21000-34-10-00-028-04-02 Bently Nevada 21000 Housing No Standoff

Bently Nevada 21000 Proximity Probe Housing Assemblies – Rugged Machine Monitoring

• Brand: Bently Nevada – a leader in vibration monitoring systems.
• Model Number: 21000-34-10-00-028-04-02 (Proximity Probe Housing Assembly).
• Probe Option: 34 = 3300 XL 8 mm probe with connector protector – selectable hazardous area approvals.
• Cable Length: 10 = 1.0 m (39 inches) integrated cable for easy routing.
• Standoff Adapter: 00 = No standoff adapter – direct mounting configuration.
• Probe Penetration: 028 = 2.8 inches penetration depth for tight spaces.
• Fitting Option: 04 = One 3/4-14 NPT plug only – explosion-proof fittings available separately.
• Mounting Thread Option: -02 = 3/4-14 NPT (required when standoff adapter is not -00).

Technical Specifications

• Housing Material: Aluminum body with 304 stainless steel sleeve – resists corrosion well.
• Probe Type: 3300 XL 8 mm reverse mount proximity probe (factory included).
• Maximum (C + D) Dimension with visible probe P/N and S/N: 17.0 inches (43.18 cm).
• Maximum (C + D) Total Dimension: 32.9 inches (83.5 cm).
• Typical Weight: 1.1 kg (2.4 lb) without any fittings.
• Temperature Range: Suitable for hazardous area environments – CSA Type 4 enclosure rated.
• Measurement Range: Compatible with 3300 XL 8 mm probe specifications (standard linear range).
• Sensitivity: 7.87 mV/µm (200 mV/mil) typical for 3300 XL 8 mm probes.
• Linearity: Within ±0.3% of full scale for the 3300 XL probe family.
• Resolution: High resolution for precise shaft position monitoring.
• Environmental Tolerance: Fully compliant with API 670 Standard for externally mounted housings.
• Approvals: CSA explosion-proof for hazardous areas (CA versions with E:00, E:01, E:02, or E:04).
• Intrinsically Safe: Available for aluminum (21000) and stainless steel (24701) housings.
• Noise Immunity: Robust shielded design minimizes electrical interference effectively.

Frequently Asked Questions (FAQ)

• Is this 21000 assembly new and original? Yes, every unit is brand new in original factory packing. We never sell used or refurbished parts.
• What is the probe cable length? The cable length is 1.0 meter (39 inches) with a connector protector – suffix code 10.
• Does this housing have a standoff adapter? No, this specific model uses option 00 for no standoff adapter. Direct mounting works perfectly.
• What is the probe penetration depth? The penetration depth is 2.8 inches (suffix 028).
• Does this housing support explosion-proof ratings? Yes, but only CA versions with E:00, E:01, E:02, or E:04 options are CSA rated explosion-proof.
• What mounting thread does it use? It uses a 3/4-14 NPT mounting thread (option -02).
• How long does shipping take? We dispatch within 5 days. FedEx, UPS, or DHL delivery times vary by destination.
• Can I return this product? Absolutely. You have 30 days from receipt to initiate a return.
• Is this housing API 670 compliant? Yes, the 21000 series fully complies with API 670 Standard for external proximity probe housings.
• Do you have stock for 21000-34-10-00-028-04-02? Yes, we have this exact model in stock right now.
• What is the typical weight? The housing weighs 1.1 kg (2.4 lb) without fittings.

For any inquiries, contact us: sales@nex-auto.com or +86 153 9242 9628 (WhatsApp). Partner: NexAuto Technology Limited.