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Product Introduction
The Bently Nevada 190501-18-00-00 Velomitor CT Velocity Transducer is a high-performance vibration measurement device engineered to provide precise and reliable velocity readings in industrial machinery applications. As part of the Velomitor CT (Casing Transducer) series, it is designed to measure the absolute vibration velocity of machine casings and housings. This model combines advanced piezoelectric technology with rugged construction, making it ideal for continuous condition monitoring in harsh industrial environments such as power generation, petrochemical, and manufacturing plants.
The 190501-18-00-00 transducer offers high sensitivity and wide frequency response, ensuring accurate detection of mechanical faults such as imbalance, misalignment, and looseness. Its compact size — 33 mm diameter and 0.297 kg weight — allows for flexible installation on a wide range of rotating equipment. The device is fully compatible with Bently Nevada’s 3500 and ADRE series monitoring systems, integrating seamlessly into existing machinery protection architectures.
This model represents the culmination of decades of Bently Nevada expertise in vibration monitoring technology, offering superior reliability, minimal maintenance, and consistent performance across various operating conditions.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | Bently Nevada 190501-18-00-00 Velomitor CT Velocity Transducer |
| Measurement Type | Absolute casing vibration (velocity) |
| Transducer Technology | Piezoelectric, solid-state sensing element |
| Sensitivity | 100 mV/in/s ±10% |
| Frequency Response | 4.5 Hz to 5,000 Hz (±3 dB) |
| Dynamic Range | Up to 50 g peak |
| Output Signal | Voltage output proportional to vibration velocity |
| Power Requirement | 18–28 VDC constant current (2–10 mA) |
| Output Bias Voltage | +10 to +14 VDC |
| Transverse Sensitivity | <5% of primary axis response |
| Resonant Frequency | >15 kHz |
| Temperature Range (Operating) | -55°C to +120°C |
| Temperature Sensitivity | ±5% over the full temperature range |
| Shock Limit | 5,000 g peak |
| Mounting Method | Stud mounting or magnetic base (optional) |
| Electrical Connector | 2-pin MIL-style connector |
| Housing Material | Stainless steel, corrosion-resistant |
| Environmental Protection | Hermetically sealed, IP65 or better |
| Compatible Systems | Bently Nevada 3500, 3300, ADRE series |
| Sensor Diameter | 33 mm |
| Weight | 0.297 kg |
| Compliance | CE, RoHS, and ISO 9001 manufacturing standards |
Product Applications
The Bently Nevada 190501-18-00-00 Velomitor CT is a versatile transducer used for vibration monitoring and protection of a wide range of rotating and reciprocating machinery. It plays a vital role in predictive maintenance systems, helping to detect developing mechanical faults before they result in costly downtime or equipment damage.
Typical application areas include:
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Centrifugal and Reciprocating Compressors: For detecting imbalance, mechanical looseness, and bearing faults.
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Steam and Gas Turbines: Used to monitor casing vibration for early fault detection and overall machine protection.
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Pumps and Blowers: Detects cavitation, impeller wear, or motor misalignment through vibration velocity analysis.
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Electric Motors and Generators: Provides real-time monitoring of casing vibration to prevent mechanical failures.
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Gearboxes: Identifies gear mesh issues, misalignment, or bearing damage.
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Fans and Industrial Mixers: Ensures smooth operation by detecting imbalance and resonance issues.
The transducer’s compatibility with Bently Nevada 3500 monitoring systems allows for seamless integration into plant-wide monitoring networks. Its high accuracy and stability make it an essential component of any reliability-centered maintenance (RCM) strategy.
Product Advantages
The Bently Nevada 190501-18-00-00 offers multiple advantages that make it the preferred choice in industrial vibration monitoring systems. Its precision piezoelectric design ensures long-term reliability and minimal signal drift, even in demanding operational environments.
Key advantages include:
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Exceptional Measurement Accuracy: Provides precise velocity readings for reliable machinery diagnostics.
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Wide Frequency Range: Capable of detecting both low- and high-frequency vibration events.
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Rugged Construction: Stainless-steel housing ensures excellent protection against oil, dirt, and corrosive agents.
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Hermetically Sealed: Prevents moisture ingress and guarantees stable performance in harsh industrial areas.
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Low Transverse Sensitivity: Ensures accurate vibration measurement in the primary axis, minimizing errors.
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High Shock Resistance: Withstands mechanical shocks up to 5,000 g without affecting measurement integrity.
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Temperature Resilience: Stable performance across a wide temperature range, suitable for outdoor and process environments.
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Ease of Installation: Compact size and universal mounting design facilitate simple installation and maintenance.
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Full Compatibility: Seamless integration with Bently Nevada monitoring systems and data acquisition devices.
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Long-Term Operational Stability: Designed for continuous industrial use, reducing the need for recalibration or replacement.
FAQ
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What type of signal does the 190501-18-00-00 output?
It produces an analog voltage signal proportional to the vibration velocity of the machine casing, suitable for direct input to condition monitoring systems. -
Is this model compatible with Bently Nevada 3500 systems?
Yes, it integrates seamlessly with Bently Nevada 3500, 3300, and ADRE monitoring systems for comprehensive vibration analysis. -
What is the sensing mechanism used in this transducer?
The unit uses a piezoelectric sensing element that converts mechanical vibration into an electrical output signal with excellent linearity and stability. -
How does the transducer perform in high-temperature environments?
It is rated for continuous operation from -55°C to +120°C, with stable sensitivity across the entire temperature range. -
What power supply is required for operation?
The transducer requires a constant current power source between 2–10 mA and a voltage supply of 18–28 VDC. -
How should the transducer be mounted for optimal accuracy?
Stud mounting is recommended for permanent installations, while a magnetic base can be used for portable or temporary setups. -
What is the maximum shock level the sensor can withstand?
The 190501-18-00-00 can handle mechanical shocks up to 5,000 g peak without loss of calibration or function. -
Can this device be used in hazardous environments?
Yes, with appropriate system-level certification, it can be used in Class I, Division 2 or ATEX Zone 2 hazardous areas. -
Does the transducer require frequent recalibration?
No, the solid-state piezoelectric design ensures long-term calibration stability, reducing maintenance needs. -
What differentiates this version from other Velomitor CT models?
The 190501-18-00-00 offers optimized frequency response and enhanced shielding, making it ideal for high-noise industrial environments.
Recommended Related Models (Same Series or Compatible)
| Model | Description |
|---|---|
| 190501-00-00 | Standard Velomitor CT for general-purpose vibration monitoring |
| 190501-01-99-01 | Compact version for confined installation spaces |
| 190501-07-00 | High-temperature variant for turbine applications |
| 190501-12-00 | Low-sensitivity version for low-level vibration detection |
| 190501-18-00-00 | Current model with extended frequency and noise immunity |
| 190501-19-00-04 | Enhanced performance version with improved linearity and response |
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