产品介绍
The Bently Nevada 330750-20-CN High Temperature Velomitor Sensor is a precision vibration sensor designed to operate in high-temperature industrial environments, /fering reliable performance for machinery protection and condition monitoring. Part / Bently Nevada’s Velomitor Sensor series, this model provides accurate velocity measurement / shaft vibration, ensuring safe and efficient operation / rotating equipment.
Using a piezoelectric sensing element, the 330750-20-CN converts mechanical vibration into an electrical signal proportional to velocity. Its high-temperature capability allows it to operate directly on hot machinery surfaces, making it ideal for steam turbines, compressors, and other high-temperature rotating equipment. Combined with a compatible 3300 XL Proximitor Sensor or vibration monitoring system, it delivers real-time, high-resolution vibration data crucial for predictive maintenance and protection.
The sensor is constructed with robust stainless steel housing, high-temperature insulation, and shielded cabling for resistance to electromagnetic interference (EMI) and harsh industrial conditions. Its design ensures compliance with API 670 standards, making it a reliable choice for critical industrial applications.
Technical Specifications
| Parameter | 描述 |
|---|---|
| 型号 | Bently Nevada 330750-20-CN |
| Series | High Temperature Velomitor Sensor |
| Measurement Type | Velocity (vibration) |
| Measurement Principle | Piezoelectric |
| Frequency Response | 2 Hz to 10 kHz (±3 dB) |
| Sensitivity | 100 mV/mm/s nominal |
| Operating Temperature | -40°C to +250°C |
| Storage Temperature | -55°C to +275°C |
| Temperature Coefficient | <0.2% per °C |
| Housing Material | Stainless steel, corrosion-resistant |
| Mounting Thread | M8 × 1.25 or M10 × 1.5 (depending on model configuration) |
| Mounting Type | Stud mount |
| Cable Type | Shielded coaxial high-temperature cable |
| 重量 | 0.635 kg |
| Electrical Isolation | Signal isolated from housing |
| Compliance Standards | API 670, CE, CSA, ATEX (system dependent) |
| Total Length | 2 meters |
Product Applications
The 330750-20-CN High Temperature Velomitor Sensor is used for accurate vibration monitoring / critical rotating machinery operating in high-temperature environments. It is ideal for applications where proximity probes cannot be mounted due to thermal constraints.
Common applications include:
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Steam and Gas Turbines: Directly measures rotor vibration for condition monitoring.
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Compressors: Detects imbalance, misalignment, and bearing faults.
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Pumps: Monitors vibrations for early detection / mechanical issues.
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Industrial Motors and Generators: Provides velocity measurements / high-temperature shafts.
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High-Temperature Gearboxes: Measures vibration for predictive maintenance.
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Process Equipment: Monitors pumps, blowers, and other rotating machinery in petrochemical and power plants.
This sensor is widely deployed in power generation, petrochemical, and industrial process industries, ensuring reliable vibration monitoring in environments exceeding standard temperature limits.
Product Advantages
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High-Temperature Capability: Operates reliably up to +250°C on the machinery surface.
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Accurate Velocity Measurement: Provides precise vibration monitoring for predictive maintenance.
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Robust Construction: Stainless steel housing ensures durability in harsh industrial environments.
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EMI/RFI Imm件y: Shielded cable maintains signal integrity even in electrically noisy conditions.
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API 670 Compliant: Meets international standards for machinery protection and monitoring.
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Wide Frequency Response: Captures both low-frequency and high-frequency vibration signals.
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Non-联系我们 Measurement Compatibility: Works in conjunction with other proximity and monitoring sensors.
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Flexible Mounting: Stud mount allows easy installation on high-temperature equipment.
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Stable Signal Output: Ensures consistent monitoring over extended periods.
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System Compatibility: Integrates with 3300 XL Proximitor Systems and compatible vibration modules.
FAQ
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What type / measurement does the 330750-20-CN perform?
It measures shaft vibration velocity using a piezoelectric sensing element to provide precise velocity output. -
Can this sensor operate in high-temperature environments?
Yes, it reliably operates on machinery surfaces up to +250°C, suitable for high-temperature turbines and compressors. -
What is the frequency response / this sensor?
The sensor supports 2 Hz to 10 kHz, capturing both low- and high-frequency vibration signals. -
Which mounting method is recommended for optimal accuracy?
The sensor should be stud-mounted directly on the machinery surface to ensure accurate vibration coupling. -
Does this sensor provide EMI/RFI protection?
Yes, the shielded coaxial high-temperature cable maintains signal integrity in electrically noisy environments. -
Is the sensor compatible with 3300 XL Proximitor Systems?
Yes, it integrates seamlessly with 3300 XL Proximitor Sensors and vibration monitoring systems. -
What target machinery is this sensor ideal for?
It is suited for turbines, compressors, pumps, high-temperature motors, and gearboxes where direct shaft vibration measurement is required. -
What is the nominal sensitivity / the sensor?
The sensor provides 100 mV/mm/s nominal output, calibrated for high-temperature velocity measurement. -
Does this sensor meet industrial standards?
Yes, it meets API 670, CE, CSA, and ATEX requirements, depending on system integration. -
Can this sensor measure both low and high-speed machinery vibrations?
Yes, its wide frequency response allows monitoring / a broad range / rotating equipment speeds.
Related 型号s (Same Series)
| 型号 | 描述 |
|---|---|
| 330750-10-CN | Standard temperature Velomitor Sensor for moderate-temperature equipment |
| 330750-15-CN | High-temperature sensor with extended frequency response |
| 330750-25-CN | High-temperature sensor with compact housing for tight installations |
| 330750-30-CN | Velomitor sensor optimized for high-speed turbine monitoring |
| 330750-50-CN | Heavy-duty high-temperature sensor for industrial compressors |
| 330750-60-CN | Long-life high-temperature Velomitor sensor for steam turbines |
Popular Bently Nevada 型号s
| 型号 | 描述 |
|---|---|
| 330750-20 | Standard Velomitor Sensor for machinery monitoring |
| 3500/42M | Dual-channel vibration and position monitoring module |
| 3500/22M | Transient Data Interface Module for high-speed monitoring |
| 3500/94 | Display Module for real-time vibration visualization |
| 330780-51-00 | 3300 XL Proximitor Sensor compatible with 11 mm probes |
| 330130-040-00 | 8 mm proximity probe for general industrial applications |
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