Description
The Bently Nevada 330130-085-00-00 is a heavy-duty, armored proximity extension cable that forms an integral part of the 3300 XL 8mm Proximitor Sensor System. This robust cable is engineered to connect a 3300 XL 8mm proximity probe to a 3300 XL Proximitor sensor, providing seamless transmission of high-frequency eddy current signals. Equipped with stainless steel fluid-tight armor, this specific configuration provides exceptional mechanical protection against crushing, abrasion, cutting, and corrosive chemical exposure. The part number configuration denotes a total electrical length of 8.5 meters with standard miniature coaxial ClickLoc connectors and no additional specialized options.
Technical Specifications
- Manufacturer: Bently Nevada (Baker Hughes)
- Series: 3300 XL 8mm Proximitor System
- Model Keyword: BENTLY NEVADA 330130-085-00-00 Armored Cable
- Cable Length: 8.5 meters (approx. 27.9 feet)
- Armor Option: Stainless Steel Armor with Outer FEP Jacket (Fluid-tight)
- Connector Type: ClickLoc Miniature Coaxial Connectors (Standard gold-plated)
- Dimensions: 850.0 cm x 0.8 cm x 0.8 cm
- Weight: 0.68 kg (1.50 lbs)
- Country of Origin: United States (USA)
- System Total Capacitance: 69.9 pF/m (21.3 pF/ft) typical
- Operating Temperature Range: -51°C to 177°C (-60°F to 350°F)
BENTLY 330130-085-00-00
Application Fields
The 330130-085-00-00 armored cable is designed for harsh, unprotected field routings where sensor lines are exposed to mechanical hazards and fluids:
- Steam and Gas Turbines: Routing signal lines through high-temperature, oil-soaked internal bearing housings.
- Centrifugal Compressors: Relaying thrust position and radial vibration signals in high-pressure gas processing environments.
- Hydroelectric Generators: Monitoring shaft displacement and guide bearing runout in damp, moisture-heavy turbine pits.
- Cooling Tower Fans: Transmitting vibration data along open structures exposed to continuous water spray and physical weathering.
Product Installation and Usage Instructions
- System Verification: Confirm that the 8.5-meter extension cable matches your specific proximity probe length to fulfill the exact total system length calibration required by your Proximitor sensor (e.g., a 0.5-meter probe + 8.5-meter cable creates a standard 9.0-meter system).
- Cable Pulling and Routing: Run the armored cable from the probe junction box to the control cabinet. While the stainless steel armor resists physical damage, avoid exceeding the minimum bend radius of 25 mm (1.0 inch) during installation.
- Mating the Connectors: Connect the proximity probe lead to the extension cable by pushing the ClickLoc coaxial connectors together until they click firmly. Do not use pliers or mechanical tools to tighten these connectors.
- Environmental Sealing: Wrap the mated connector assembly with self-fusing silicone tape or utilize a Bently Nevada connector protector kit to prevent the ingress of oil, water, or metal shavings.
- Final Proximitor Connection: Connect the remaining end of the extension cable directly into the “PROBE” terminal of the 3300 XL Proximitor sensor, ensuring a clean, hand-tight fit.
Frequently Asked Questions (Q&A)
Q: What do the specific numbers “-085-00-00” signify in the part number? A: In the 330130 series configuration matrix, “-085” indicates a total physical length of 8.5 meters. The first “-00” specifies that the connectors are standard (non-fluid-resistant option, though the armor itself is fluid-tight), and the final “-00” means it carries standard agency approvals without specialized modifications.
Q: Can this armored cable be used in hazardous locations? A: Yes. When paired with certified 3300 XL probes and Proximitor sensors, the 330130 series extension cable complies with multiple global intrinsic safety standards, including ATEX, IECEx, and CSA for Class I, Division 1 areas.
Q: Does the stainless steel armor shield the signal from electromagnetic interference (EMI)? A: The outer stainless steel armor provides robust physical protection, while the inner coaxial braid serves as the primary electrical shield against EMI. For optimal noise rejection, ensure the Proximitor sensor housing is securely grounded to the instrument earth.
Q: What is the primary difference between the 330130 cable and the 330108 cable? A: The 330130 cable includes a protective, flexible stainless steel armor wrap over the internal coaxial line, making it ideal for open routing. The 330108 is a non-armored, bare coaxial cable designed to be pulled through protective rigid conduit.
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