21000-34-05-30-018-03-02 8mm Probe Housing Bently Nevada

21000-34-05-30-018-03-02 Bently Nevada Proximity Probe Housing Assembly

Technical Specifications

• Brand & Model: Bently Nevada 21000-34-05-30-018-03-02 housing assembly.
• Probe Option: 3300 XL 8 mm probe with connector protector (34). Suitable for intrinsically safe applications.
• Probe Cable Length: 0.5 meters (20 inches) – suffix code 05.
• Standoff Adapter Length: 3.0 inches – suffix code 30.
• Probe Penetration Depth: 1.8 inches – suffix code 018.
• Mounting Thread Option: 3/4-14 NPT – suffix code -02.
• Housing Material: Aluminum body with 304 stainless steel sleeve for excellent interference rejection.
• Environmental Tolerance: CSA Type 4 enclosure, explosion-proof for hazardous areas.
• Temperature Range: Standard industrial grade, suitable for harsh environments.
• Maximum (C) + (D) Dimension: 13.5 inches (34.3 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Frequency Response & Sensitivity: Utilizes 3300 XL probe ensuring high linearity and resolution.

Key Components and Fittings

• The 21000 assembly includes a threaded dome cover, body, and probe sleeve.
• Includes one reverse mount 3300 XL 8 mm probe (34 option).
• Comes with fitting option 03: one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer.
• Provides a cable seal grip with grommets for three cable sizes (1/8 to 3/8 inches).
• Includes O-rings and thread seal for explosion-proof installation.
• Optional standoff adapter (30) allows flexible mounting height adjustment.

Installation Guidelines

• First screw the standoff adapter (30) into the mounting point ensuring thread match (-02 option).
• Screw the 21000-34-05-30-018-03-02 body onto the adapter until snug.
• Use the plug and reducer from fitting option 03 to connect conduit.
• Select the proper grommet for your cable diameter to maintain explosion-proof integrity.
• Adjust probe penetration depth (018) to the target gap, typically using a feeler gauge or voltage reading.
• Tighten the dome cover securely. Follow torque recommendations for all fittings.

Frequently Asked Questions (FAQ)

• Q: Is the probe serial number visible on the 21000-34-05-30-018-03-02?
  A: No, the P/N and S/N are not visible after installation because the probe sits inside the sleeve.
• Q: What is the probe cable length for this model?
  A: Suffix 05 indicates a 0.5 meter cable from probe to connector.
• Q: Does this assembly include all necessary mounting fittings?
  A: Yes, the package contains the plug, reducer, cable grip, and O-rings. You only need to prepare the conduit and cable.
• Q: Is the standoff adapter 30 always used with -02 thread?
  A: Yes, -02 is the 3/4-14 NPT thread option required when the standoff adapter length is not -00.
• Q: Can I use this housing in explosive atmospheres?
  A: Yes, the Bently Nevada 21000 series carries CSA approvals for explosion-proof and intrinsically safe use.
• Q: What shipping methods do you offer?
  A: We ship via FedEx, UPS, or DHL. We dispatch within five days and offer 30-day returns.
• Q: Is this a new original item?
  A: Yes, we supply 100% new and original 21000-34-05-30-018-03-02 in factory packaging with 12-month warranty.

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