The 330905-00-09-10-02-00 is ideal for centrifugal air compressors, refrigeration compressors, and process gas compressors with tight installation requirements. It excels in radial vibration and axial position measurements on fluid-film bearing machines, particularly where small shaft diameters (below 51 mm) or limited side-view clearances restrict standard 5 mm and 8 mm transducer systems.

System Compatibility & Alternative Models

• System Compatibility: Fully compatible with Bently Nevada 3300 XL NSv Proximitor Sensors, 3300 NSv extension cables, and multi-channel 3500 series asset protection racks. It provides a direct backward-compatible hardware loop option to replace legacy 3300 RAM proximity setups or older 3000/7000-series 190 transducer links.
• Alternative Model: 330910-00-09-10-02-00
• Key Differences: The 330905-00-09-10-02-00 is designed as an unarmored sensor assembly featuring a lightweight, bare FEP insulation jacket over its triaxial leading cable, making it ideal for routing through separate, clean internal conduits. Conversely, the 330910-00-09-10-02-00 integrates a built-in flexible AISI 302 stainless steel armor sleeve layer directly over the cable to defend circuits against heavy physical crushing, cutting, and external workshop abrasion hazards.

Ordering Information

Installation & Troubleshooting FAQ

Q1: What is the recommended gapping method and voltage alignment profile for this metric NSv probe?
A: For a standard Bently Nevada 3300 XL NSv system calibration loop on AISI 4140 steel, set the initial physical installation gap to exactly 1.0 mm (40 mils). This positioning matches the midpoint of its narrow 1.5 mm (60 mils) linear operating range. Connect a digital multimeter across your Proximitor sensor output and slowly rotate the M10x1 case until the bias voltage registers within the middle of the calibrated linear curve before securing your nuts.

Q2: Why am I getting unstable displacement metrics or a compressed scale factor slope following a fresh rebuild?
A: This symptom indicates a side-view or counterbore interference error with surrounding casing walls. While the narrow electromagnetic beam of the NSv probe tip allows mounting in tight locations, a minimum structural counterbore clearance diameter of 13 mm (0.5 in) must be maintained around the polyphenylene sulfide (PPS) face. If the surrounding bore is too tight, the signal couples into the housing, reducing sensitivity.

Q3: What mechanical thread engagement depth limit should be enforced to prevent structural case damage?
A: For an M10x1 metric thread pattern case, the maximum safe thread engagement depth is strictly limited to 15 mm (0.59 in). This boundary follows the industrial engineering rule of 1.5 times the nominal thread diameter. Forcing the probe further into a deep tapped channel creates excessive thread friction and physical binding, which will deform the case, fracture the internal electronics, and void your factory warranty.、

Accessories