190501-07-00-01 | Bently Nevada Velomitor CT Velocity Transducer

Why Choose the Bently Nevada 190501-07-00-01?

When industrial machinery operates in harsh environments, accurate vibration measurement is critical to prevent unexpected failures. The 190501-07-00-01 from Bently Nevada is a Velomitor CT velocity transducer engineered to deliver dependable performance in demanding applications. With its rugged construction and certified intrinsic safety, this transducer provides the data you need to keep rotating equipment running smoothly.

Key Features and Technical Specifications

The 190501-07-00-01 offers a range of specifications that ensure precise and reliable operation. Below are the key parameters 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: 0.229 mm/s (0.009 in/s) pk.
• Base Strain Sensitivity: 0.43 mm/s/μstrain (0.017 in/s/μstrain).
• Operating Temperature: -40°C to +85°C (-40°F to +185°F).
• Storage Temperature: -40°C to +100°C (-40°F to +212°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, 50-60 Hz.
• Weight: <297 g (10.5 oz.), typical.
• Mounting Surface: 33 mm diameter (1.3 in diameter).
• Height: 82 mm (3.2 in).
• 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).
• Polarity: Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer.
• Mounting Angle: Any orientation.

One distinctive feature is the mounted resonant frequency of 9 kHz minimum (stud mounted, except quick disconnect), which ensures a wide measurement range and accurate response in high-frequency applications.

Applications and Use Cases

The 190501-07-00-01 is ideal for vibration monitoring on pumps, fans, compressors, and other rotating machinery. Its intrinsic safety approvals (Ex ia IIC T4, AEx ia IIC T4) make it suitable for hazardous locations classified as Class I, Division 1, Groups A, B, C, D; Class II, Groups E, F, G; and Class III. Additionally, the non-incendive ratings (Ex nL IIC T4, AEx nA T4) allow use in Class I, Division 2 environments. This versatility ensures reliable operation across a wide range of industrial settings.

Installation and Setup

Proper installation is essential for accurate measurements. The transducer features a plate stud mounting option (3/8-in 24 to 3/8-in 24) and a MIL-C-5015 connection interface. The mounting torque should be 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf) to ensure secure attachment. The transducer can be mounted in any orientation, offering flexibility in tight spaces. For hazardous areas, follow the installation drawing 167536 to maintain intrinsic safety compliance.

Maintenance and Reliability

Routine inspection of the transducer and its mounting is recommended to ensure long-term reliability. The stainless steel case (316L) provides excellent corrosion resistance, and the internal electronics are isolated from the case, reducing the risk of ground loops. With a maximum cable length of 305 meters (1,000 ft.) using part number 02173006, the signal remains intact even over long distances. Regular checks on cable condition and connector integrity help prevent signal degradation.

Compatibility and Integration

The 190501-07-00-01 outputs a velocity signal that is compatible with most Bently Nevada monitoring systems. Its low output impedance (<400 Ω) ensures easy integration with data acquisition systems. The MIL-C-5015 connector is a standard interface, simplifying replacement or retrofitting in existing installations.

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%, ensuring accurate velocity measurement.

Q: What are the agency approvals for this transducer?

A: It has CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1) approvals, making it suitable for hazardous areas.

Q: Can the transducer be mounted in any orientation?

A: Yes, the mounting angle is any orientation, providing flexibility for various installation scenarios.

Q: What is the maximum cable length?

A: The maximum cable length is 305 meters (1,000 ft.) using part number 02173006, with no signal degradation.

Product Support and Availability

The 190501-07-00-01 is available from Petro Auto Tech, a trusted industrial automation parts supplier. For current lifecycle status and availability, please contact Petro Auto Tech before ordering. Our team is ready to assist with your vibration monitoring needs.