330703‑000‑060‑50‑02‑05 – Bently Nevada 3300 XL 11 mm Proximity Probe (5 m)

Complete ordering information (suffix breakdown)

• Model 330703 – 3300 XL 11 mm probe, M14 x 1.5 thread, without armour
• Unthreaded length option 000 – 00 mm (flush mounting tip)
• Overall case length option 060 – 60.0 mm (shoulder to tip)
• Total length option 50 – 5.0 metres (16.4 ft) – for use only with 5 m Proximitor®
• Connector type 02 – Miniature ClickLoc™ coaxial connector (no additional protector)
• Agency approval 05 – Multiple approvals (CSA, ATEX, IECEx, etc.)

Key technical specifications

• Brand Bently Nevada — Model 330703-000-060-50-02-05 11 mm proximity probe
• DC resistance (5.0 m probe) – 7.2 ±0.8 Ω (centre to outer conductor)
• Tip material – Polyphenylene sulfide (PPS); Case material – AISI 304 stainless steel
• Cable – 75 Ω triaxial, FEP insulated; total length 5.0 m
• 60 Hz magnetic field rejection – output 0.001 mV pp/gauss at 0.5 mm gap, 0.027 at 4.6 mm gap (5 m system)
• Operating & storage temperature – -52°C to +177°C (avoid long term below -34°C to protect pressure seal)
• Temperature classifications (probe only) – T2 (-55°C to +177°C) for EPL Ga/Gc; multiple T ratings for Dc environments
• Maximum thread engagement – 21 mm (M14x1.5 thread)
• Recommended installation torque – 21.1 N•m (187 in•lb) ; max rated 63.3 N•m (560 in•lb)

Performance & environmental tolerance

• Linear measuring range – 2 mm (approx. 0.25 mm to 2.3 mm gap) typical for 11 mm probes
• Sensitivity – 7.87 V/mm (200 mV/mil) nominal for 3300 XL series
• Frequency response – 0 to 10 kHz (dependent on system electronics)
• Resolution – essentially infinite, sub‑micrometre in low‑noise systems
• Environmental tolerance – sealed stainless steel case, resists industrial lubricants and most chemicals
• Anti‑interference – built‑in RFI/EMI protection via triaxial cable and shielded construction

Frequently asked questions

• Why must I use this probe only with a 5 m Proximitor? – The total cable length (probe + extension) must match the Proximitor's compensation circuit. Using a 5 m probe with a 1 m Proximitor will cause inaccurate readings.
• What does “Multiple Approvals” (option 05) include? – It typically includes ATEX, IECEx, CSA, and regional certifications for hazardous area installation.
• Is the connector different from the “01” option? – Yes, option 02 provides the Miniature ClickLoc™ without the additional bolt‑on connector protector.
• Can I install this probe in a high‑temperature zone? – Yes, the T2 rating allows operation up to 177°C probe tip temperature.
• Does the 5.0 m resistance value include the cable? – The given 7.2 ±0.8 Ω is the total DC resistance of the probe itself (including its integral cable).

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