Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Bently Nevada 330105-02-12-20-02-05 is a premium-grade 3300 XL 8mm Reverse Mount Proximity Probe, engineered for high-accuracy, non-contact measurement of shaft vibration and position in critical rotating machinery. As part of the 3300 XL series, it is fully compliant with API 670 standards, making it suitable for turbomachinery protection systems in the most demanding industrial environments.
This model features a reverse mount configuration with a probe length of 200 mm, making it ideal for installations where access to the front side of the mounting surface is restricted. The probe uses eddy current technology to deliver accurate measurements of both static and dynamic conditions on metallic targets, typically shaft rotors made of 4140 steel.
Key Features
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Reverse-mount design for difficult-to-access or blind-side installations
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8mm probe tip with consistent linear response
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200 mm probe length for deep-set measurement points
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Compatible with 3300 XL Proximitor® sensors and extension cables
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API 670 compliant for critical machine protection systems
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High resistance to EMI/RFI interference
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Factory-calibrated for superior linearity and interchangeability
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IP68 rated when properly connected
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Corrosion-resistant stainless steel body
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | 3300 XL 8mm Reverse Mount Proximity Probe |
| Model Number | 330105-02-12-20-02-05 |
| Probe Type | Reverse mount |
| Sensing Technology | Eddy current, non-contact |
| Tip Diameter | 8 mm |
| Thread Type | M10 × 1 (metric) |
| Probe Length | 200 mm |
| Cable Length (Integral) | 2 meters (probe to extension cable connection) |
| Connector Type | Miniature coaxial, click-lock style |
| Target Material | Typically 4140 steel or other ferromagnetic materials |
| Linear Range | 2 mm (80 mils) |
| System Accuracy | ±0.07 mm (±2.8 mils), with matched system |
| Frequency Response | 0 to 10 kHz dynamic; static measurement supported |
| Temperature Range (Operation) | -35°C to +177°C |
| Temperature Range (Storage) | -51°C to +177°C |
| Environmental Rating | IP68 (when mated properly) |
| Housing Material | Stainless steel (AISI 303/304) |
| Dimensions | Total Length : 2.0 meters |
| Weight | 0.646 kg |
| System Compatibility | 3300 XL extension cable + Proximitor sensor (e.g., 3300 XL 330180-91-05) |
Industry Applications
The 330105-02-12-20-02-05 probe is designed for critical condition monitoring and protection of rotating equipment across multiple industries:
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Oil & Gas: Axial/radial vibration and position monitoring of turbines, compressors, and pumps
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Power Generation: Shaft monitoring in steam turbines and large generators
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Petrochemicals & Refineries: Equipment protection in high-temperature, high-pressure environments
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Steel & Mining: Monitoring crushers, conveyors, and rolling equipment
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Marine Propulsion Systems: Vibration monitoring in ship propulsion shafts
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Water & Wastewater: Long-term pump and blower shaft monitoring
Product Advantages
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Deep-reach capability: 200 mm probe length enables access to recessed monitoring points
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API 670 compliance: Suitable for critical machine protection applications
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Superior EMI immunity: Ensures clean signal in high-noise environments
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Plug-and-play integration: Pairs with standard 3300 XL system components
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Wide operating temperature: Suitable for extreme thermal conditions
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Durable and corrosion-resistant: Stainless steel body ensures longevity in harsh conditions
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Non-contact sensing: No physical wear, ideal for long-term reliability
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Factory calibration: Ensures consistent and accurate measurement out of the box
Frequently Asked Questions (FAQ)
1. What is the use of this reverse mount probe?
It measures shaft vibration and position without requiring access to the front side of the mounting surface.
2. How long is the probe?
The probe length is 200 mm, making it suitable for deep or recessed installations.
3. Is this probe compatible with all Bently Nevada systems?
It is specifically designed to work with 3300 XL extension cables and Proximitor® sensors.
4. Does it support high-speed machinery?
Yes, the system’s frequency response and linearity are optimized for high-speed applications.
5. Can this probe be used in hot environments?
Yes, it supports temperatures up to +177°C for both operating and storage conditions.
6. What does the “05” in the model number signify?
It typically refers to system configuration or cable connector options—refer to the product matrix for full breakdown.
7. Is the cable field-replaceable?
No, the probe and its 2-meter integral cable are factory-assembled and not meant for separation.
8. What is the measurement range?
Linear range is 2 mm (80 mils) for typical proximity applications.
9. What kind of materials can it measure?
It works with ferromagnetic materials, such as 4140 steel.
10. What thread size is used for mounting?
It uses M10 × 1 metric threading.
Related Models in the 3300 XL 8mm Reverse Mount Series
| Model | Description |
|---|---|
| 330105-02-12-15-02-CN | 150 mm probe, 2 m cable, China-compliant configuration |
| 330105-02-12-10-02-00 | 100 mm probe, 2 m cable |
| 330105-02-12-05-02-00 | 50 mm probe, 2 m cable |
| 330130-045-00-00 | Standard 4.5 m Extension Cable for 3300 XL |
| 330180-91-05 | 3300 XL Proximitor Sensor for use with 8 mm probes |
| 330104-00-05-10-02-00 | Forward mount 8 mm probe, 100 mm length, 2 m cable |
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