Bently Nevada 3300 NSv Proximity Probe – precision sensor

Complete suffix information – 330908-00-30-10-01-05

• Model base: 330908 = 3300 NSv Proximity Probe, 3/8‑24 UNF thread, without armor
• Unthreaded length option (-00): 0 inch (flush mounting)
• Overall case length option (-30): 3.0 inches
• Total length option (10): 1.0 meter (39 inches) cable
• Connector & cable type (01): Miniature coaxial ClickLoc™ connector with connector protector, standard cable
• Agency approval option (-05): Multiple approvals (ATEX, IECEx, etc.)

Technical specifications (brand: Bently Nevada, model: 330908-00-30-10-01-05)

• Manufacturer / brand: Bently Nevada
• Model / suffix: 330908-00-30-10-01-05 (NSv Proximity Probe with 1.0 m cable)
• Measurement range: 1.5 mm (60 mils) linear range, from 0.25 mm to 1.75 mm target gap
• Incremental scale factor (ISF): 7.87 V/mm (200 mV/mil) ±12.5%/-20% over full range
• Deviation from straight line (DSL): less than ±0.06 mm (±2.3 mils)
• Frequency response: 0 – 10 kHz, +0 / -3 dB (with up to 305 m field wiring)
• Resolution: infinite (analog output, limited by system noise)
• Probe DC resistance (1.0 m probe): center conductor to outer = 4.2 ±0.5 Ω
• Extension cable data (per meter): center conductor 0.220 Ω, shield 0.066 Ω, capacitance 69.9 pF
• Target size (flat): minimum 8.9 mm dia., recommended ≥13 mm dia.
• Temperature range (probe only): operating / storage –52°C to +177°C (–62°F to +351°F)
• Environment & chemical resistance: PPS tip, FEP insulated cable, Viton O‑ring seals, increased chemical resistance for process compressors
• Probe case material: AISI 304 stainless steel; tip material: polyphenylene sulfide (PPS)

Frequently asked questions (FAQ)

• Can I use this 3300 NSv Proximity Probe with existing 3300 RAM extension cables? Yes, the NSv Proximity Probe is mechanically and electrically compatible with previous 3300 RAM cables – it is a drop‑in replacement.
• What is the maximum operating temperature for this probe? The probe itself withstands –52°C to +177°C; the Viton O‑ring ensures pressure sealing up to that range.
• Does the 1.0 m total length include the connector? Yes, total length option “10” means 1.0 meter from tip to the end of ClickLoc connector.
• Is this probe certified for hazardous areas? Suffix “-05” indicates multiple approvals (ATEX, IECEx, CSA) – suitable for EPL Ga/Gc and Dc applications (see temperature schedule in datasheet).
• What torque should I apply when mounting the probe? Only finger‑tight plus max 0.56 N•m on the case; connector torque 7.5 N•m recommended. Never over‑torque.
• Can I use this for axial position measurement on small shafts? For shaft diameters below 13 mm the scale factor may change. Reducing the initial gap helps; consult Figure 12 of the manual.

• Author: Ubest Automation

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