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The Bently Nevada 137504-08 is a precision-engineered proximity probe assembly designed for non-contact vibration and shaft position measurement in rotating machinery. Built for high reliability, it combines a durable probe and integrated cable capable of operating in demanding industrial environments. Ideal for turbines, compressors, and motors, this assembly ensures accurate monitoring in critical applications.
Non-Contact Measurement – Provides precise shaft vibration and position detection without physical contact.
High-Temperature Operation – Rated to operate from -52°C to +177°C for probe and cable, and -52°C to +100°C for the sensor.
Rugged Construction – Stainless steel housing and PPS tip offer long-term durability in harsh environments.
API 670 Compliance – Meets industry-standard machinery protection system requirements.
Flexible Mounting Options – Supports 1/4-28 UNF or M8 x1 threads.
Interchangeable Components – Compatible with 3300 XL extension cables and Proximitor® sensors.
Moisture Resistant – Reliable performance in high-humidity conditions with proper connector sealing.
Preassembled Cable – Simplifies installation and reduces setup time.
| Feature | Specification |
|---|---|
| Model | 137504-08 |
| Series | 3300 XL |
| Probe Tip Diameter | 8 mm |
| Cable Length | 8 ft (approx. 2.44 m) |
| Probe Housing Material | Stainless Steel |
| Tip Material | PPS (Polyphenylene Sulfide) |
| Cable Insulation | FEP (Fluoroethylene Propylene) |
| Operating Temperature (Probe & Cable) | -52°C to +177°C |
| Operating Temperature (Sensor) | -52°C to +100°C |
| Measurement Range | 2–5 mm (typical linear range) |
| Mounting Thread | 1/4-28 UNF or M8 x1 |
| Humidity Tolerance | Up to 100% condensing with proper sealing |
| Tensile Strength (Probe to Cable) | 330 N |
| Tensile Strength (Lead to Extension Cable) | 270 N |
| Compliance | API 670 4th Edition |
| Country of Origin | USA |
Suitable for condition monitoring and machinery protection in power generation, oil and gas, and industrial manufacturing facilities. Supports integration with 3500 Series Machinery Protection Systems.
Q: Can this probe assembly be used with other Bently Nevada series?
A: The 137504-08 is designed specifically for the 3300 XL Series but is compatible with 3300 XL extension cables and Proximitor® sensors.
Q: What is the maximum cable length available?
A: Standard length for this model is 8 ft (~2.44 m). Longer runs require alternate part numbers.
Q: Is it suitable for high-humidity environments?
A: Yes, with proper connector sealing, it can withstand up to 100% condensing humidity.
Q: Can the mounting thread be customized?
A: It supports both 1/4-28 UNF and M8 x1 threads depending on configuration.
Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
US$40
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