The Bently Nevada 330130-085-01-CN extension cable serves as a critical interconnect component within the 3300 XL 8 mm proximity transducer system. This cable links the 8 mm probe to the Proximitor Sensor, ensuring reliable signal transmission for shaft vibration, thrust position, and eccentricity measurements in turbomachinery.
Manufactured in the U.S.A., this 3300 XL extension cable comes in an 8.5-meter (27.9 feet) length with a rugged armored outer jacket. The armor provides superior mechanical protection against crushing, abrasion, and oil exposure in harsh turbine and compressor environments. Additionally, the 330130-085-01-CN includes the FluidLoc option to prevent fluid leakage through the cable interior.
This model carries CN-specific country approvals, making it suitable for installations requiring local regulatory compliance. Its electrical characteristics, including 69.9 pF/m capacitance and 1.87Ω center conductor resistance, guarantee accurate, drift-free signals over extended distances.
Nominal DC Resistance (RCORE): 1.87 ± 0.28 Ω (center conductor to center conductor)
Nominal DC Resistance (RJACKET): 0.56 ± 0.11 Ω (outer conductor to outer conductor)
Capacitance: 69.9 pF/m (21.3 pF/ft) typical
Supply Voltage Range: -17.5 Vdc to -26 Vdc (with nonincendive circuit per drawing 140979)
Supply Sensitivity: <2 mV change per volt input variation
Output Resistance: 50 Ω
Field Wiring Size: 0.2 to 1.5 mm² (16 to 24 AWG), 3-conductor shielded triad recommended
Cable Length: 8.5 meters (27.9 feet)
Armored Cable Weight: 103 g/m (1.5 oz/ft), total 0.875 kg
Pull Strength: 330 N (75 lbf) – patented CableLoc design
Humidity Resistance: <3% ASF change after 56 days at 93% RH (IEC 68-2-3)
Temperature Range: +18°C to +27°C (+64°F to +80°F) for specified performance
Maximum Altitude: 2,000 meters
Probe Sealing: Viton® O-ring design for differential pressure sealing
This 3300 XL extension cable operates exclusively with 3300 XL 8 mm probes and Proximitor Sensors. The system delivers a linear range of 2 mm (80 mils), starting from 0.25 mm (10 mils) off the target and extending to 2.3 mm (90 mils), corresponding to an output of approximately –1 to –17 Vdc. Performance specifications apply when using an AISI 4140 steel target, a -24 Vdc power supply, and a 10 kΩ load. For applications requiring different target materials, note that system accuracy and interchangeability specifications may vary.
Furthermore, the cable incorporates patented TipLoc and CableLoc molding methods. These innovations significantly improve the bond between the probe tip and body while providing 330 N (75 lbf) pull strength. Such robustness makes the 330130-085-01-CN particularly suitable for high-vibration environments like steam turbines, gas compressors, and large rotating machinery.
Proper installation of the Bently Nevada 330130-085-01-CN requires careful attention to total system length. Specifically, ensure that the extension cable length and the probe length sum exactly to the Proximitor Sensor's total specified length. Any mismatch can introduce measurement errors.
For field wiring between the Proximitor Sensor and the monitor, use 0.2 to 1.5 mm² (16 to 24 AWG) tinned, 3-conductor shielded triad cable. The maximum permissible field wiring distance is 305 meters (1,000 feet). However, be aware that longer runs may cause signal rolloff at high frequencies, so always consult the frequency response graphs provided in the product manual.
Although each cable includes silicone tape as an alternative to connector protectors, we strongly advise against using this tape in applications where the probe-to-extension cable connection contacts turbine oil. In such cases, the FluidLoc option offers superior protection against fluid ingress and leakage. Moreover, this cable’s armored construction eliminates the need for additional conduit in many installations, simplifying routing through tight machine compartments.
1 × Bently Nevada 330130-085-01-CN Armored Extension Cable (8.5 meters)
1 × Roll of silicone tape (for connector protection, where applicable)
1 × Installation instruction sheet
Note: This package does not include calibration certificates, warranty documents, or mounting accessories.
All orders are dispatched worldwide via FedEx, UPS, or DHL with full tracking and insured delivery. Standard lead time is 2–3 business days for in-stock items.
Q1: Can I use the 330130-085-01-CN with older 3300 series probes?
A1: No. This cable is specifically designed for 3300 XL 8 mm probes and Proximitor Sensors. Using it with previous 3300 series components may result in incompatible electrical characteristics and mounting dimensions.
Q2: What does the "CN" approval signify for this model?
A2: The CN suffix indicates country-specific approvals for China, ensuring compliance with local regulatory requirements for industrial monitoring equipment in that region.
Q3: How do I calculate the correct total cable length for my system?
A3: Simply add the probe length to the extension cable length. The sum must equal the total length specified for your Proximitor Sensor. For the 330130-085-01-CN, the 8.5-meter extension is typically paired with a probe whose length complements the sensor’s total requirement.
Q4: Is this armored cable suitable for submersible or oil-filled environments?
A4: Yes. The armored jacket provides excellent resistance to oil and moisture. Additionally, the FluidLoc option (available upon request) prevents oil from leaking through the cable interior, making it ideal for turbine bearing housings and gearbox applications.
Q5: What happens if I exceed the maximum field wiring distance of 305 meters?
A5: Exceeding 305 meters can cause high-frequency signal attenuation, reducing measurement accuracy. For longer distances, consider using a signal conditioner or relocating the Proximitor Sensor closer to the monitor. Always refer to the frequency response graphs for your specific configuration.
| Brand Name | |
| Model No. | 330130-085-01-CN |
| Product Type | Extension Cable |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
