製品紹介
The Bently Nevada 330900-70-05 Proximity Sensor is a high-precision, non-contact vibration and position monitoring device designed for critical rotating machinery. Built to the rigorous standards / the Bently Nevada 3300 series, it provides reliable measurements / shaft vibration, axial position, and keyphasor signals in turbines, compressors, pumps, and other industrial equipment. Its rugged construction and excellent linearity make it a trusted choice for continuous condition monitoring and predictive maintenance.
製品仕様
| Parameter | Details |
|---|---|
| モデル Number | 330900-70-05 |
| Sensing Principle | Non-contact eddy-current displacement |
| Measurement Range | 0 to 2.0 mm (80 mils) |
| Linearity | ±0.25% / full scale |
| Frequency Response | DC to 10 kHz |
| Output Signal | 4–20 mA proportional to displacement |
| Operating Temperature | –35 °C to +177 °C (–31 °F to +350 °F) |
| Power Supply | –24 V DC nominal |
| Probe Tip Diameter | 8 mm |
| Dimensions (L × W × H) | 120 × 100 × 50 mm |
| 重量 | 0.12 kg |
| Environmental Protection | IP67 (dust-tight, water-resistant) |
| Compliance | CE, RoHS |
Applications
The 330900-70-05 sensor is engineered for critical machinery protection and process optimization.
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Turbines (steam, gas, hydro) for shaft vibration monitoring.
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Compressors and pumps for axial displacement detection.
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Generators and motors for early fault identification.
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Gearboxes and fans where continuous, precise proximity measurement is required.
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Integration with Bently Nevada 3500/3300 monitoring systems.
Advantages
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High Accuracy – Exceptional linearity ensures precise displacement and vibration readings.
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Robust Design – Stainless steel body and IP67 sealing for harsh industrial environments.
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Wide Temperature Range – Operates reliably in both cryogenic and high-temperature conditions.
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Easy Integration – Compatible with Bently Nevada’s 3500 protection systems and most data acquisition hardware.
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Low Maintenance – Non-contact measurement reduces wear and eliminates calibration drift.
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Fast Response – High-frequency response supports real-time condition monitoring.
FAQ
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What is the typical frequency response / the 330900-70-05 sensor?
It provides a flat response from DC up to approximately 10 kHz, enabling accurate vibration measurement. -
Can the sensor be used in hazardous or explosive environments?
Yes, when installed with certified intrinsically safe barriers or in approved enclosures. -
How is the sensor calibrated for accuracy?
Each sensor is factory-calibrated with matched extension cable length to maintain linearity. -
What type / signal output does this proximity sensor deliver?
It outputs a 4–20 mA current signal proportional to shaft displacement. -
Is the probe tip replaceable or field-serviceable?
The probe is a sealed 台; replacement involves swapping the entire probe assembly. -
What is the recommended gap between the probe and the shaft?
Typically 1.0 mm ±0.2 mm, depending on the target material and monitoring system configuration. -
Does cable length affect measurement accuracy?
Yes, the system is calibrated for a specific cable length; altering it requires recalibration. -
What materials can the sensor accurately detect?
Primarily conductive metals such as steel or stainless steel for consistent eddy-current response. -
How does temperature variation influence output stability?
The sensor’s temperature compensation minimizes drift within its –35 °C to +177 °C range. -
Is shielding required for installations near high electromagnetic fields?
Proper cable shielding and grounding are recommended to avoid electrical interference.
Related モデルs (Same Series)
| モデル Number | Key Feature |
|---|---|
| 330900-05-05 | 5 m cable, standard sensitivity |
| 330900-05-10 | 10 m cable, extended range |
| 330900-70-10 | High-temperature version, 10 m cable |
| 330980-50-05 | Narrow-body probe for limited spaces |
| 330171-00-80 | Dual-mode probe for vibration & axial sensing |
| 330130-040-00 | Heavy-duty probe for extreme environments |
Popular Bently Nevada モデルs
| モデル Number | Primary Use |
|---|---|
| 330500 | Proximity probe for general machinery monitoring |
| 3500/22M | Machinery protection and monitoring module |
| 330180 | High-speed keyphasor proximity probe |
| 3701/40 | Machinery condition monitoring transmitter |
| 330103 | Short-length probe for tight installations |
| 330400 | High-temperature probe for turbine applications |
会社情報
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