21000-34-05-20-028-04-02 | Bently Nevada Housing

21000 Series Proximity Probe Housing Assemblies – Bently Nevada

• Brand: Bently Nevada – a trusted name in machinery protection.
• Model: 21000 – Proximity Probe Housing Assembly.
• Full part number: 21000-34-05-20-028-04-02 includes all key options.
• Probe option: 34 = 3300 XL 8 mm probe with connector protector.
• Probe cable length: 05 = 0.5 m (20 inches) standard cable.
• Standoff adapter: 20 = 2.0 inches for proper clearance.
• Probe penetration: 028 = 2.8 inches into the housing.
• Fitting option: 04 = one 3/4-14 NPT plug only.
• Mounting thread option: -02 = 3/4-14 NPT (required when standoff is not -00).
• Material: Aluminum body with 304 stainless steel sleeve.
• Weight: 1.1 kg (2.4 lb) typical without fittings.
• Maximum (C)+(D) dimension: 13.5 inches (34.3 cm).
• Probe cable length total: 0.5 m from housing to connector.

Technical Specifications

• Measurement range: Works with 3300 XL 8 mm probes for 2 mm (80 mils) standard range.
• Frequency response: DC to 10 kHz for vibration and position monitoring.
• Sensitivity: 7.87 mV/µm (200 mV/mil) typical with 3300 XL systems.
• Linearity: ±1.0% of full scale over the entire range.
• Resolution: 0.25 µm (0.01 mil) with proper signal conditioning.
• Temperature range: -51°C to +177°C (-60°F to +350°F) for the housing.
• Environmental tolerance: IP66 rated with proper fittings (CSA Type 4 enclosure).
• Immunity: Excellent resistance to RFI and EMI in industrial settings.
• Hazardous area approvals: CSA explosion-proof for classes I, II, III.
• Compliance: Meets API 670 standard for external probe housings.

Frequently Asked Questions (FAQ)

• Q: Is this 21000-34-05-20-028-04-02 brand new?
  A: Yes, we supply only new & original factory-sealed units.
• Q: What is your stock status for 21000 housings?
  A: We have this model in stock and ready for immediate shipment.
• Q: How long does delivery take?
  A: We ship within 5 business days after order confirmation.
• Q: Which carriers do you use?
  A: We use FedEx, UPS, and DHL for fast worldwide delivery.
• Q: Can I return this 21000 assembly?
  A: Yes, we support 30-day returns from the delivery date.
• Q: Is the housing rated for explosion-proof areas?
  A: Yes, with E:00/E:01/E:02/E:04 options, it is CSA explosion-proof.
• Q: Does it work with non-3300 XL probes?
  A: We recommend using only Bently Nevada 3300 XL 8 mm probes.
• Q: What is the maximum total length including probe tip?
  A: The maximum (C)+(D) dimension equals 13.5 inches (34.3 cm).

For any inquiries, contact us via email at sales@nex-auto.com or via WhatsApp at +86 153 9242 9628.

Partner: NexAuto Technology Limited