Description
High-Temp Extension Cable for Precision Monitoring
This is the Bently Nevada 330190 3300 XL ETR extension cable. It connects probes to monitors in tough conditions. The Extended Temperature Range (ETR) design handles extreme heat. It ensures your vibration data stays accurate and reliable. Use it to protect your critical machines from unexpected failure.
Product Configuration: Model 330190-080-00-00
- Base Product: 330190 (3300 XL ETR Extension Cable)
- Selected Options:
- 080 – Cable Length: 8.0 meters (26.2 feet).
- 00 – Cable Type: Standard triaxial cable.
- 00 – Agency Approval: Not required for this order.
Detailed Technical Specifications
- Electrical Performance
- Core Conductor Resistance (RCORE): 1.76 Ω ± 0.26 Ω.
- Outer Shield Resistance (RJACKET): 0.53 Ω ± 0.11 Ω.
- Cable Capacitance (Typical): 69.9 pF per meter.
- System Linear Range: 2.0 mm (80 mils).
- Recommended Gap Voltage (Radial): -9 Vdc (~1.27 mm / 50 mils).
- Field Wiring Max Length: 305 meters (1000 feet).
- Physical Construction
- Cable Insulation: Fluoroethylene Propylene (FEP).
- ETR Cable Insulation: Perfluoroalkoxy (PFA) for higher heat.
- Connector Material: Gold-plated brass or beryllium copper.
- Minimum Bend Radius: 25.4 mm (1.0 inch).
- Max Connector Torque: 0.565 N·m (5 in·lbf).
- Cable Weight (Standard): Approximately 34 grams per meter.
- Environmental & Compliance
- Standard Cable Temp Range: -52°C to +177°C (-62°F to +350°F).
- ETR Cable Temp Range: -52°C to +260°C (-62°F to +500°F).
- Key Certifications: Complies with FCC, EMC (EU), RoHS, and Maritime rules.
- Functional Safety Capability: Suitable for SIL 2 and SIL 3 systems.
- Electromagnetic Immunity: Rated for industrial environments.
Installation & System Fit
- Plugs directly into Bently Nevada 3300 XL proximity probes and monitors.
- Also works with non-XL 3300 5mm and 8mm system components.
- Follow the minimum bend radius rule during routing to avoid damage.
- Use recommended shielded triad cable for the best signal over long distances.
- Check all connections are tight before starting the machine.
Support & Shipping Details
- This product comes with a full 12-month warranty.
- We ship worldwide using reliable carriers: FedEx, UPS, and DHL.
- Typical delivery is fast and trackable.
Expert Questions & Answers
- What is the main difference between standard and ETR cable material?
- The ETR version uses PFA insulation. PFA can handle much higher continuous temperatures than standard FEP, up to 260°C.
- Can I use this 8-meter cable in a system originally set up for 5 meters?
- Yes, but you may need to adjust the system’s calibration. The total cable length affects the electrical values seen by the monitor.
- Why is the bend radius specification so important?
- Bending the cable too sharply can pinch the inner conductors. This changes the electrical properties and can cause faulty readings.
- We have electrical noise problems. Will this cable help?
- Its triple-layer shielded (triaxial) design is excellent at blocking noise. For best results, ensure the shield is properly grounded at only one end.
- Is the 330190 model ready for safety-critical systems?
- Yes. Its design supports Safety Integrity Level (SIL) 2 and SIL 3 applications when used with approved sensors and monitors in a full safety loop.
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