Bently Nevada 21000-16-10-00-256-01-02 Housing

Bently Nevada 21000-16-10-00-256-01-02 Proximity Probe Housing Assembly

The 21000-16-10-00-256-01-02 belongs to the Bently Nevada 21000 Proximity Probe Housing Assemblies family. This housing protects a reverse mount proximity probe in harsh and hazardous plant environments. Its aluminum body with a 304 stainless steel sleeve meets API 670 requirements for externally mounted probe housings.

Technical Specifications

The 21000-16-10-00-256-01-02 includes a 3300 XL 8 mm probe. Probe cable length is 1.0 m (39 in). No standoff adapter is fitted, so the standoff adapter code is 00. Probe penetration option D measures 25.6 inches. The adjustment range of the penetration option is 13 mm (± 0.5 in).

Key parameters:

• Probe Option: 3300 XL 8 mm probe

• Cable Length: 1.0 m (39 in)

• Probe Penetration: 25.6 in

• Mounting Thread: 3/4-14 NPT

• Fittings: One explosion-proof fitting and one plug

Mechanical and Environmental Parameters

The housing body uses aluminum with a 304 stainless steel sleeve. Mounting thread follows the 3/4-14 NPT standard. The maximum C plus D dimension reaches 32.9 in (83.5 cm). With a visible probe label, the maximum C plus D measures 17.0 in (43.18 cm). Typical weight is 1.1 kg (2.4 lb) without fittings.

Each assembly contains a dome cover, threaded conduit ports, a probe sleeve, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings. The housing carries CSA explosion-proof certification. It is rated for Class I Divisions 1 and 2 Groups C and D, and Class II Divisions 1 and 2 Groups E, F, and G. Enclosure rating is CSA Type 4. The T5 rating applies at -50°C to +40°C, while T4 applies at -50°C to +80°C. The device also complies with FCC Part 15 and RoHS Directive 2011/65/EU.

Installation Guide

Proper installation ensures reliable probe operation. First, select a mounting location that gives a clear view of the target surface. Confirm the machine case can accept the 3/4-14 NPT thread. If the C plus D length exceeds 300 mm (12 in), add sleeve support near the probe to prevent resonance.

For penetration lengths between 1.0 and 2.0 inches, counter bore the machine case to reduce side view or rear view effects. Next, thread the housing into the case and tighten the thread seal. Route the probe cable through the conduit port, then secure the dome cover. Finally, verify the probe gap before connecting the extension cable. Ground the cable shield at one end only to prevent ground loops.

Packaging List

• 1x Bently Nevada 21000-16-10-00-256-01-02 Proximity Probe Housing Assembly

• 1x Factory Original Packaging

FAQ

Q: What is the difference between the 21000-16-10-00-256-01-02 and other 21000 housings?
A: The 21000-16-10-00-256-01-02 uses a 3300 XL 8 mm probe, a 1.0 m cable, and a 25.6 inch penetration. Other configurations offer different probes, cable lengths, or penetration values.

Q: Does this housing include a standoff adapter?
A: No, the standoff adapter code is 00. No standoff adapter is fitted on this configuration.

Q: Can this housing be used in hazardous areas?
A: Yes, the housing carries CSA explosion-proof certification. It suits Class I and Class II hazardous locations when installed per the relevant drawing.

Q: How do I ship this product?
A: We ship worldwide via Fedex, UPS, and DHL.

Q: What material is the housing body made of?
A: The body uses aluminum with a 304 stainless steel sleeve. This combination resists corrosion in most industrial environments.