Bently Nevada 330704-00-050-10-01-05 3300 XL 11 mm Proximity Probe

Description

330704-00-050-10-01-05: 3300 XL 11 mm proximity probe featuring M14 x 1.5 metric threads, integral stainless steel armor, 0 mm unthreaded length, and a 1.0 m total length with multiple agency approvals. This configuration belongs to the 3300 XL 11 mm Proximity Transducer System, which is used for non-contacting vibration and displacement measurements on rotating machines with fluid film bearings. The large 11 mm tip diameter provides a linear range of 4.0 mm, which is ideal for thrust position monitoring, differential expansion tracking, and compressor rod position measurements.

Unlike unarmored metric variants in this series, this 330704 model features flexible AISI 302 stainless steel armor over the triaxial cable to resist mechanical damage and abrasion in demanding industrial applications. The ClickLoc connector is equipped with a pre-installed fluorosilicone connector protector (Option 01) to seal the probe-to-extension cable interface against humidity and fluid ingress. The Option 05 certification package facilitates installation in hazardous areas by meeting global safety standards including CSA, ATEX, and IECEx requirements.

Features

• M14 x 1.5 metric threaded case (Option 330704) with integrated flexible stainless steel armor and protective FEP outer jacket
• 0 mm unthreaded length (Option 00) for flush mounting inside machine housings
• 50 mm overall case length (Option 050) providing thread-in mounting stability
• 1.0 meter (3.3 feet) total probe length (Option 10) matching 1.0 m system calibrations
• Miniature coaxial ClickLoc connector (Option 01) equipped with a factory-installed fluorosilicone connector protector
• Multiple hazardous area approvals (Option 05) covering North American (CSA), European (ATEX), and International (IECEx) certifications
• Gold-plated brass connector contacts preventing loose connections or vibration-induced signal degradation
• TipLoc molding construction forming a secure bond between the polyphenylene sulfide (PPS) tip and the stainless steel body

Applications

• Steam and gas turbine rotor axial position measurement
• Compressor shaft vibration and displacement monitoring
• Ramp differential expansion tracking on rotating machinery
• Rod position and rod drop detection on reciprocating compressors
• Industrial speed and phase reference (Keyphasor) applications

Ordering Information

Technical Specifications

Installation Guidelines

• Minimum bend radius: Maintain a minimum bend radius of 25.4 mm (1.0 inch) for the armored triaxial cable during routing to avoid signal degradation or physical core damage.
• Case torque limits: Tighten the M14 x 1.5 threaded case to the recommended mounting torque of 21.1 N-m (187 in-lb). Do not exceed the maximum rated torque of 63.3 N-m (560 in-lb) to prevent case distortion.
• Connector protection: Confirm the fluorosilicone connector protector is properly seated on the ClickLoc connection to shield the terminals from moisture and oil mist.
• Thread engagement limit: Maintain thread engagement within the 21 mm maximum limit for M14 x 1.5 threads to avoid binding during installation.

Compliance and Certifications

• CSA: Class I, Zone 0, AEx/Ex ia IIC T4/T5 Ga; Class I, Groups A, B, C, D; Class I, Zone 2, AEx/Ex nA/ec IIC T4/T5 Gc; Class I, Division 2, Groups A, B, C, D
• ATEX/IECEx: Ex ia IIC T5...T1 Ga; Ex ia IIIC T90C...T280C Dc; Ex nA/ec IIC T5...T1 Gc
• RoHS: European Community Directive 2011/65/EU and China RoHS (EFUP 15 years)
• CE Mark: Complies with applicable European Community Directives
• SIL Rating: SIL 2 (HFT = 0), SIL 3 (HFT = 1) compatible