Bently Nevada 24701-34-05-20-018-03-02 is a stainless steel housing with an 8mm probe, protector 2.0-in standoff and 1.8-in penetration

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Product datasheet

Model number	24701-34-05-20-018-03-02
Manufacture	Bently Nevada
System	TSI
Condition	Brand New
Country of Origin	USA
HS Code	8537101190
After-Sales Support	12-months

Product information

The 24701-34-05-20-018-03-02 is a Bently Nevada stainless steel proximity probe housing assembly featuring a 3300 XL 8mm reverse-mount probe with a factory-fitted connector protecto. Fully compliant with API 670 standards, this heavy-duty explosion-proof enclosure incorporates a 2.0-inch standoff adapter, a 1.8-inch sleeve penetration, and a 3/4-14 NPT mounting thread to deliver superior marine corrosion resistance and stable vibration tracking across critical hazardous industrial networks

Technical Data Summary

- Probe Type: Equipped with 3300 XL 8 mm probe with connector protector for enhanced durability.
- Cable Length: Includes 0.5 m probe cable for compact and efficient installation.
- Standoff Adapter: Configured with extended adapter for flexible mounting alignment.
- Probe Penetration: Optimized penetration depth ensures accurate vibration signal acquisition.
- Fittings Option: Supplied with cable seal grip and NPT accessories for secure connections.
- Mounting Thread: Features 3/4-14 NPT thread for reliable and standardized installation.

Features and benefits

Robust Stainless Steel Design: Provides excellent mechanical strength and long-term corrosion resistance in harsh industrial environments.
Explosion-Proof Certification Option: CSA-rated configurations ensure safe operation in hazardous areas such as oil & gas facilities.
API 670 Compliance: Fully meets international standards for externally mounted proximity probe housing systems.
External Probe Access: Enables easy gap adjustment and probe replacement without machine disassembly, reducing maintenance downtime.
Flexible Configuration Options: Supports multiple probe types, cable lengths, and mounting thread variations for diverse applications.
Enhanced Mechanical Stability: Long sleeve support options reduce vibration and ensure stable, accurate measurement performance.

Installation & Troubleshooting FAQ

Q1: How do the standoff adapter and probe penetration options modify this 24701 assembly profile?
A: Suffix choice C:20 provides a 2.0-inch standoff adapter to space the box away from the machine. Suffix choice D:018 sets a 1.8-inch 304 stainless steel sleeve length to position the sensor tip correctly inside the casing.

Q2: What cable routing fittings are included with this specific suffix arrangement?
A: Suffix option E:03 indicates a specialized cable seal grip module configuration. This package includes a set of multi-size grommets designed to securely grab and seal field cables from 1/8 to 3/8 inches in diameter.

Q3: Does a short probe penetration length between 1.0 and 2.0 inches cause signal issues?
A: Yes, short penetrations place the probe tip close to the mounting adapter Field engineers must ensure the machine case is properly counter-bored around the thread to eliminate side-view or rear-view physical metal signal effects.

Q4: The monitor reports a continuous circuit fault after high-pressure washing. Is the interior waterproof?
A: The main housing maintains excellent environmental sealing via built-in Viton O-rings. However, if your external conduit cable grips are unsealed, moisture can travel down the piping directly into the dome and short out the terminal links.

Q5: What is the main purpose of the pre-installed connector protector featured on this model?

A: Suffix option A:34 incorporates a factory-fitted fluorosilicone connector protector sleeve over the internal ClickLoc junction. This component isolates the gold-plated coaxial bridge from oil mist, moisture, and conductive dust inside the box.

