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The Bently Nevada brand is renowned for providing industrial-grade condition monitoring solutions, specializing in vibration and shaft displacement measurement. It is widely trusted in sectors such as power generation, petrochemical, heavy industry, and rotating machinery protection systems.
The model 330104-00-07-50-12-05 belongs to the 3300 XL 8 mm Proximity Transducer System Series. This series is a highly reliable platform for eddy current-based non-contact measurement of shaft vibration and displacement. It is compatible with the full 3300 XL system for continuous machinery monitoring.
The 330104-00-07-50-12-05 is an 8 mm diameter eddy current proximity probe designed for precise and continuous monitoring of shaft vibration and radial displacement.
The “50” indicates a medium-length cable configuration, and “12-05” specifies an extended cable and connector combination suitable for installations where the monitoring rack is positioned at a significant distance from the rotating machinery.
This probe operates using eddy current technology, producing an electrical signal proportional to the distance between the probe tip and the conductive shaft surface. It is built for harsh industrial environments, resisting high temperature, oil contamination, mechanical vibration, and dust.
It integrates with extension cables and proximitor modules in the 3300 XL system, ensuring accurate, real-time vibration and position monitoring for predictive maintenance and machine protection applications.
| Parameter | Description |
|---|---|
| Model | 330104-00-07-50-12-05 |
| Product Type | Eddy Current Proximity Probe |
| Probe Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| Case Length | Approx. 70 mm |
| Total System Length | Approx. 5.0 meters (probe + cable) |
| Measurement Range | Approx. 2 mm radial displacement |
| Sensitivity | Approx. 7.87 V/mm |
| Frequency Response | 0 – 10 kHz |
| Operating Temperature | -35°C to +177°C |
| Cable Type | Medium-length coaxial, extended |
| Connector Type | Miniature coaxial |
| Mounting Method | Threaded |
| Housing Material | Stainless steel |
| Protection Level | Industrial grade |
| Dimensions | Approx. 80 × 50 × 60 mm |
| Weight (kg) | Approx. 0.46 kg |
The 330104-00-07-50-12-05 proximity probe is used for monitoring critical rotating machinery in industrial environments, including:
Its extended cable configuration allows for flexible installation where monitoring equipment is located at a distance from the machinery.
Extended System Length
Allows installation where monitoring racks are positioned remotely from the machine.
High Accuracy Measurement
Provides stable, precise vibration and shaft displacement readings.
Non-Contact Technology
Reduces mechanical wear and extends operational life.
Durable Construction
Stainless steel housing resists oil, vibration, dust, and extreme temperatures.
Full System Compatibility
Seamlessly integrates with the 3300 XL system for predictive maintenance and machine protection.
| Model | Description | Probe Size | System Length | Weight (kg) |
|---|---|---|---|---|
| 330104-00-07-10-02-00 | Standard probe | 8 mm | 1.0 m | 0.28 |
| 330104-00-07-10-05-00 | Medium-length | 8 mm | 2.0 m | 0.35 |
| 330104-00-07-10-12-00 | Long cable | 8 mm | 5.0 m | 0.45 |
| 330104-00-07-50-02-00 | Medium-length system | 8 mm | 2.0 m | 0.40 |
| 330105-02-12-10-02-00 | Heavy-duty probe | 8 mm | 2.0 m | 0.32 |
| Model | Product Type | Function | Frequency Range | Weight (kg) |
|---|---|---|---|---|
| 3500/42M | Proximity Monitor | Multi-channel vibration monitoring | Up to 10 kHz | 0.90 |
| 3500/22M | Data Interface Module | Sensor signal acquisition | High-speed | 1.20 |
| 3500/15 | Power Supply Module | System power | N/A | 1.50 |
| 3300/16 | Vibration Monitor | Equipment protection | 5 kHz | 1.10 |
| 1900/65A | General Monitor Module | Multi-parameter monitoring | Up to 10 kHz | 0.85 |
Q1: What is the main function of this probe?
A: Measures shaft vibration and displacement without physical contact.
Q2: What does “50” in the model indicate?
A: It represents a medium-length cable configuration.
Q3: What does “12-05” signify?
A: Extended total system length and specific cable/connector combination for remote installations.
Q4: Can this probe operate in high-temperature or oily environments?
A: Yes, it is designed to handle harsh industrial conditions.
Q5: Does the probe physically touch the shaft?
A: No, it uses non-contact eddy current technology.
Q6: Which industries typically use this probe?
A: Power generation, petrochemical, oil & gas, water treatment, and heavy industry.
Q7: How is it installed?
A: Using a threaded mount near the rotating shaft.
Q8: What type of output does it provide?
A: Voltage proportional to radial displacement of the shaft.
Q9: What maintenance is required?
A: Minimal; periodic inspection of cables and connectors.
Q10: What are the dimensions and weight?
A: Approx. 80 × 50 × 60 mm; weight approx. 0.46 kg.