Description
Product Description
The 3300 XL 11 mm Proximity Probes from Bently Nevada monitor shaft vibration and position. Model 330704-000-060-90-02-CN uses a M14 x 1.5 thread with armor for extra cable protection. It has a 60 mm overall case length and a 9.0 meter total cable length. The probe includes a miniature coaxial ClickLoc connector for secure attachment. This sensor works well in harsh industrial environments like turbines and compressors. Each unit ships new in original factory packing with a 12-month warranty.
Technical Specifications
- Brand: Bently Nevada
- Model: 330704-000-060-90-02-CN
- Series: 3300 XL 11 mm Metric
- Measurement range: 0 to 4.6 mm (0 to 180 mil)
- Frequency response: 0 to 10 kHz
- Sensitivity: 7.87 mV/µm (200 mV/mil)
- Linearity: within ±0.05 mm from 0.5 to 2.5 mm gap
- Resolution: 0.1 µm typical
- Probe tip material: Polyphenylene sulfide (PPS)
- Probe case material: AISI 304 stainless steel (SST)
- Cable type: 75 Ω triaxial, FEP insulated
- Probe DC resistance: 8.5 ± 1.1 ohms (9.0 m cable)
- Operating temperature: -52°C to +177°C (-62°F to +351°F)
- Storage temperature: -52°C to +177°C
- Low temperature caution: Below -34°C may damage pressure seal
- Environmental protection: Rated for EPL Ga, Gc, Dc
- 60 Hz magnetic field immunity (5m system):
- At 0.5 mm gap: 0.001 mV pp/gauss
- At 2.5 mm gap: 0.009 mV pp/gauss
- At 4.6 mm gap: 0.027 mV pp/gauss
Ordering Information Breakdown
- 330704 = 3300 XL 11 mm Probe, M14x1.5 thread, with armor
- 000 = 00 mm unthreaded length
- 060 = 60 mm overall case length
- 90 = 9.0 metres total length (29.5 feet)
- 02 = Miniature coaxial ClickLoc connector, standard cable
- CN = Country specific agency approval
Installation Guide
- Use recommended torque: 21.1 N·m (187 in·lb)
- Maximum torque allowed: 63.3 N·m (560 in·lb)
- Thread engagement length: 21 mm max
- Do not expose probe below -34°C before installation
- Keep armor straight during routing to avoid kinks
Calibration & Maintenance Convenience
- Factory calibrated for gap versus output voltage
- No field calibration needed under normal use
- Clean probe tip gently with a soft cloth
- Inspect armor and connector every 6 months
Compatibility
- Works with Bently Nevada 3300 XL extension cables
- Compatible with 3300 XL proximity system monitors
- Pairs with 8 mm or 5 mm probes in same system
- Accepts standard 75 ohm coaxial extensions
Certifications
- EPL Ga and Gc for gas environments
- EPL Dc for dust environments
- Temperature class T1 to T5 for ambient (probe only)
- Country specific approval: CN
Packaging & Warranty
- Condition: New & original in factory packing
- Warranty: 12 months from Bently Nevada
- Each probe includes connector and full 9m cable with armor
- No extra accessories needed for basic install
Shipping Methods
- FedEx priority available
- UPS express worldwide
- DHL international freight
Typical Applications & Diagnostic Ability
- Radial vibration monitoring on large steam turbines
- Shaft position detection in gas compressors
- Axial thrust measurement in pumps and generators
- Eccentricity and differential expansion monitoring
- Diagnoses bearing wear, rotor unbalance, and misalignment
- Works with 3300 XL monitors for real-time alerts and trends
Frequently Asked Questions (FAQ)
- What makes the armored version different? It has a protective metal covering over the cable. This resists cuts, crush damage, and abrasion.
- Can I use this probe in a high temperature area? Yes. It operates up to 177°C. Check the T class table for your exact ambient temperature.
- Why does the resistance show 8.5 ohms for the 9m probe? That is the center to outer conductor resistance. It confirms cable health over longer length.
- How do I know if my extension cable will work? Use only 75 ohm triaxial cable. Bently Nevada extensions are recommended for best signal.
- What happens if I install the probe below -34°C? The pressure seal may fail early. Always bring probe to room temperature before installation.
- Can I bend the armored cable sharply? No. Sharp bends damage internal wires. Keep bend radius larger than 50 mm.
- Which gap gives the most linear output? Set gap between 0.5 mm and 2.5 mm. This range provides best linearity and low noise.
Selection Guide
- Choose unthreaded length 000 for standard flush mounting
- Pick overall case length 060 for most industrial probes (60 mm)
- Select total cable length based on distance to monitor: 1, 5, or 9 meters
- Use armor (330704) for high abrasion or heavy foot traffic areas
- Use non-armor (330703) for flexible routing in clean cabinets
- Pick ClickLoc connector (02) for easy locking in tight spaces
- Check temperature class against your maximum operating temperature
- Avoid long term operation below -34°C to protect the pressure seal
- For magnetic fields above 300 gauss, use a 5 meter system or shielded cable
Contact Information
For inquiries: +86 158 8020 0923 (WhatsApp)
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