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190501-07-00-01 | Bently Nevada Velocity Transducer
Introduction to the 190501-07-00-01 Velomitor CT
When rotating machinery experiences unbalance, misalignment, or bearing wear, the resulting vibration can lead to costly downtime and equipment damage. The 190501-07-00-01 from Bently Nevada provides a dependable solution for continuous velocity monitoring. This Velomitor CT velocity transducer is engineered to detect and measure vibration accurately, helping you maintain operational efficiency and extend asset life.
Part of the Bently Nevada Velomitor family, this transducer is designed for industrial environments where reliability is non-negotiable. With a sensitivity of 3.94 mV/mm/s (±5%), it delivers precise velocity readings across a broad frequency range. Its rugged construction and agency approvals make it suitable for hazardous areas, ensuring safe operation in demanding applications.

Key Features and Technical Specifications
The 190501-07-00-01 offers a robust set of features that support accurate vibration measurement. Below are the core specifications extracted from the official datasheet:
- Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5%.
- Frequency Response: 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB; 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB.
- Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.
- Dynamic Output Impedance: <400 Ω typical.
- Broadband Noise: 0.229 mm/s (0.009 in/s) pk.
- Base Strain Sensitivity: 0.43 mm/s/μstrain (0.017 in/s/μstrain).
- Maximum Cable Length: 305 metres (1,000 ft.) with part number 02173006 cable, no signal degradation.
- Operating Temperature: -40°C to +85°C (-40°F to +185°F).
- Shock Limit: 5000 g pk, maximum.
- Humidity Limit: 100% condensing, non-submerged.
- Magnetic Field Susceptibility: <0.0068 mm/s/gauss (0.268 mil/s/gauss) @ 50 gauss, 50-60Hz.
- Case Material: 316L stainless steel.
- Connector: 2-pin 316L stainless steel MIL-C5015, top.
- Mounting Torque: 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).
- Weight: 0.297 kg (10.5 oz).
One distinctive feature is the transverse response, which is less than 5% of axial sensitivity. This ensures that the transducer primarily measures the intended axis, reducing cross-axis errors that could otherwise distort vibration readings. Additionally, the internal electronics are isolated from the case, providing excellent noise immunity and grounding flexibility.
Applications and Use Cases
The 190501-07-00-01 is ideal for monitoring vibration in rotating equipment such as pumps, fans, compressors, and motors. Its wide frequency response captures both low-speed and high-speed machinery dynamics, making it a versatile choice for predictive maintenance programs.
For example, in a chemical processing plant, the transducer can be installed on a critical pump to detect early signs of bearing degradation. By continuously monitoring velocity, maintenance teams can schedule repairs before a catastrophic failure occurs, minimizing unplanned downtime and reducing repair costs.
Furthermore, the transducer's hazardous area approvals (ATEX/IECEx/CSA) allow installation in explosive atmospheres, such as oil and gas facilities, where safety is paramount. Its 316L stainless steel construction withstands corrosive environments, ensuring long-term reliability.

Installation and Setup
Proper installation is crucial for accurate vibration measurement. The 190501-07-00-01 features a plate stud mounting option (3/8-in 24 to 3/8-in 24) and a MIL-C-5015 connection interface. The transducer can be mounted in any orientation, offering flexibility in tight spaces.
When mounting, apply the specified torque of 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf) to ensure a secure and stable connection. The mounting surface should be clean and flat to achieve optimal coupling. For best results, follow the installation drawing 167536, which is referenced in the datasheet for hazardous area installations.
Additionally, the maximum cable length of 305 metres (1,000 ft.) allows remote monitoring without signal degradation, provided the specified cable (part number 02173006) is used. This flexibility simplifies installation in large facilities.
Maintenance and Reliability
Routine maintenance of the 190501-07-00-01 is straightforward. Because the transducer has no moving parts, it requires minimal upkeep. However, periodic inspection is recommended to verify that the mounting remains secure and that the cable connections are intact.
Environmental factors such as temperature extremes, humidity, and magnetic fields are accounted for in the design. The transducer operates reliably from -40°C to +85°C and can withstand 100% condensing humidity without submersion. Its shock limit of 5000 g pk ensures resilience against mechanical impacts.
By incorporating this transducer into a routine vibration monitoring program, you can detect developing faults early, thereby reducing maintenance costs and extending machinery life. This proactive approach aligns with cost-benefit objectives by minimizing unplanned outages.
Compatibility and Integration
The 190501-07-00-01 is designed to interface with Bently Nevada monitoring systems and other data acquisition equipment that accept standard velocity transducer signals. Its output bias voltage of 10.1 Vdc and dynamic output impedance of <400 Ω make it compatible with most industrial vibration monitoring modules.
For seamless integration, ensure that the monitoring system is configured to match the transducer's sensitivity and frequency response. The transducer's grounding isolation allows flexible grounding schemes, reducing the risk of ground loops.
Frequently Asked Questions
Q: What is the sensitivity of the 190501-07-00-01?
A: The sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%.
Q: Can the 190501-07-00-01 be used in hazardous areas?
A: Yes, it has ATEX/IECEx/CSA approvals for Class I, Division 1 and Zone 0/1 applications.
Q: What is the maximum cable length for the 190501-07-00-01?
A: The maximum cable length is 305 metres (1,000 ft.) using cable part number 02173006, with no signal degradation.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to +85°C (-40°F to +185°F).
Q: How should the 190501-07-00-01 be mounted?
A: It uses a plate stud mounting (3/8-in 24) and can be oriented in any direction. Apply 4.5 N-m ± 0.6 N-m torque.
Product Support and Availability
The 190501-07-00-01 is available through Petro Auto Tech, a trusted industrial automation parts supplier. We maintain a ready inventory to support your maintenance and upgrade needs. Contact our team for current availability and pricing.
| Part Number | 190501-07-00-01 |
| Condition | In Stock |
| Stock Status | In Stock (Ready to Ship) |
| Weight | 0.5 kg |
| Warranty | 12 Month |
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