Product Overview
The 3300 XL 11 mm Proximity Probes series includes this reverse mount model. It fits where standard probes cannot go. Use 330706-005-046-50-00-05 for vibration and position sensing. This probe works with a 5 meter Proximitor Sensor only. Made in U.S.A.
What Makes This Probe Special
- Reverse mount design saves installation space
- M10 x 1 thread for smaller mounting holes
- Multiple approvals (option 05) for safety
- Wide temperature range -52°C to +177°C
- Light weight only 0.07 kg
Model Number Decoder
- 330706-005-046-50-00-05
- 330706 = 3300 XL 11 mm reverse mount probe, M10 x 1 thread
- 005 = Unthreaded length option
- 046 = Overall case length option
- 50 = Total length 5.0 meters (16.4 feet)
- 00 = Miniature ClickLoc coaxial connector
- 05 = Multiple agency approvals
Technical Data
- Brand: Bently Nevada
- Model: 330706-005-046-50-00-05
- Type: 3300 XL 11 mm reverse mount probe
- Thread size: M10 x 1
- Total probe length: 5.0 meters
- Connector type: Miniature ClickLoc coaxial
- Agency approval: Multiple (option 05)
- Probe tip material: Polyphenylene sulfide (PPS)
- Probe case material: AISI 304 stainless steel (SST)
- Cable type: 75 Ω triaxial, FEP insulated
- Cable lengths available: 1, 5, or 9 meters
- DC resistance (5m): 7.2 ± 0.8 ohms
- Max connector torque: 0.565 N•m (5 in•lb) – finger tight only
- Minimum bend radius: 25.4 mm (1.0 in)
- Operating & storage temp: -52°C to +177°C
- Pressure seal limit: Avoid temps below -34°C to protect seal
- Max case torque: 22.6 N•m (200 in•lb)
- Recommended case torque: 7.5 N•m (66 in•lb)
- Weight: 0.07 kg
Installation Steps
- Use recommended torque 7.5 N•m for the probe case.
- Never exceed 22.6 N•m maximum torque.
- Tighten connector finger tight only.
- Keep cable bend radius at least 25.4 mm.
- Match this probe with a 5 meter Proximitor Sensor.
- Do not use below -34°C to keep pressure seal working.
Maintenance Tips
- Check DC resistance from center to outer conductor.
- Normal reading for 5m probe is 7.2 ± 0.8 ohms.
- Use Bently Nevada Proximitor for quick setup.
- Clean the probe tip with a soft cloth only.
- Look for cuts or sharp bends in the cable.
What Works With This Probe
- Use only with 5 meter Proximitor Sensor.
- Fits Bently Nevada monitoring systems.
- Use 3300 XL extension cables of same length.
- Connector type is Miniature ClickLoc coaxial.
Certifications
- Multiple Approvals (option 05)
- Safe for many industrial sites
- Check local rules before installation
In The Box
- 1 x 3300 XL 11 mm reverse mount probe (5m length)
- 1 x Miniature ClickLoc coaxial connector
- Installation guide (request if needed)
Warranty & Shipping
- 12 months warranty from delivery date.
- Covers factory defects only.
- Does not cover misuse or wrong installation.
- We ship by FedEx, UPS, or DHL.
- Tracking number sent after shipping.
Where To Use This Probe
- Steam and gas turbines
- Compressors
- Pumps
- Fans and blowers
- Tight spaces where standard probes do not fit
What It Can Detect
- Shaft vibration amplitude
- Static shaft position (gap voltage)
- Unbalance, misalignment, and rubs
- Works with Bently Nevada diagnostic tools
Professional FAQ
- What is a reverse mount probe?
- It mounts from the opposite side. This saves space in tight machinery.
- Why is the torque lower than standard probes?
- Reverse mount design uses smaller M10 threads. Lower torque prevents damage.
- Experience: We saw unstable readings after installation.
- Check the cable bend radius. Keep it above 25.4 mm. Tight bends cause signal noise.
- Experience: The O-ring seal failed in cold weather.
- Do not use below -34°C. The Viton O-ring may crack. Warm the area first.
- Buying guide: Reverse mount or standard probe?
- Pick reverse mount (330706) for tight spaces with M10 holes. Pick standard for larger M14 or M16 holes.
- Buying guide: Do I need multiple approvals (option 05)?
- Yes for hazardous areas. No for general factories. Check your local safety rules.
- Buying guide: What cable length is best?
- 5 meters matches the 5m Proximitor. Do not mix lengths. Use 1m or 9m only if your Proximitor matches.
- Does the probe come pressure tested?
- No. Contact Bently Nevada custom design if you need a pressure seal test.
For questions or orders, contact us: +86 158 8020 0923 (WhatsApp)
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