Introduction
The Bently Nevada 330190-040-01-00 is a 3300 XL Extended Temperature Range (ETR) Extension Cable configured for demanding proximity monitoring installations where the cable route requires additional mechanical protection. It combines a 4.0 m nominal cable length with an armored construction and the standard agency-approval configuration.
The 330190 family is intended for use with compatible 3300 XL ETR proximity probes and the standard 3300 XL Proximitor Sensor. The ETR cable uses PFA-insulated 75 Ω triaxial cable, providing the thermal performance required for installations where cable temperatures can exceed the normal operating range of standard extension cables. The ETR extension cable is rated for temperatures up to approximately 260°C (500°F).
For machinery operating in hot, high-vibration environments, the armored version adds an important layer of mechanical protection without changing the basic 4.0 m electrical configuration. This makes the 330190-040-01-00 a strong replacement choice when both extended-temperature performance and cable protection are priorities.
Technical Specifications
The part number follows the 330190 ETR extension-cable ordering structure. In 330190-040-01-00, 040 identifies the 4.0 m cable length, 01 specifies the armored cable option, and the final 00 indicates that additional agency approval is not required.
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 330190-040-01-00 |
| Product Type | 3300 XL ETR Extension Cable |
| Series | 330190 |
| Cable Length | 4.0 m (13.1 ft) |
| Cable Option | Armored |
| Cable Construction | 75 Ω triaxial |
| Insulation | PFA |
| Armor | PFA/FEP-coated armor |
| Cable Diameter | Approx. 3.7 mm cable; approx. 7.67 mm armored section |
| Armor Ferrule Diameter | Approx. 10.2 mm maximum |
| Connector | Miniature coaxial ClickLoc |
| Connector Diameter | Approx. 7.24 mm maximum |
| Minimum Bend Radius | Approx. 25.4 mm (1.0 in) |
| Cable Length Tolerance | +20%, -0% |
| ETR Temperature Rating | Up to approx. 260°C (500°F) |
| Nominal Cable Weight | Approx. 103 g/m for armored cable |
| Approx. 4.0 m Cable Weight | Approx. 0.41 kg |
| Agency Approval | 00 – Not required |
| Typical Function | ETR probe-to-Proximitor connection |
Applications
Steam Turbine Monitoring
The 330190-040-01-00 is well suited to steam-turbine installations where proximity probes operate near elevated-temperature components and the cable route also requires enhanced mechanical protection.
Gas Turbine Systems
Gas turbines can expose instrumentation cables to heat, vibration, and demanding mechanical conditions. The ETR armored configuration provides a robust connection option for appropriately engineered turbine-monitoring systems.
Compressor Protection
Critical compressors can use proximity transducers to monitor shaft vibration and position. A 4.0 m extension provides useful installation flexibility when the Proximitor Sensor is positioned away from the sensing point.
Generator Monitoring
The cable can be integrated into generator shaft-monitoring systems where the sensing location and signal-conditioning electronics are separated by several meters.
Fluid-Film Bearing Machinery
The 3300 XL 8 mm proximity system is designed for direct shaft measurement, making it particularly useful on machines using fluid-film bearings. The extension cable connects the probe to the Proximitor Sensor while maintaining the required transducer-system configuration.
High-Temperature Machinery
The main reason to select the 330190 ETR family is its extended-temperature construction. The ETR extension cable is rated to approximately 260°C (500°F), making it appropriate for applications beyond the normal range of standard extension cable.
High-Vibration Installations
The armored cable option is particularly valuable where cable movement, abrasion, impact, or mechanical interference is a concern. The additional armor provides protection that the standard non-armored 330190-040-00-00 does not provide.
Advantages
Extended Temperature Range
The 330190 series is specifically engineered for Extended Temperature Range applications. Its PFA insulation allows the cable to operate in considerably hotter environments than standard extension-cable constructions.
Armored Protection
The 01 configuration provides armored cable construction, making this version a better choice for installations where the cable may be exposed to mechanical stress, vibration, abrasion, or accidental contact.
Practical 4-Meter Reach
The 4.0 m length provides a useful balance between installation reach and cable management. It is long enough for many machinery layouts while avoiding the excess routing associated with longer options.
PFA-Insulated Triaxial Cable
The PFA-insulated triaxial construction is designed specifically for the 3300 XL ETR system and helps maintain appropriate electrical characteristics under elevated-temperature conditions.
Controlled 75 Ω Construction
The 75 Ω cable architecture supports the electrical requirements of the 3300 XL proximity transducer system and helps preserve predictable signal behavior between the probe and Proximitor Sensor.
Stronger Physical Protection
Compared with the standard non-armored 330190-040-00-00, the armored model provides an additional protective layer around the cable. This can be a meaningful advantage in industrial environments where instrumentation wiring is exposed to physical hazards.
ClickLoc Connector System
The 3300 XL platform uses corrosion-resistant, gold-plated ClickLoc connectors. The locking design helps prevent connector loosening during service and eliminates the need for special tools for normal connection and removal.
Replacement-Friendly Part Number
The complete part number clearly identifies the cable length, armor configuration, and approval option. This makes the 330190-040-01-00 particularly convenient when replacing an existing cable with the same configuration.
Suitable for Demanding Machinery
The combination of ETR capability + armored construction + 4.0 m length makes this model a versatile option for critical rotating equipment where both temperature and mechanical protection matter.
Technical FAQs
1. What is the Bently Nevada 330190-040-01-00?
It is a 3300 XL ETR Extension Cable with a nominal 4.0 m length, armored construction, PFA insulation, and the standard agency-approval configuration.
2. What does 330190 represent?
330190 identifies the Bently Nevada 3300 XL Extended Temperature Range Extension Cable family.
3. What does 040 mean?
The 040 portion specifies a nominal cable length of 4.0 m, equivalent to approximately 13.1 ft.
4. What does 01 mean?
The 01 specifies the armored cable option. The corresponding 00 option is the standard non-armored cable.
5. What does the final 00 mean?
The final 00 indicates that additional agency approval is not required. A separate 05 configuration is available for multiple approvals.
6. Is the 330190-040-01-00 suitable for high-temperature applications?
Yes. It belongs to the 3300 XL ETR extension-cable family. The ETR extension cable is specified for temperatures up to approximately 260°C (500°F).
7. What is the difference between 330190-040-01-00 and 330190-040-00-00?
Both models have the same nominal 4.0 m length and belong to the ETR family. The key difference is construction: 330190-040-01-00 is armored, while 330190-040-00-00 is standard non-armored.
8. What is the approximate diameter of the armored cable?
The underlying 75 Ω cable is approximately 3.7 mm maximum outside diameter, while the armored section is approximately 7.67 mm maximum outside diameter. The armor ferrules can reach approximately 10.2 mm maximum diameter.
9. How much does the 4.0 m armored cable weigh?
The published specification lists armored extension cable at approximately 103 g/m. A nominal 4.0 m assembly therefore weighs approximately 0.41 kg. Shipping weight can be higher because of packaging and accessories.
10. How should the 330190-040-01-00 be selected with a probe and Proximitor Sensor?
The extension-cable length and probe length must add up to the total system length for which the Proximitor Sensor is configured. This is an important selection criterion; matching only the connector or cable length does not guarantee a correctly configured transducer system.
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