Configured for non-contacting shaft displacement and dynamic vibration measurements in machinery protection channels, the Bently Nevada 330701-00-050-10-12-05 (330701 Proximity Probe) provides direct physical/electrical execution. The 11 mm threaded hardware emits high-frequency radio frequency eddy-current fields to track distances relative to a fluid-film bearing shaft surface, converting mechanical deviations into an analog parameter readable by a matching Proximitor sensor module.

Options Breakdown and Reference Coding

• 330701: 3300 XL 11 mm Proximity Probe, M14 x 1.5 threaded case, without armor.

• -00: Unthreaded case length option designating 0.0 mm.

• -050: Threaded case length option designating 50 mm.

• -10: Total system length option designating 1.0 m (3.3 ft).

• -12: Connector and cable option designating miniature coaxial ClickLoc connector with fluid-resistant insulation.

• -05: Agency approval option specifying multiple international hazardous area certifications (ATEX, IECEx, CSA).

Hardware Specifications

Eddy-Current Probe Scaling and Rotor Dynamics Calibration

The structural interaction between the M14 x 1.5 sensing tip and the rotating target relies on stable eddy-current probe scaling configurations. Field loop setup requires precise mechanical positioning to register a gap voltage validation target (-10 VDC targets), corresponding to the geometric center point of the 4.0 mm tracking span. Correct spatial distribution limits measurement distortion during complex rotor dynamics events while ensuring proper cross-talk suppression between radial sensor tracks stationed within the same bearing seat.

Procurement Package Inventory

• One (1) Bently Nevada 330701-00-050-10-12-05 11 mm proximity probe assembly

• One (1) ClickLoc miniature coaxial interface connector insulating sleeve

• Direct factory testing protocol documentation confirming calibration linearity

Field Installation Guidelines

• Thread the M14 x 1.5 probe body into the internal bracket assembly, monitoring physical insertion depth using an external digital voltmeter loop.

• Verify the proximity sensor output registers the standard -10 VDC gap validation coordinate before tightening down the primary locking locks.

• Tighten the primary hex locknut to a maximum torque specification of 22.6 N-m to prevent thread deformation or internal structural failure.

• Maintain a minimum 25 mm clear boundary zone relative to adjacent metallic structures to eliminate side-gap interference from altering factory scale factor metrics.

• Route the integrated 1.0 m coaxial lead line into designated protective conduit networks, landing cable shields solely at the main destination instrumentation rack ground terminal.

Logistics Framework & Cargo Handling

Delivery time: 2-7 days when payment finish, routed through premium international air cargo paths via DHL, FEDEX, or UPS. Passive probe hardware blocks are sealed inside heavy-walled moisture-vapor barrier anti-static industrial packaging boundaries to protect the miniature ClickLoc electrical interfaces from surface contamination. Master shipping boxes feature reinforced double-wall corrugated construction fitted with custom-molded shock-absorbing foam structures to maintain exact factory physical tolerances during international transport loops.

Technical Engineering FAQ

Q: Can this 11 mm proximity probe function reliably when wired straight to a 3300 XL 8 mm Proximitor sensor?

A: No. The 3300 XL 11 mm probe has a wider tip diameter and is calibrated for a 3.94 V/mm (100 mV/mil) scale factor across a 4.0 mm range. Connecting it to an 8 mm Proximitor module invalidates the factory eddy-current probe scaling matrix and yields severe measurement errors.

Q: What output behavior occurs if the field coaxial line encounters an open circuit or physical cut?

A: An open circuit or severed cable drops the loop voltage to a high negative potential approaching the input power rail (approximately -21 VDC). The machinery monitoring system interprets this voltage saturation drop and signals a "Not OK" fault condition.

Q: Can this 1.0 m total length probe be modified in the field to adapt to short conduit layouts?

A: No. Splicing or changing the physical length of the coaxial cable alters total loop capacitance and impedance. Doing so invalidates the factory eddy-current probe scaling matrix, making accurate calibration impossible and causing massive errors during gap voltage validation.