Product Introduction
The Bently Nevada 330851-04-000-020-90-00-00 3300 XL 25 mm Proximity Probe is a precision-engineered component designed for use with the Bently Nevada 3300 XL series proximity transducer system. It is widely applied in condition monitoring of rotating machinery, enabling accurate non-contact measurements of shaft vibration and position. The probe operates based on eddy-current technology, providing reliable readings even in harsh industrial environments such as turbines, compressors, and motors. Its robust construction and extended length configuration make it suitable for installations requiring long-distance cabling while maintaining measurement integrity.
Product Parameters
| Parameter | Specification |
|---|---|
| Model Number | 330851-04-000-020-90-00-00 |
| Series | 3300 XL 25 mm Proximity Probe |
| Measurement Range | 25 mm (1.0 in) |
| System Compatibility | Works with 3300 XL Proximitor Sensor and Extension Cable |
| Sensitivity | 200 mV/mil (7.87 mV/µm) |
| Linear Range | 0 to –25 mm (0 to –1.0 in) |
| Probe Tip Material | Ceramic with protective sleeve |
| Operating Temperature | –35 °C to +177 °C (–31 °F to +350 °F) |
| Storage Temperature | –35 °C to +177 °C (–31 °F to +350 °F) |
| Total Length | 9 m |
| Weight | 0.59 kg |
| Mounting Thread | 3/8–24 UNF |
| Compliance | API 670 standard |
Product Applications
-
Steam and Gas Turbines – shaft vibration and displacement monitoring.
-
Compressors – detecting shaft dynamic behavior to prevent catastrophic failure.
-
Pumps – monitoring operational stability and misalignment.
-
Motors and Generators – ensuring optimal performance by detecting vibration trends.
-
Gearboxes – identifying early signs of wear or imbalance.
Product Advantages
-
High Reliability: Designed to meet demanding API 670 standards for machinery protection.
-
Extended Length Compatibility: 9-meter configuration enables flexible installation in large-scale equipment.
-
Superior Linearity: Maintains consistent and precise output across the full linear range.
-
Robust Construction: Ceramic probe tip ensures long-term durability against wear and harsh environments.
-
System Integration: Fully compatible with the Bently Nevada 3300 XL Proximitor Sensors and extension cables.
-
Proven Technology: Backed by decades of field use in critical industries worldwide.
FAQ
Q1: What is the output sensitivity of this probe?
A1: The probe provides an output sensitivity of 200 mV/mil (7.87 mV/µm).
Q2: Is the probe compatible with all 3300 XL Proximitor Sensors?
A2: Yes, it is designed for full compatibility with 3300 XL Proximitor Sensors of the same series.
Q3: What is the linear measurement range of this probe?
A3: The linear range extends from 0 to –25 mm (0 to –1.0 in).
Q4: Can the probe operate in high-temperature environments?
A4: Yes, it operates reliably in a temperature range of –35 °C to +177 °C.
Q5: How does the probe connect to the measurement system?
A5: It connects via a compatible extension cable and Proximitor Sensor module.
Q6: Does the probe comply with API 670 requirements?
A6: Yes, it fully meets API 670 specifications for vibration and position monitoring.
Q7: What is the primary measurement principle of this probe?
A7: It operates on the eddy-current principle for non-contact displacement measurement.
Q8: Is shielding included for noise immunity?
A8: Yes, the probe is designed with shielding to reduce electromagnetic interference.
Q9: Can this probe detect both static and dynamic shaft displacement?
A9: Yes, it is capable of measuring both static position and dynamic vibration.
Q10: What is the mounting thread size for installation?
A10: It uses a standard 3/8–24 UNF mounting thread.
Recommended Models
| Model Number | Description |
|---|---|
| 330851-04-000-020-10-00-00 | 25 mm probe, 9 m length, standard configuration |
| 330851-02-000-080-90-01-05 | 25 mm probe, 8 m cable, alternative configuration |
| 330851-02-010-100-90-01-05 | 25 mm probe, 10 m cable with special orientation |
| 330851-03-000-010-10-00-05 | 25 mm probe, 1 m cable length |
| 330851-02-010-066-90-00-05 | 25 mm probe, 6.6 m cable version |
| 330851-04-000-020-10-00-00 | 25 mm probe, 9 m with different connector type |
Recommended Models
| Model Number | Description |
|---|---|
| 330103-00-04-10-02-05 | 3300 XL 8 mm Proximity Probe |
| 330104-00-09-10-02-05 | 3300 XL 11 mm Proximity Probe |
| 330106-05-30-10-02-05 | 3300 XL 5 mm Proximity Probe |
| 330130-045-00-00 | Extension Cable for Proximity Probes |
| 330180-90-00 | 3300 XL Proximitor Sensor |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/32M | Relay Module for 3500 Series |
Excellent PLC
