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- Bently Nevada
- 330850-X0-05
- Proximitor Sensor
- USA
- 78 mm x 60 mm x 65 mm
- 0.246kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Bently Nevada 330850-91-CN
1. Product Introduction
The Bently Nevada 330850-91-CN is a high-precision non-contact proximity sensor designed to monitor shaft vibration and displacement in rotating machinery. It belongs to the renowned 3300 XL sensor family, widely used in industrial environments such as power generation, oil & gas, and petrochemical plants. This sensor provides reliable and accurate measurements that help detect machinery faults early and reduce unexpected downtime.
The sensor uses an eddy-current based technology to detect the position and vibration of rotating shafts with exceptional sensitivity and stability under harsh conditions.
2. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 330850-91-CN |
| Series | 3300 XL 25 mm Proximitor Sensor |
| Measurement Range | 0.25 mm to 25 mm |
| Sensitivity | 0.787 V/mm (20 mV/mil) |
| Operating Voltage | -17.5 VDC to -26 VDC (non-isolated) |
| Maximum Current Draw | 12 mA |
| Output Impedance | 50 Ohms |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +100°C |
| Housing Material | Aluminum Alloy (A308) |
| Dimensions (L x W x H) | 78 mm x 60 mm x 65 mm |
| Weight | 0.246 kg |
| Mounting Options | Panel Mount or DIN Rail Mount |
| Certifications | CE, CSA, ATEX, IECEx (varies by sub-model) |
3. Applications
The 330850-91-CN sensor is widely used in:
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Vibration and displacement monitoring of steam and gas turbines
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Generator shaft monitoring
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Pumps, compressors, and fans vibration measurement
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Gearbox condition monitoring
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Shaft speed and phase reference (Keyphasor) sensing
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Industrial sectors such as power generation, petrochemical, oil & gas, and heavy manufacturing
4. Product Advantages
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High Accuracy and Sensitivity: Provides reliable data for precise condition monitoring.
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Robust Design: Suitable for harsh industrial environments with wide operating temperature range.
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Multiple Mounting Options: Flexible installation to suit different system designs.
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Excellent EMI/RFI Immunity: Stable and noise-free signal output even in electrically noisy environments.
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Compatibility: Fully compatible with the 3300 XL series monitoring system.
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Durability: Made with quality materials to ensure long operational life.
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Ease of Maintenance: Designed for straightforward installation and minimal downtime during maintenance.
5. Recommended Models from the Same Series or Related
| Model | Measurement Range | Mounting Type | Certification | Notes |
|---|---|---|---|---|
| 330850-50-05 | 0.25 – 25 mm | Panel Mount | CE | Standard length, general use |
| 330850-90-05 | 0.25 – 25 mm | Panel Mount | CE | Longer cable option |
| 330850-91-05 | 0.25 – 25 mm | DIN Rail | CE | DIN rail compatible version |
| 330850-50-00 | 0.25 – 25 mm | Panel Mount | None | Non-certified version |
| 330850-91-00 | 0.25 – 25 mm | DIN Rail | None | DIN rail non-certified version |
6. Recommended Popular Models from Same Brand
| Model | Type | Application | Certification | Notes |
|---|---|---|---|---|
| 330105-02-12-05-02-00 | Probe Module | Shaft vibration and displacement | CE | Precision sensing compatible with 3300 XL |
| 3500/05-01-01-00-00 | Monitoring Module | Multi-channel vibration monitoring | CE | For large machine centralized monitoring |
| 9200-03-05-10-00 | Smart Sensor | Remote diagnostics & IIoT | CE | Supports digital output and remote comms |
| 330500 Vel Proximitor | Velocity Sensor | Vibration velocity measurement | CE | Rugged sensor for harsh environments |
| 330450-10-05 | Probe Assembly | Proximity sensor for shaft position | CE | Compact design for tight installations |
7. FAQ (Q&A)
Q1: What type of measurement does the 330850-91-CN provide?
A1: It measures shaft displacement and vibration using eddy-current proximity sensing technology.
Q2: Can this sensor be used in explosive environments?
A2: Yes, certain certified versions are rated for hazardous locations with ATEX and IECEx certifications.
Q3: What is the typical operating temperature range?
A3: The sensor operates reliably between -40°C and +85°C.
Q4: Is the sensor compatible with existing 3300 XL systems?
A4: Yes, it is fully compatible with the 3300 XL system components.
Q5: What mounting options are available?
A5: The sensor supports both panel mount and DIN rail mount options.
Q6: What is the sensor’s output type?
A6: It outputs a voltage signal proportional to shaft displacement with an output impedance of 50 ohms.
Q7: How long is the cable supplied with this sensor?
A7: Cable lengths vary by model; common lengths are 5 meters, 9 meters, or customized per customer needs.
Q8: How resistant is the sensor to electromagnetic interference?
A8: It has strong EMI and RFI immunity to ensure clean signal output in industrial environments.
Q9: What is the physical size and weight of the sensor?
A9: The sensor measures approximately 78 mm x 60 mm x 65 mm and weighs 0.246 kg.
Q10: Can the sensor detect shaft speed or phase reference?
A10: Yes, with the appropriate configuration, it can be used as a Keyphasor for speed and phase reference.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.