Description
The Bently Nevada 330102-40-70-10-02-00 is a 3300 XL 8mm proximity probe featuring an M10 x 1 metric threaded body. It acts as a non-contact sensor that measures static and dynamic distances between the probe tip and a rotating target shaft. It is standard equipment for monitoring radial vibration, axial thrust position, and keyphasor speed references on critical rotating machinery like turbocompressors, steam turbines, and large industrial pumps.
Option Code Breakdown
- 330102: 3300 XL 8mm Proximity Probe, M10 x 1 Threaded Body without armor
- 40: Unthreaded Length Option (40 millimeters)
- 70: Overall Case Length Option (70 millimeters)
- 10: Total Length Option (1.0 meter / 3.3 feet total integrated cable length)
- 02: Connector Option (Miniature coaxial click-lock connector with connector protector included)
- 00: Agency Approval Option (Standard multi-agency approvals, including ATEX, IECEx, and CSA certifications)
Commercial Supply Status
- Condition: New Original (Factory Sealed)
- Availability: In stock
- Lead Time: Ships within 1–2 business days
- Warranty: 12-month industrial replacement warranty
- Price Policy: The listed price represents an initial distribution benchmark. Because international allocation pools and market supply conditions shift, final pricing is negotiable. Contact our sales department to receive a firm commercial quote.
Technical Parameters
| Parameter | Value |
| Probe Tip Diameter | 8.0 mm (0.315 in) |
| Thread Profile | M10 x 1 |
| Nominal Linear Range | 2.0 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) when paired with 3300 XL Proximitor |
| Target Calibration | AISI 4140 carbon steel |
| Operating Temperature | −51 to +177°C for probe head and cable |
| Connector Type | Gold-plated miniature male coaxial |
Field Deployment Notes & Insights
During retrofits on a multi-stage centrifugal pump casing, installing this M10 metric probe required precise clearance calculations. Well, technically the 3300 XL series offers high stability across temperature swings, but if you twist the 1.0-meter integrated cable while tightening the probe body into its threaded sleeve, you will strain the internal coaxial core. Don’t underestimate the necessity of a dual-wrench approach to tighten the M10 jam nuts without rotating the cable tail.
Pay close attention to the “02” connector option. This option includes a factory connector protector. This design choice is actually clever because it mechanically isolates the click-lock coaxial junction from moisture, oil spray, and accidental grounding against the metal junction box walls. Set your physical air gap using a digital voltmeter hooked to the Proximitor driver output—aiming for roughly −10.0 V DC puts the sensor exactly in the middle of its 80-mil linear sweep. Is the shaft target surface completely smooth? Verify with the official Bently Nevada installation manual (document 141194) because scratches or magnetic chrome plating introduce electrical runout that corrupts the vibration waveform. Bottom line—proper gapping protects your machine and your sensor from catastrophic rub.
International Shipping & Trade Compliance
Cross-border logistics for industrial asset protection loops requires flawless documentation. We classify this proximity probe under HS Code 90319000 for global customs reporting. Our trade coordinators manage daily expedited air freight shipments via premium carriers (DHL, FedEx) to minimize transit delays during planned plant outages.
Because this item carries standard multi-agency explosive atmosphere markings under option “00”, the compliance certificates are matched against physical serial engraving plates at our outbound warehouse. Standard international shipments operate under FCA (Free Carrier) or CIP (Carriage and Insurance Paid to) trade rules.
Frequently Asked Questions
Can I connect this 1.0-meter probe directly to a 3500 rack system?
No. Proximity probes cannot connect directly to monitoring racks. This 1.0-meter probe must connect to a 3300 XL extension cable (typically 4.0 or 8.0 meters) which then routes into a matching 3300 XL Proximitor Sensor driver—though your mileage may vary if you are using specialized direct-connect transmitters.
What is the purpose of the 40mm unthreaded length?
The 40mm unthreaded portion allows the smooth part of the probe body to slide past internal bracket lips or thick housing walls where threads might get stripped or jammed by debris during installation.
