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Product Overview
The Bently Nevada 330851-01-000-020-90-01-05 3300 XL 25 mm Proximity Probe is a high-precision sensor designed for shaft vibration and position monitoring in large rotating machinery. Its 25 mm probe tip provides enhanced measurement range and sensitivity, making it suitable for industrial applications with higher shaft diameters or extended gap requirements. Part of the 3300 XL Series, this probe delivers reliable, long-term performance in turbines, compressors, pumps, and large motors, supporting predictive maintenance and machinery protection systems.
Key Features
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25 mm probe tip for extended measurement range
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Compatible with 3300 XL Series Proximity Transducer System
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Accurate, repeatable shaft vibration and position monitoring
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Resistant to oil, dust, and harsh industrial environments
Technical Specifications
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330851-01-000-020-90-01-05 |
| Product Type | 3300 XL 25 mm Proximity Probe |
| Dimensions | Total Length：9.0 meters |
| Weight | 1.57 kg |
| Probe Tip Diameter | 25 mm |
| Measurement Range | 0–5.0 mm (0–200 mils) |
| Sensitivity | 1.57 V/mm (40 mV/mil) typical |
| Frequency Response | DC to 5 kHz |
| Operating Temperature | –35 °C to +177 °C |
| Storage Temperature | –40 °C to +200 °C |
| Humidity | 0–95% RH, non-condensing |
| Mounting | Threaded sleeve installation |
| Applications | Shaft vibration, position monitoring, and machinery protection |
Industry Applications
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Large steam and gas turbines
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Industrial compressors and pumps
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Large electric motors and generators
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Gearboxes and high-capacity rotating machinery
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Oil, gas, petrochemical, and power generation industries
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Condition-based monitoring systems
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the 330851-01-000-020-90-01-05 probe?
It measures shaft vibration and position in large rotating machinery.
Q2: Which system is it compatible with?
It works with the Bently Nevada 3300 XL proximity transducer system.
Q3: What is the probe size?
It has a 25 mm diameter and a total length of 9.0 meter.
Q4: What is the operating temperature range?
–35 °C to +177 °C.
Q5: Can it operate in harsh industrial environments?
Yes, it is resistant to oil, dust, and industrial contaminants.
Q6: What is the linear measurement range?
0–5.0 mm (0–200 mils).
Q7: What type of signal does it output?
It provides an analog voltage proportional to shaft vibration and position.
Q8: Where is it typically installed?
On large turbines, compressors, motors, and industrial gearboxes.
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| 330130-045-02-CN | 3300 XL Standard Extension Cord |
| 330172-22-25-05-02-00 | 3300 XL Extension Cable |
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Popular Bently Nevada Modules
| Model | Description |
|---|---|
| 330851-01-000-030-90-01-05 | 3300 XL 25 mm Proximity Probe |
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| 330106-05-30-50-02-05 | 3300 XL 8 mm Reverse Mount Probe |
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