Product Overview
The Bently Nevada 330750-20 High Temperature Velomitor System is engineered for high-temperature vibration monitoring in demanding industrial environments. This advanced piezo-velocity sensor is capable of operating under extreme conditions, with a surface temperature tolerance of up to 400°C (752°F). Unlike standard models, the unique design separates the sensing element from the signal conditioning electronics, allowing it to maintain reliability and accuracy in harsh settings.
With a probe diameter of 20 mm and a 2-meter cable, this sensor delivers exceptional sensitivity at 5.7 mV/mm/s and maintains a measurement accuracy of ±5%. Its architecture supports detecting early machinery faults such as imbalance and misalignment, making it an essential component for monitoring large rotating machinery, including turbines and compressors.
Technical Configuration
The model number 330750-20 conveys important information about the sensor’s capabilities:
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330750: Identifies this model as a part of the Bently Nevada high-performance Velomitor system tailored for high-temperature applications.
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20: Specifies the sensor's probe size of 20 mm, pertinent to its installation and compatibility with equipment.
Technical Specifications
| Parameter |
Specification |
| Model Number |
330750-20 |
| Module Type |
High Temperature Velomitor System |
| Manufacturer |
Bently Nevada |
| Condition |
Brand New |
| Range of Product |
3300 XL 8 mm Proximity Transducer System |
| Lead Time |
In Stock |
| Weight |
0.2 kg |
| HS CODE |
8537101190 |
| Dimensions |
8.8 x 3.6 x 7.1 cm |
| Minimum Order Quantity (MOQ) |
1 |
| Product Origin |
USA |
| System Compatibility |
TSI |
| Communication Service |
Ethernet router |
| Temperature Range |
Up to 400°C (752°F) |
| Sensitivity |
5.7 mV/mm/s |
| Accuracy |
±5% |
| Amplitude Linearity |
±2% up to 152 mm/s peak velocity |
| Output Bias Voltage |
-12 ±2.0 VDC |
| Input Current |
120 mA |
| Power Consumption |
1.0 W |
Installation & Wiring Guidelines
To optimize the performance of the Bently Nevada 330750-20 High Temperature Velomitor System, follow these guidelines:
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Mechanical Clearance: Ensure adequate space for installation, particularly when dealing with high temperatures and sensitive electronics.
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Wiring Connections: Tighten and secure all cable connections to prevent signal interference, ensuring the cable is routed away from high-heat sources.
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Mounting Protocol: Mount the sensor in locations where the cooling method effectively reduces the effect of heat on the sensor's electronics.
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Environmental Protection: Utilize the designed sensor to eliminate the need for connectors between the sensing head and electronics, simplifying installation and reducing potential failure points.
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Consult Technical Support: For any installation challenges, consult Bently Nevada engineers for best practices tailored to specific applications.
Engineering Advantages
The Bently Nevada 330750-20 High Temperature Velomitor System excels in extreme industrial environments characterized by high temperatures and harsh conditions. The innovative design of separating the sensing element from the electronics reduces failure points and enhances the overall reliability of the sensor.
This system integrates seamlessly with the TSI architecture, ensuring compatibility with existing monitoring setups. It is ideal for continuous monitoring in power generation, oil and gas, and heavy industrial applications, offering accurate and sensitive detection of vibration that can preemptively address potential mechanical failures.
By implementing the Bently Nevada 330750-20, users strengthen their predictive maintenance strategies, enhancing the protection of critical machinery in high-temperature settings.
Technical FAQs
Q1: What applications is the Bently Nevada 330750-20 High Temperature Velomitor System intended for?
A1: This sensor is designed for high-temperature vibration monitoring in industrial rotating machinery, such as turbines and compressors operating in extreme conditions.
Q2: How does the separation of the sensing element and signal conditioning electronics benefit the sensor?
A2: This design improves reliability by placing sensitive electronics in cooler locations, allowing the sensor to withstand surface temperatures up to 400°C without compromising performance.
Q3: What is the sensitivity of this Velomitor system?
A3: The Bently Nevada 330750-20 delivers a sensitivity of 5.7 mV/mm/s, with an accuracy of ±5%.
Q4: Is the 330750-20 Velomitor system suitable for use in hazardous environments?
A4: Yes, it is engineered to meet the rigorous demands of industrial applications, providing reliable performance in harsh environmental conditions.
Q5: What power requirements does the sensor have?
A5: The sensor operates efficiently with a low input current of 120 mA and consumes only 1.0 W of power.