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

Introduction to the Bently Nevada 190501-01-00-01

When rotating machinery fails unexpectedly, the consequences ripple through production schedules and maintenance budgets. The 190501-01-00-01 from Bently Nevada addresses this challenge directly. This Velomitor CT velocity transducer provides accurate, repeatable vibration measurements that help you detect problems before they escalate.

Engineered for industrial environments, this transducer is part of the trusted Velomitor CT series. It offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, ensuring precise velocity readings. With a frequency response of 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB, it captures the critical vibration signatures of rotating equipment.

Key Features and Technical Specifications

The 190501-01-00-01 is built to perform under demanding conditions. Its robust design includes a 316L stainless steel case and connector, providing excellent corrosion resistance. The transducer operates across a wide temperature range, from -40°C to +85°C (-40°F to +185°F), making it suitable for harsh industrial settings.

• 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
• Temperature Range: -40°C to +85°C (-40°F to +185°F)
• Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B
• Dynamic Output Impedance: <400 Ω typical
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted)
• Shock Limit: 5000 g pk, maximum
• Humidity Limit: 100% condensing, non-submerged
• Case Material: 316L stainless steel
• Weight: <297 g (10.5 oz.), typical

One standout specification is the broadband base strain sensitivity of 0.43 mm/s/μstrain. This means the transducer minimizes false readings caused by mechanical strain on the mounting surface, giving you cleaner data for analysis.

Applications and Use Cases

In industries where rotating equipment is critical—such as power generation, oil and gas, and manufacturing—the 190501-01-00-01 excels. It is designed for permanent installation on machinery like pumps, fans, and motors. Because it measures absolute velocity, it is ideal for monitoring overall machine health and detecting imbalance, misalignment, and bearing wear.

Moreover, the transducer's intrinsically safe certifications (Ex ia IIC T4, AEx ia IIC T4) allow it to be used in hazardous areas classified as Class I, Division 1, Groups A, B, C, D. This makes it a reliable choice for environments where flammable gases or vapors may be present.

Installation and Mounting

Proper installation is key to obtaining accurate vibration data. The 190501-01-00-01 comes with a stud mounting option (3/8-in 24 to 3/8-in 24) and a MIL-C-5015 connection interface. Follow these guidelines:

• Mount the transducer on a flat, clean surface to ensure good contact.
• Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).
• Orient the transducer so that Pin A goes positive with respect to Pin B when velocity is from base to top.
• For hazardous area installations, follow the drawing 167536 as specified in the datasheet.

Always refer to the Bently Nevada installation manual for detailed instructions specific to your application.

Maintenance and Reliability

Routine maintenance of the 190501-01-00-01 is straightforward. Because the internal electronics are isolated from the case, the transducer is less susceptible to ground loops and electrical interference. Periodically inspect the mounting integrity and the condition of the cable. The maximum cable length is 305 metres (1,000 ft.) without signal degradation, giving you flexibility in placement.

The transducer's robust construction and wide operating temperature range contribute to long service life. By investing in this reliable sensor, you reduce the risk of unplanned downtime and extend the life of your machinery.

Compatibility and Integration

The 190501-01-00-01 is designed to work seamlessly with Bently Nevada monitoring systems. Its output bias voltage of 10.1 Vdc ± 1.0 Vdc is compatible with standard vibration monitoring modules. The MIL-C-5015 connector ensures a secure and reliable electrical connection.

For integration into existing systems, confirm that your monitoring equipment accepts the transducer's sensitivity and frequency response. The transducer's low output impedance (<400 Ω) allows for long cable runs without signal loss.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-01-00-01?

A: The sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%, providing accurate velocity measurements.

Q: Can the 190501-01-00-01 be used in hazardous areas?

A: Yes, it has intrinsic safety certifications including Ex ia IIC T4 and AEx ia IIC T4, suitable for Class I, Division 1, Groups A, B, C, D.

Q: What is the maximum cable length for this transducer?

A: The maximum cable length is 305 metres (1,000 ft.) without signal degradation.

Q: What is the operating temperature range?

A: It operates from -40°C to +85°C (-40°F to +185°F).

Q: What mounting torque is recommended?

A: Use 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf) for proper installation.

Product Support and Availability

At Petro Auto Tech, we stock the 190501-01-00-01 and are ready to ship. Our team can assist with technical questions and help you select the right transducer for your application. Contact us for current availability and lead times.