Product Overview
When machinery vibration threatens uptime, the Bently Nevada 330101-20-35-10-02-CN delivers precise, reliable monitoring. This 3300 XL 8 mm probe, featuring a 3/8-24 UNF thread and no armor, provides the ruggedness and accuracy required for critical rotating equipment. With a 1.0 meter total length and a miniature coaxial ClickLoc connector, this probe integrates seamlessly into existing 3300 XL systems.
The 330101-20-35-10-02-CN uses patented TipLoc and CableLoc designs to ensure a robust bond and 330 N (75 lbf) pull strength, reducing the risk of probe failure. The thicker PPS encapsulation in the 8 mm tip offers superior protection against physical abuse, making it ideal for harsh industrial environments.
Key Features & Benefits
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Patented TipLoc molding provides a secure bond between probe tip and body.
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CableLoc design delivers 330 N (75 lbf) pull strength for reliable cable attachment.
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8 mm probe body offers enhanced ruggedness and robustness.
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Linear range of 2 mm (80 mils) with recommended gap setting of -9 Vdc.
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Wide operating temperature range from -52°C to +177°C (standard probe).
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Stainless steel case (AISI 303 or 304) ensures durability in demanding conditions.
Technical Specifications
| Parameter |
Value |
| Unthreaded Length Option |
2.0 in (option 20) |
| Overall Case Length Option |
3.5 in (option 35) |
| Total Length Option |
1.0 meter (3.3 feet) (option 10) |
| Connector & Cable Type |
Miniature coaxial ClickLoc connector, standard cable (option 02) |
| Nominal Probe DC Resistance (RPROBE) |
7.59 ± 0.50 Ω (for 1.0 m probe) |
| Extension Cable Capacitance |
69.9 pF/m (21.3 pF/ft) typical |
| Field Wiring |
0.2 to 1.5 mm² (16 to 24 AWG), recommended 3-conductor shielded triad, max length 305 m (1000 ft) |
| Linear Range |
2 mm (80 mils), from 0.25 to 2.3 mm (10 to 90 mils) |
| Recommended Gap Setting (Radial Vibration) |
-9 Vdc [approximately 1.27 mm (50 mils)] |
| Incremental Scale Factor (ISF) – Standard 5 or 1 meter system |
7.87 V/mm (200 mV/mil) ± 5% (0°C to +45°C) |
| Incremental Scale Factor (ISF) – Standard 9 meter system |
7.87 V/mm (200 mV/mil) ± 6.5% (0°C to +45°C) |
| Incremental Scale Factor (ISF) – Extended Temperature Range (ETR) |
7.87 V/mm (200 mV/mil) ± 6.5% (0°C to +45°C) |
| Deviation from Best Fit Straight Line (DSL) – Standard 5 or 1 meter |
Less than ±0.025 mm (±1 mil) (0°C to +45°C) |
| Deviation from Best Fit Straight Line (DSL) – Standard 9 meter |
Less than ±0.038 mm (±1.5 mil) (0°C to +45°C) |
| Deviation from Best Fit Straight Line (DSL) – ETR 5 and 9 meter |
Less than ±0.038 mm (±1.5 mil) (0°C to +45°C) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 303 or 304 stainless steel (SST) |
| Probe Weight |
323 g/m (11.4 oz) |
| Standard Probe Temperature Range |
-52°C to +177°C (-62°F to +350°F) |
| Extended Temperature Range Probe |
-52°C to +218°C (-62°F to +425°F) for tip; -51°C to +260°C (-60°F to +500°F) for cable/connector |
| Probe Pressure |
Seals differential pressure; Viton® O-ring; not pressure tested prior to shipment |
| Probe Relative Humidity |
Less than 3% change in ASF when tested at 93% humidity per IEC 68-2-3 for up to 56 days |
Industry Applications
The 330101-20-35-10-02-CN excels in monitoring radial vibration and shaft position in turbomachinery, compressors, pumps, and generators. Its robust 8 mm design withstands mechanical abuse, making it suitable for paper mills, steel plants, and petrochemical facilities. With a linear range of 2 mm and a recommended gap of -9 Vdc, it provides accurate data for predictive maintenance programs.
When replacing older probes, the 330101-20-35-10-02-CN upgrades system reliability with improved cable retention and environmental sealing. Its compatibility with standard 3300 XL extension cables and Proximitor sensors ensures minimal integration effort.
Installation & Setup Guidance
Mount the probe with the 3/8-24 UNF thread, ensuring proper gap adjustment to achieve the recommended -9 Vdc output. Use the ClickLoc connector for secure cable attachment. For field wiring, use 0.2 to 1.5 mm² (16 to 24 AWG) shielded triad cable, keeping the distance to the Proximitor sensor under 305 meters (1000 feet) to avoid signal rolloff. Always verify the probe's DC resistance (typically 7.59 Ω for 1.0 m) before installation to confirm integrity.
Maintenance & Reliability
Regularly inspect the probe tip for damage or contamination, and verify the cable connection integrity. The patented CableLoc design minimizes pull-out failures, reducing unplanned downtime. The stainless steel case and PPS tip resist corrosion and wear. For extended temperature applications, consider the ETR option to handle up to +218°C at the tip. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent pressure seal failure.
Selection Guide & Purchasing Advice
Before ordering, confirm your required total length, thread type, and connector option. This model 330101-20-35-10-02-CN includes the CN (Country Specific Approval) certificate option. Ensure compatibility with your existing 3300 XL system components. For reliable sourcing, PLC Source PRO offers genuine Bently Nevada parts with fast global shipping.