Ordering Information

Model Suffix Selection	Field Designation	Technical Feature Field Definition	Component Classification
24701	Base Model Number	Proximity Probe Housing Assembly, Explosion-Proof Stainless Steel Body	Core Mechanical Housing
-34	Option A: Probe Type	3300 XL 8mm probe with connector protector and multiple approvals	Sensor Element Integration
-05	Option B: Cable Length	0.5 meter (20 inches) integrated probe cable length allocation	Internal Cable Scale
-20	Option C: Standoff	2.0 inches (51 mm) standoff adapter length selection	Spacer Adapter Base
-018	Option D: Penetration	1.8 inches (46 mm) sleeve penetration length configuration	Structural Sleeve Component
-03	Option E: Fittings	One cable seal grip with multi-size grommets (1/8 to 3/8 inches)	Cable Port Sealing Kit
-02	Option F: Mount Thread	3/4-14 NPT casing engagement mounting thread layout	Casing Installation Path

Accessories

Part Number	Description
37948-01	Probe Support / Oil Seal Recommended for sleeves longer than 305 mm (12 in)

Individual Probe Sleeve for 21000/24701 Proximity Probe Housings

44382-AAA

A: Measured Probe Sleeve Length

Recommendation

Order in increments of 0.1 in (3 mm)

The individual probe sleeve length does not include the distance from the end of the sleeve to the probe tip or the gap from the probe tip to the target material. If only the part number of the original housing is known, and the sleeve cannot be measured, use the following table to determine the sleeve length:

AAA	Description
Standoff adapter option from original housing (21000, CA21000, 24701, or CA24701 option C) plus Probe penetration option from original housing (21000, CA21000, 24701, or CA24701 option D) and 045	All housing AAA options except NSv and 11mm probes (options other than A:06, A:12, A:26, A:27, A:29, A:30, A:31, A:32, A:35, or A:36)
	Example Original part number 21000-16-10-15-035-03-02 AAA option for replacement sleeve (015 + 035 + 045) = 095
Standoff Adapter Option from original housing (21000, CA21000, 24701, or CA24701 option C) plus Probe penetration option from original housing (21000, CA21000, 24701, or CA24701 option D) and 046	Housing AAA options for 3300 NSv probe options (A:26, A:27, A:31, or A:32
	Example Original part number 24701-31-10-15-090-03-02 AAA option for replacement sleeve (015 + 090+ 046) = 151
Standoff Adapter Option from original housing (21000, CA21000, 24701, or CA24701 option C) plus Probe penetration option from original housing (21000, CA21000, 24701, or CA24701 option D) and 037	Housing AAA options for 3300 XL 11mm probe options (A:29, A:30, A:35, or A:36)
	Example Original part number CA24701 -36-10-40-053- 02-02 AAA option for replacement sleeve (040 + 053+ 037) = 130
Standoff Adapter Option from original housing (21000, CA21000, 24701, or CA24701 option C) plus Probe penetration option from original housing (21000, CA21000, 24701, or CA24701 option D) and 039	Housing AAA options for 7200 Series 11mm probe options (A:06 or A:12)
	Example Original part number CA24701 -12-10-30-113-01 - 02 AAA option for replacement sleeve (030 + 113+ 039) = 182
Minimum Probe Sleeve Length
For all probes except NSv and 11mm probes	5.5 in (140 mm) = 055
3300 XL NSv probe	5.5 in (142 mm) = 056
3300 XL 11mm probe	4.7 in (119 mm) = 047
Maximum Probe Sleeve Length
All 0.5 meter probes except NSv and 11mm probes	18.0 in (457 mm) = 180
3300 XL NSv 0.5 meter probe	18.1 in (460 mm) = 181
7200-series 0.5 meter 11mm probe	15.4 in (391 mm) = 154
All 1.0 meter probes except NSv and 11mm probes	33.7 in (856 mm) = 337
3300 XL NSv 1.0 meter probe	33.8 in (859 mm) = 338
3300 XL 1.0 meter 11mm probe	32.9 in (836 mm) = 329
7200 Series 1.0 meter 11mm probe	33.1 in (841 mm) = 331

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We offer a one-year warranty for any quality issues with our products. If you encounter any defects or malfunctions during this period, please contact us for prompt resolution. Our warranty covers repairs or replacements, ensuring your satisfaction and peace of mind.
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