Description
Bently Nevada 129715-138-040-05-00 3300 XL Proximity Sensor Full Technical Profile
Core Product Introduction
The Bently Nevada 129715-138-040-05-00 is a high-performance 3300 XL series proximity probe, a core non-contact eddy current measurement component of Bently Nevada’s industry-standard machinery health monitoring ecosystem. It is purpose-engineered to deliver accurate, stable measurement of shaft radial vibration, axial thrust position and dynamic displacement on critical rotating equipment, and natively integrates seamlessly with your existing Bently Nevada 3500 series machinery protection modules, forming a fully API 670 compliant end-to-end monitoring solution for harsh industrial environments.

129715-138-040-05-00
Full Technical Specifications
| Specification | Exact Parameter |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Full Part Number | 129715-138-040-05-00 |
| Product Series | 3300 XL Proximity Sensor |
| Probe Sensing Tip Diameter | 8 mm |
| Total Integral Cable Length | 4.0 meters |
| Connector Type | Standard Bently Nevada coaxial connector |
| Calibrated Sensitivity | 7.87 V/mm (200 mV/mil), ±5% full-range tolerance |
| Linear Measurement Range | 0 to 2.0 mm (0 to 80 mils) |
| Operating Temperature Range | -35°C to +175°C |
| Probe Housing Material | 316 Stainless Steel |
| Ingress Protection Rating | IP67 for sensing tip |
| RFI/EMI Immunity | High immunity to radio frequency interference, meets CE mark requirements |
| Factory Condition | 100% Brand New Original Sealed |
| Standard Warranty | 12 months |
| Country of Origin | USA |
| Compatible System | All Bently Nevada 3300 XL 8 mm Proximitor Sensors and 3500 series monitoring modules |
Key Product Features
- Full 3300 XL Ecosystem Interoperability: No individual component pre-calibration required, directly compatible with all Bently Nevada 3300 XL 8 mm Proximitor sensors and 3500 series monitoring modules you previously researched, no extra signal conversion hardware needed.
- 4-Meter Long Integral Cable: The 4-meter built-in cable length meets the wiring distance requirements of most large industrial rotating machinery, reducing the need for extra extension cables and minimizing signal connection points.
- High Environmental Adaptability: Wide operating temperature range and 316 stainless steel housing deliver excellent corrosion resistance, supporting 7×24 hours continuous operation in harsh industrial environments.
- High RFI/EMI Immunity: Optimized circuit design eliminates signal distortion caused by industrial electromagnetic interference, fully meeting CE mark compliance requirements.
- Rugged Mechanical Construction: Industrial-grade probe body and reinforced cable structure provide exceptional mechanical durability, resisting damage from vibration, impact and long-term bending during field deployment.
Professional Installation Guidelines
- Confirm the target rotating machinery is in full locked-out/tagged-out shutdown status before installation, select a mounting position perpendicular to the clean, uncoated shaft surface to avoid measurement distortion.
- Thread the probe into the pre-drilled mounting hole, adjust the initial mechanical gap to set the gap voltage to the optimal mid-point of the linear working range, then tighten the dedicated lock nut securely to fix the probe position.
- Route the 4-meter integral probe cable separately from high-voltage power cables, avoid sharp bends with radius less than 25 mm, connect the coaxial connector tightly to the matched Proximitor sensor.
- Power on the Bently Nevada 3500 monitoring rack, verify the gap voltage reading on the corresponding monitoring module is stable and within the normal working range, then perform a full TK-3 calibration validation before putting the system into formal operation.
Application Scenarios
This proximity sensor is widely deployed on steam turbines, centrifugal compressors, gas turbines, large industrial pumps, induced draft fans and other critical rotating equipment in power plants, oil refineries, petrochemical facilities and offshore oil platforms. It is a standard core component of Bently Nevada 3300 XL proximity measurement ecosystem, fully compatible with your existing 3500 series machinery protection system to meet API 670 industrial machinery protection standard requirements.
Frequently Asked Questions
- Q: What is the total integral cable length of this probe?
A: The total integral cable length is 4.0 meters, corresponding to the “040” segment in the part number. - Q: What is the calibrated sensitivity of this sensor?
A: The factory calibrated sensitivity is 7.87 V/mm (200 mV/mil), with a full-range tolerance of ±5%. - Q: Can this probe be directly connected to Bently Nevada 3500 series monitors?
A: Yes, it is natively fully compatible with all 3300 XL 8 mm Proximitor sensors and 3500 series monitoring modules, no extra signal conversion hardware is required. - Q: What is the maximum continuous operating temperature of the probe tip?
A: The probe tip supports continuous operation up to +175°C, suitable for most high-temperature industrial rotating machinery measurement points.
