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- Bently Nevada
- 330878-90-00
- Proximitor Sensor
- USA
- 70 mm x 40 mm x 40 mm
- 0.18kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
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- COO
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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 330878-90-00
1. Product Introduction
The Bently Nevada 330878-90-00 is a rugged, high-precision proximity sensor specifically designed for machinery condition monitoring. Part of the 3300 XL sensor family, this sensor is engineered to provide reliable and accurate vibration and displacement measurements of rotating equipment components in harsh industrial environments. Using eddy-current sensing technology, it offers non-contact measurement of shaft position and vibration, enabling early detection of mechanical faults and improving equipment uptime.
This model features a 12.7 mm probe designed for applications requiring compact sensors with robust performance.
2. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 330878-90-00 |
| Series | 3300 XL Proximity Sensor |
| Probe Diameter | 12.7 mm |
| Measurement Range | 0.25 mm to 12.7 mm |
| Sensitivity | Approx. 1.0 V/mm |
| Operating Voltage | -17.5 VDC to -26 VDC (non-isolated) |
| Current Draw | Max 12 mA |
| Output Impedance | 50 Ohms |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +100°C |
| Housing Material | Aluminum Alloy |
| Dimensions (L x W x H) | 70 mm x 40 mm x 40 mm |
| Weight | 0.180 kg |
| Mounting Options | Panel mount or DIN rail mount |
| Certifications | CE, CSA, ATEX, IECEx (depending on variant) |
3. Applications
The 330878-90-00 sensor is typically used in:
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Monitoring vibration and shaft displacement in turbines (steam and gas)
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Generators and large electric motors
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Pumps, compressors, and fans in industrial plants
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Gearboxes and mechanical drives
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Critical rotating equipment in petrochemical, power generation, and oil & gas industries
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Shaft speed measurement and phase reference (Keyphasor)
4. Product Advantages
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Compact and Robust: The 12.7 mm probe diameter makes it suitable for installations in tight spaces while maintaining durability.
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Accurate and Reliable: High sensitivity and stable output ensure early detection of machinery faults.
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Wide Temperature Range: Operates reliably from -40°C to +85°C for varied industrial environments.
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Easy Integration: Compatible with the 3300 XL monitoring system, simplifying upgrades and expansions.
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EMI/RFI Immunity: Designed to maintain signal integrity in electrically noisy conditions.
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Flexible Mounting: Supports both panel and DIN rail mounting options.
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Proven Technology: Based on eddy-current sensing, which has been an industry standard for decades.
5. Related or Same-Series Model Recommendations
| Model | Probe Diameter | Measurement Range | Mounting Type | Certification | Notes |
|---|---|---|---|---|---|
| 330878-50-00 | 12.7 mm | 0.25 – 12.7 mm | Panel Mount | CE | Standard 5-meter cable version |
| 330878-90-05 | 12.7 mm | 0.25 – 12.7 mm | Panel Mount | CE | 9-meter cable for longer distances |
| 330878-91-05 | 12.7 mm | 0.25 – 12.7 mm | DIN Rail | CE | DIN rail mounting with 9-meter cable |
| 330878-50-05 | 12.7 mm | 0.25 – 12.7 mm | Panel Mount | None | Non-certified, cost-effective option |
| 330878-91-00 | 12.7 mm | 0.25 – 12.7 mm | DIN Rail | None | DIN rail non-certified version |
6. Popular Models from the Same Brand
| Model | Type | Application | Certification | Notes |
|---|---|---|---|---|
| 330105-02-12-05-02-00 | Probe Module | Shaft vibration and displacement | CE | Compatible with 3300 XL system |
| 3500/05-01-01-00-00 | Monitoring Module | Multi-channel vibration monitoring | CE | Centralized machine condition monitoring |
| 9200-03-05-10-00 | Smart Sensor | Remote diagnostics and IIoT | CE | Digital communication support |
| 330500 Velocity Sensor | Velocity Sensor | Vibration velocity measurement | CE | Rugged, industrial-grade velocity sensor |
| 330450-10-05 | Probe Assembly | Shaft position sensing | CE | Compact design for restricted spaces |
7. FAQ (Q&A)
Q1: What does the 330878-90-00 measure?
A1: It measures shaft vibration and displacement via eddy-current proximity sensing.
Q2: Is the sensor suitable for hazardous areas?
A2: Certain versions come with ATEX and IECEx certifications for explosive atmospheres.
Q3: What is the probe diameter?
A3: The probe diameter is 12.7 mm, suitable for tight installation spaces.
Q4: What is the operating temperature range?
A4: The sensor operates reliably between -40°C and +85°C.
Q5: How does it connect to the monitoring system?
A5: It is compatible with the 3300 XL series monitoring system and connects via shielded cables.
Q6: What mounting options are available?
A6: Panel mounting and DIN rail mounting options are both available.
Q7: Can the cable length be customized?
A7: Yes, typical cable lengths are 5 meters or 9 meters, but custom lengths are available.
Q8: What output does the sensor provide?
A8: It outputs a voltage proportional to shaft displacement with an output impedance of 50 Ohms.
Q9: How resistant is the sensor to electromagnetic interference?
A9: It is designed to withstand EMI/RFI, ensuring stable signals in noisy environments.
Q10: What are the physical dimensions and weight?
A10: Dimensions are approximately 70 mm x 40 mm x 40 mm, and weight is about 0.180 kg.
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.