Housing Assemblies | 21000-28-05-45-020-03-02 Proximity Probe

Overview:

The Bently Nevada Model 21000-28-05-45-020-03-02 Proximity Probe Housing Assemblies are designed for use in industrial applications where proximity probes are required for machinery condition monitoring. These housing assemblies feature a durable aluminum body with a stainless steel sleeve, ensuring reliable performance even in hazardous environments. Equipped with CSA-certified explosion-proof ratings, the Model 21000 is ideal for intrinsically safe applications and is fully compliant with API 670 standards for externally mounted proximity probe housings.

Ordering Information:

The 21000 model uses a structured ordering format, allowing customization based on specific needs. The suffix codes represent key configuration options, ensuring the assembly meets precise operational requirements. The ordering format is as follows:

• 21000 – AA-BB-CC-DDD-EE-FF

Where:

• A (Probe with Connector): 28: 3300 XL 8 mm probe with selectable hazardous area approvals.
• B (Probe Cable Length): 05: (0.5 m or 20 in).
• C (Standoff Adapter Length): 45: (4.5 in).
• D (Probe Penetration): -020 (2 in).
• E (Fittings Option): 03: (includes 3/4-14 NPT plug, reducer, and cable seal grip with grommets).
• F (Mounting Thread Option): -02 (3/4-14 NPT).

Technical Specifications:

• Model: Bently Nevada 21000-28-05-45-020-03-02
• Material: Aluminum body with a 304 stainless steel sleeve.
• Dimensions:
  • Probe Cable Length: 0.5 m (20 in)
  • Maximum Probe Penetration: 13.5 in (34.3 cm)
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Hazardous Area Approvals: Available with CSA certification.
• Mounting Options: 3/4-14 NPT mounting thread.
• Probe Type: Reverse mount proximity probe.

Check official datasheet for more detailed information:21000- 24701- and 164818 Proximity Probe Housing Assemblies Datasheet