing 140979
• Class III: Additional hazardous area rating

Model Configuration Breakdown

• 21000 - Base Housing Assembly
• 16 - 3300 XL 8mm Probe
• 10 - 1.0 Meter Cable
• 15 - 1.5 Inch Standoff
• 256 - 25.6 Inch Penetration
• 03 - Complete Fittings Package
• 02 - 3/4-14 NPT Mounting

Service & Support

• 12-month comprehensive warranty
• FedEx Express worldwide delivery
• UPS Global shipping service
• DHL International options available
• Fast order processing
• Complete tracking provided

Technical Expertise

What special installation requirements apply?

Sleeve support becomes mandatory for this 25.6-inch penetration to prevent resonance issues.

How does extreme penetration affect performance?

Proper sleeve support maintains signal integrity and prevents mechanical resonance in deep applications.

What industries use maximum penetration housings?

Large machinery, deep well applications, and specialized industrial equipment benefit from this extended reach.

Can I adjust the penetration depth?

Yes, the system allows 13 mm adjustment range for fine-tuning the installation depth.

What maintenance is critical for deep penetration?

Regular inspection of sleeve support and probe alignment ensures long-term reliability in extreme extension applications.

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