Description
Long-Reach Armored Sensor for Deep Clearance
The Bently Nevada 330904-00-25-05-02-CN is a specialized 250mm armored proximity probe. With its extra-long M8 case, it solves installation challenges where measurement points are deep within machinery or behind guards. This sensor delivers reliable vibration data from hard-to-reach locations.
Key Advantages of This Long Probe
- Deep Access Design: 250mm armored case reaches through deep mounting bosses or insulation layers.
- Space-Efficient Cable: 0.5-meter attached cable is ideal when the junction box is close to the probe base.
- Enhanced Chemical Defense: Improved resistance over older RAM probes for harsh process environments.
- Direct Replacement: Fully interchangeable with legacy 3300 RAM probe systems for easy upgrades.
- Local Compliance Ready: “CN” suffix supports configurations for specific regional certification needs.
Part Number Configuration Details
Every feature of model 330904-00-25-05-02-CN is detailed here:
- Product Root (330904): 3300 NSv Proximity Probes, M8x1 Thread, With Armor
- ▸ -00: Unthreaded Length = 0 mm (Fully Threaded)
- ▸ -25: Overall Case Length = 250 mm
- ▸ -05: Cable Length = 0.5 Meter (20 in)
- ▸ -02: Connector = ClickLoc Coaxial
- ▸ -CN: Approval = Country Specific
Complete Technical Data
- Product Line: Bently Nevada 3300 NSv Series
- Exact Model: 330904-00-25-05-02-CN
- Electrical Specifications:
- Probe Resistance: 4.0 Ω ± 0.5 Ω
- Linear Range: 1.5 mm (60 mils)
- Recommended Gap: 1.0 mm (40 mils)
- Frequency Response: 0 to 10 kHz
- Sensitivity: 7.87 V/mm (200 mV/mil)
- Mechanical Specifications:
- Thread: M8 x 1.0 Metric
- Case Length: 250 mm (Armored)
- Max Thread Engagement: 12 mm
- Installation Torque: 5.1 N•m Recommended
- Materials: AISI 304 SST Case, PPS Tip
- Environmental Specifications:
- Operating Temperature: -52°C to +177°C
- Pressure Seal: Viton O-ring
- Minimum Bend Radius: 25.4 mm
Ideal Installation Scenarios
- Machinery with deep bearing housings or thick external casings.
- Applications where the probe must pass through insulation or a protective sleeve.
- Retrofits replacing older long-body 3300 RAM probes.
- Systems requiring a robust sensor with potential for local market certifications.
Purchase & Support Information
- Condition: 100% New, Original Factory Packaging.
- Quality Assurance: Backed by a full 12-month manufacturer’s warranty.
- Global Logistics: We ship reliably via FedEx, UPS, and DHL.
- Technical Assistance: Contact our experts: +86 158 8020 0923 on WhatsApp.
Professional FAQ
Design & Application
- When should I choose this 250mm long probe over a standard one?
- Select the 330904-00-25-05-02-CN when there is a long distance from the mounting surface to the measurement point (the shaft). This is common in gearboxes or pumps with deep bearing housings.
- Does the long case affect the probe’s performance or sensitivity?
- No. The electrical performance (sensitivity, range) is identical to shorter 3300 NSv Proximity Probes. Only the mechanical length differs.
Installation & Handling
- How do I handle and install such a long probe without damaging it?
- Support the probe body during installation. Avoid using it as a lever. Ensure the mounting hole is straight and deep enough. Tighten only the recommended 5.1 N•m torque on the hex flats.
- What does “finger tight” torque for the cable mean?
- For the cable’s ClickLoc connector, hand-tighten until snug. Do not use tools. The “finger tight” specification prevents overtightening and damage to the connector.
Certification & Ordering
- What should I specify when ordering for “Country Specific” approval?
- You must tell us the exact certification standard required for your project location (e.g., a specific national standard). We will configure the 330904-00-25-05-02-CN accordingly.
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