Introduction
The Bently Nevada 330190-045-01-00 is a 3300 XL Extended Temperature Range (ETR) Extension Cable designed for use with Bently Nevada 3300 XL 8 mm proximity transducer systems. This specific configuration provides a 4.5 m (14.8 ft) cable length with an armored construction, making it a practical choice for machinery monitoring installations where the cable route requires additional mechanical protection.
Built around a 75 Ω triaxial cable design with PFA insulation, the 330190 series is intended for demanding monitoring environments where temperature resistance, signal integrity, and dependable mechanical protection are important. The ETR construction is particularly well suited to applications exposed to elevated temperatures while maintaining the electrical characteristics required by the 3300 XL proximity measurement system.
For maintenance teams and system integrators, the 330190-045-01-00 offers a straightforward way to achieve the required probe-to-Proximitor Sensor connection length without compromising the overall configuration of the monitoring system.
Technical Specifications
The 330190-045-01-00 is the 4.5-meter armored configuration within the 3300 XL ETR Extension Cable family. Its specifications are summarized below.
| Specification | 330190-045-01-00 |
|---|
| Manufacturer | Bently Nevada |
| Product Series | 3300 XL |
| Product Type | ETR Extension Cable |
| Model Number | 330190-045-01-00 |
| Cable Length | 4.5 m (14.8 ft) |
| Cable Configuration | Armored |
| Cable Type | 75 Ω Triaxial |
| Insulation Material | PFA |
| Extended Temperature Range | -52°C to +260°C (-62°F to +500°F) |
| Typical Capacitance | 69.9 pF/m (21.3 pF/ft) |
| Center-to-Center Conductor Resistance | 0.99 Ω ± 0.15 Ω |
| Outer Conductor Resistance | 0.30 Ω ± 0.06 Ω |
| Minimum Bend Radius | 25.4 mm (1.0 in) |
| Connector Type | Miniature coaxial connectors |
| Maximum Connector Torque | 0.565 N·m (5 in-lbf) |
| Maximum Cable Diameter | Approx. 7.67 mm (0.302 in) for armored cable |
| Ferrule Diameter | Approx. 10.2 mm (0.40 in) maximum |
| Connector Diameter | Approx. 7.24 mm (0.285 in) maximum |
| Approx. Cable Weight | Approx. 0.46 kg for 4.5 m armored cable, excluding packaging |
| System Compatibility | 3300 XL 8 mm proximity transducer systems |
Applications
The 330190-045-01-00 is primarily used as part of a 3300 XL 8 mm proximity measurement system. It connects the proximity probe to the associated Proximitor Sensor while maintaining the electrical characteristics required by the monitoring circuit.
Typical applications include:
- Steam turbine vibration monitoring
- Gas and steam turbine machinery protection
- Compressor monitoring
- Pump and motor shaft vibration measurement
- Rotating equipment condition monitoring
- Critical machinery displacement measurement
- Industrial machinery protection systems
- High-temperature machinery monitoring installations
The armored construction is especially useful when the cable must pass through areas where abrasion, incidental contact, or mechanical handling could otherwise damage an unprotected cable.
For correct system performance, the extension cable length should be selected together with the probe length so that the combined probe and extension cable length matches the intended Proximitor Sensor system configuration.
Advantages
Extended-temperature construction
The 330190 series uses PFA insulation for its Extended Temperature Range design. This makes the cable appropriate for installations where conventional cable materials may be exposed to significantly higher operating temperatures.
Armored mechanical protection
The -01 cable option provides an armored configuration, adding an additional layer of physical protection for installations where cable routing conditions are demanding.
Designed for 3300 XL systems
Rather than being a generic coaxial cable replacement, the 330190-045-01-00 is configured for the electrical requirements of the 3300 XL proximity transducer system. This makes it a practical choice when maintaining an existing monitoring installation.
4.5-meter installation length
The 4.5 m length provides additional routing flexibility between the proximity probe and Proximitor Sensor, helping accommodate machinery layouts where shorter extension cables would not provide sufficient reach.
Stable signal characteristics
The 75 Ω triaxial construction and defined capacitance and resistance characteristics help maintain the electrical behavior expected by the associated proximity monitoring electronics.
Suitable for demanding machinery environments
Combining PFA insulation with an armored construction gives this cable a useful balance of temperature capability and mechanical protection, which is valuable in turbine, compressor, and other critical rotating-equipment installations.
Technical FAQs
1. What is the Bently Nevada 330190-045-01-00?
The 330190-045-01-00 is a 3300 XL Extended Temperature Range (ETR) Extension Cable with a 4.5 m length and armored cable construction. It is intended for use with compatible 3300 XL 8 mm proximity transducer systems.
2. How long is the 330190-045-01-00 cable?
The specified cable length is 4.5 meters (14.8 feet).
3. Is the 330190-045-01-00 an armored cable?
Yes. The -01 configuration identifies the armored cable option within the 330190 ETR extension cable family.
4. What insulation material does this cable use?
The 330190 ETR design uses PFA insulation, selected for its extended-temperature capability and suitability for demanding industrial environments.
5. What temperature range is associated with the 3300 XL ETR extension cable?
The ETR extension cable is designed for an extended temperature range of approximately -52°C to +260°C (-62°F to +500°F).
6. What type of cable construction is used?
The extension cable uses a 75 Ω triaxial construction with PFA insulation. The armored version adds mechanical protection around the cable assembly.
7. What is the approximate cable diameter?
The armored cable has a maximum outside diameter of approximately 7.67 mm (0.302 in). The ferrule diameter can reach approximately 10.2 mm (0.40 in).
8. What is the minimum bend radius?
The minimum recommended bend radius is approximately 25.4 mm (1.0 inch). Maintaining the specified bend radius helps prevent unnecessary mechanical stress on the cable.
9. How much does the 330190-045-01-00 weigh?
Using the approximate armored-cable mass of 103 g/m, a 4.5 m cable section weighs about 0.46 kg before accounting for packaging and small variations associated with the finished connectors and hardware.
10. Can this cable be selected independently of the proximity probe?
It should be selected as part of the complete 3300 XL proximity measurement configuration. The probe length plus extension cable length needs to correspond to the intended Proximitor Sensor system configuration. Choosing the correct total system length is important for maintaining the expected system characteristics.
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