Description
Product Core Brief
- Model: Bently Nevada 330104-00-05-10-02-00
- Brand: Baker Hughes (Bently Nevada)
- Series: 3300 XL 8mm Proximitor Sensor System
- Core Function: Connects proximity probe to Proximitor sensor with signal shielding.
- Type: Extension Cable (Non-armored)
- Key Specs: 5.0 Meters Length 1.0 Meter Probe Total Standard FEP Jacket
BENTLY 330104-00-05-10-02-00
Key Technical Specifications
- Total Length: 5.0 meters (approx. 16.4 feet)
- Cable Type: 75 Ω coaxial cable
- Jacket Material: FEP (Fluorinated Ethylene Propylene) insulation
- Connector Type: Miniature male and female coaxial connectors (Gold-plated)
- Operating Temperature: -51°C to +177°C (-60°F to +351°F)
- System Compatibility: 3300 XL 8mm Proximitor and Probe only
- Bend Radius: 25.4 mm (1.0 inch) minimum
- Dielectric Strength: 1,000 V RMS
- Connector Torque: Finger tight plus 1/8 turn (max 0.56 N·m)
- Hazardous Area Approvals: CSA, ATEX, IECEx (when used with approved system)
Application Scenarios & Pain Points
In the world of vibration monitoring, the extension cable is the most vulnerable link in the chain. It’s often snaked through conduit, dragged across oil-slicked floors, or stepped on during outages. While the probe sits safely inside the bearing housing and the Proximitor is tucked away in a NEMA 4X box, the cable is usually “in the line of fire.” If a cable is kinked or the connector is contaminated with oil, the signal integrity collapses, leading to “false high” vibration readings or a total “Circuit Fault” (NOT OK) status on your 3500 rack.
Typical Application Scenarios:
- Gas & Steam Turbines Routing signals from the shaft X-Y probes back to the junction box located on the turbine skid.
- Centrifugal Compressors Measuring axial thrust position where high-temperature FEP jackets are required due to proximity to hot oil.
- Cooling Tower Fans Long-distance signal transmission from the gearbox bearing to the vibration transmitter.
- Hydroelectric Units Monitoring Guide Bearing vibration where moisture resistance and high dielectric strength are critical.
Case Study: The “Mystery Spike” at the Pumping Station
Background: A natural gas pipeline station reported random “High-High” vibration trips on a 5,000 HP motor. The Problem: The site team checked the probe and the Proximitor, and both tested fine. However, during a walkdown, I noticed the 330104 cable was routed too tightly around a sharp bracket. Thermal expansion was causing the cable to pull on the connector just enough to change the impedance, which the system interpreted as a 5-mil vibration spike. Solution: We replaced the damaged cable with a new 330104-00-05-10-02-00 and added a connector protector kit (330153-05). Result: The impedance signal stabilized. The station resumed operations without a single nuisance trip for the rest of the season.
Compatible Replacement Models
The 330104 series follows a specific “Option Code” structure. Changing one digit can mean the difference between a cable that fits and one that is too short or lacks armor.
| Original Model | Replacement Model | Compatibility Level | Key Differences | Change Required |
| 330104-00-05… | 330104-01-05… | ✅ Direct | -01 adds Stainless Steel Armor. | Improved physical protection. |
| 330104-00-05… | 330104-00-09… | ❌ Incompatible | 9.0 meter length. | Requires 9m Proximitor sensor. |
| 330104-00-05… | 330130-00-05… | ❌ Incompatible | Standard 3300 (Non-XL) cable. | Different electrical properties. |
Configuration Breakdown:
- -00: Standard Cable (No Armor)
- -05: 5.0 Meters Length
- -10: Standard Insulation
- -02: Standard Connector
- -00: No fluid leakage protection (standard)
Troubleshooting Quick Reference
| Symptom | Potential Cause | Correlation | Quick Check | Action |
| System “NOT OK” | Open or Short Circuit | ✅ High | Measure resistance between center pin and shell. | Replace cable if ∞ or 0 Ω. |
| High “Noise” Level | Contaminated Connectors | ✅ High | Inspect connectors for oil or moisture. | Clean with Isopropyl Alcohol. |
| Inaccurate Gap Voltage | Length Mismatch | ⚠️ Medium | Verify the Proximitor is rated for a 5m system. | Match cable length to Proximitor. |
| Signal Drifting | Physical Kink/Crush | ⚠️ Medium | Inspect cable for flat spots or insulation tears. | Replace cable and use conduit. |
| Intermittent Signal | Loose Connector | ✅ High | Ensure the “click” when mating connectors. | Apply Connector Torque tool. |
The “Old Engineer” Advice: “I’ll tell you the secret to a long-lasting Bently system: Never use pliers on these connectors. They are gold-plated and precision-machined. If you over-torque them, you’ll snap the center pin or strip the threads. Finger-tight plus a tiny 1/8 turn is all you need. Also, if you’re in a high-moisture environment, use Connector Protectors or heat-shrink tubing. A single drop of oil inside that coaxial connection will cause your DC gap voltage to dance all over the place, and you’ll be chasing ‘ghost’ vibration problems for weeks.”
