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  • 330851-02-000-080-50-00-CN
  • 330851-02-000-080-50-00-CN-1
  • 330851-02-000-080-50-00-CN-2
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330851-02-000-080-50-00-CN

Bently Nevada 330851-02-000-080-50-00-CN 25mm Probe

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  • Manufacturer: Bently Nevada

  • Product No.: 330851-02-000-080-50-00-CN

  • Product Type: Proximity Probe

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 280g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Bently Nevada 330851-02-000-080-50-00-CN 25mm Proximity Probe

Bently Nevada 330851-02-000-080-50-00-CN | 3300 XL 25mm Proximity Probe with M30x2 threading and 80mm stainless steel case. Provides 0.787 V/mm (20 mV/mil) output over a 12.7 mm (500 mils) linear range [citation:2]. Engineered for differential expansion, shaft position, and vibration monitoring on steam turbines, compressors, and large rotating machinery [citation:10]. CN suffix denotes country-specific certifications.

Key Features

12.7 mm (500 mils) linear measurement range. 0.787 V/mm (20 mV/mil) scale factor. M30x2 industrial threading (Option 02). 80mm AISI 304 stainless steel case (Option 080). 5.0m (16.4 ft) FluidLoc cable without armor (Option 50-00). PEEK probe tip material [citation:2]. Recommended installation torque 68 N·m [citation:7]. Operating temperature -35°C to +200°C [citation:8]. Weight approx. 280g (9.9 oz) for 80mm case with 5m cable. Country-specific CN certification.

Technical Specifications

Manufacturer Bently Nevada
Part Number 330851-02-000-080-50-00-CN
Product Type 3300 XL 25mm Proximity Probe
Probe Case Type (Option 02) M30x2 thread
Unthreaded Length (Option 000) 0 mm
Overall Case Length (Option 080) 80 mm
Total Length (Option 50) 5.0 m (16.4 ft)
Armor Option (Option 00) No armor
Agency Approval (Option CN) Country-specific certifications
Linear Range 12.7 mm (500 mils) [citation:2]
Incremental Scale Factor 0.787 V/mm (20 mV/mil) [citation:2]
Output Resistance 50 Ω [citation:2]
Probe DC Resistance 7.5Ω ±0.8Ω at 25°C
Minimum Target Size 61 mm (2.4 in) diameter [citation:2]
Probe Tip Material PEEK (Polyetheretherketone) [citation:2]
Probe Case Material AISI 304 stainless steel (SST) [citation:2]
Cable Type 75Ω triaxial PFA FluidLoc
Recommended Torque 68 N·m (50 ft·lb) [citation:7]
Maximum Torque 163 N·m (120 ft·lb) [citation:7]
Operating Temperature -35°C to +200°C (-31°F to +392°F) [citation:8]
Short-term Temperature +250°C (482°F) max for <24 hours [citation:7]
Relative Humidity 100% condensing (with connector protection) [citation:8]
Weight (80mm case, 5m cable) Approx. 280g (9.9 oz)
Origin Made in U.S.A.

Ordering Code Breakdown

330851-02-000-080-50-00-CN

330851 – 3300 XL 25mm Proximity Probe.
02 – Probe Case Type: M30x2 thread.
000 – Unthreaded Length: 0 mm.
080 – Overall Case Length: 80 mm.
50 – Total Length: 5.0 m (16.4 ft).
00 – Armor Option: No armor.
CN – Country-specific certifications.

Installation Notes

Mount probe using M30x2 threading. Apply recommended torque of 68 N·m (50 ft·lb), not to exceed 163 N·m (120 ft·lb) [citation:7]. Ensure minimum target size of 61 mm (2.4 in) diameter [citation:2]. Maintain operating temperature within -35°C to +200°C range [citation:8]. For differential expansion applications, mount probes on same collar or complementary ramps [citation:10]. Use Proximitor Sensor calibrated to AISI 4140 steel target [citation:4].

Engineering Advantages

12.7 mm linear range provides extensive measurement capability for differential expansion monitoring. PEEK tip and AISI 304 stainless steel construction withstand harsh turbine environments [citation:2]. FluidLoc cable prevents oil leakage through cable interior. M30x2 threading supports heavy industrial mounting. Direct replacement for 7200 25mm and 35mm DE integral systems without monitor recalibration [citation:2]. CN certification enables installation in country-specific hazardous areas [citation:8].

FAQs

Q1: What is the linear measurement range of the 25mm probe?
A1: 12.7 mm (500 mils) from 0.787 V/mm (20 mV/mil) output [citation:2].

Q2: What is the recommended installation torque?
A2: 68 N·m (50 ft·lb) recommended, 163 N·m (120 ft·lb) maximum [citation:7].

Q3: Can this probe replace older 7200 series transducers?
A3: Yes, the 3300 XL 25mm probe directly replaces standard 7200 25mm and 35mm DE integral systems without requiring monitor configuration changes [citation:2].

Product Resources

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🏷️ Tags: 3300 XL 25 mm Proximity Probe Proximity Probe

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