Description
Complete Industrial Vibration Monitoring System
The PROXPAC XL Proximity Transducer is a ready-to-install sensor package. It includes a robust housing and a high-performance 3300 XL 8 mm probe. This system is designed for reliable vibration and position measurement on critical machinery like turbines and compressors.
System Configuration & Part Number Breakdown
- Complete Transducer Kit: 330881-16-04-138-03-02
- Series: 330881 – PROXPAC XL Transducer System
- ▸ Probe: 16 – 3300 XL 8 mm (Standard)
- ▸ Adapter: 04 – 40 mm Standoff (B Dimension)
- ▸ Penetration: 138 – 138 mm (C Dimension)
- ▸ Fittings: 03 – One M20 Fitting, Two Plugs
- ▸ Mount: 02 – 3/4-14 NPT Thread
- Manufacturer: Bently Nevada
- Country of Origin: Made in U.S.A.
- Product Condition: New & Original, Factory Packaging
- Quality Assurance: Backed by 12-Month Factory Warranty
Technical Specifications
- Measurement Performance
- Linear Range: 2.0 mm (80 mils)
- Recommended Gap: 1.27 mm (50 mils)
- Sensitivity (ISF): 7.87 V/mm (200 mV/mil) ±5%
- Linearity (DSL): Better than ±0.025 mm (±1 mil)
- Frequency Response: 0 to 10 kHz
- Min Target Size: 15.2 mm diameter
- Min Shaft Diameter: 50.8 mm (2.0 in)
- Electrical Data
- Power Supply: -17.5 to -26 VDC
- Current Draw: 12 mA maximum
- Output Resistance: 50 Ω
- Cable: 1-meter, 75 Ω Triaxial, FEP Insulated
- Field Wiring: Up to 305 meters with shielded cable
- Mechanical & Environmental
- Housing Rating: IP66 (BASEEFA Certified)
- Housing Material: UV-resistant Conductive PPS Plastic
- Probe Material: PPS Tip, AISI 304 Stainless Steel Case
- Operating Temperature: -51°C to +177°C (Probe)
- Seal Warning: Avoid below -34°C to prevent seal damage.
- Impact Strength: Withstands 4J impacts at extreme temperatures.
- Weight: Approximately 1.44 kg
- Included Components
- PROXPAC XL PPS Housing with grounding liner
- Pre-installed 3300 XL 8 mm proximity probe
- 40 mm stainless steel standoff adapter
- Stainless steel sleeve and retaining chain
- One M20 fitting and two plugs
- Vibration isolation mounts (Cellular Silicone)
FAQs for Engineers
What is the main advantage of the PROXPAC XL system?
It saves time. The probe is pre-mounted and aligned in a certified IP66 housing. You get a complete, ready-to-bolt-on transducer kit.
What does the “40 mm standoff adapter” do?
It spaces the housing away from the mounting surface. This creates room for cable bending and helps with heat dissipation on hot machines.
Can I use this on a small shaft?
The system requires a minimum shaft diameter of 50.8 mm (2 inches). For smaller shafts, scale factor errors may occur.
Why is there a low-temperature warning for the seal?
The probe’s internal Viton O-ring can become brittle below -34°C. This may cause the pressure seal to fail. Keep it within the rated range.
How do I select the right PROXPAC part number?
First, confirm your required probe penetration depth (C Dimension). Then, check if you need a standoff (B Dimension). Finally, select the fitting kit for your conduit. Need help decoding? Chat with us on WhatsApp (+86 158 8020 0923).
Ordering & Global Shipping
- Your order includes one complete 330881-16-04-138-03-02 transducer kit.
- All parts are genuine Bently Nevada, new in factory sealed boxes.
- We ship internationally using reliable carriers: FedEx, UPS, and DHL.
- Your purchase is protected by a full 12-month manufacturer warranty.
- For technical specs or delivery questions, contact our support team.
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