190501-09-00-CN | Bently Nevada Velocity Transducer

Introduction to the Bently Nevada 190501-09-00-CN

When rotating machinery experiences unexpected vibration, unplanned downtime can follow. The 190501-09-00-CN from Bently Nevada provides a reliable solution for continuous velocity monitoring. This Velomitor CT velocity transducer is engineered to capture vibration data accurately, helping maintenance teams detect issues early and avoid costly failures. With its rugged design and precise sensitivity, it supports condition monitoring programs across industrial facilities.

Key Features and Technical Specifications

The 190501-09-00-CN is built to deliver consistent performance in demanding environments. Below are the core specifications:

• 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.
• Temperature Sensitivity: -8% to +5% typical over the operating temperature range.
• Transverse Response: Less than 5% of axial sensitivity.
• Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk).
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted, except quick disconnect).
• 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).
• Grounding: Internal electronics isolated from case.
• Maximum Cable Length: 305 meters (1,000 ft.) of cable (part number 02173006) with no degradation of signal.

These specifications ensure accurate vibration measurement, which is critical for predictive maintenance and asset protection.

Applications and Use Cases

The 190501-09-00-CN is ideal for monitoring rotating equipment such as pumps, motors, fans, and compressors. In a typical scenario, a plant engineer installs this transducer on a critical pump to track vibration levels. The data helps identify imbalance, misalignment, or bearing wear before they escalate. Consequently, maintenance teams can schedule repairs during planned outages, reducing unplanned downtime and extending equipment life. Additionally, the transducer's wide frequency response makes it suitable for both low-speed and high-speed machinery.

Installation and Setup

Proper installation is essential for accurate readings. The 190501-09-00-CN comes with a plate stud mounting option (3/8-in 24 to 1/4-in NPT) and a MIL-C-5015 connection interface. Follow these general steps:

• Prepare the mounting surface to ensure a clean, flat contact area.
• Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf).
• Connect the cable to the 2-pin MIL-C-5015 connector, ensuring proper pin orientation.
• Verify that Pin A goes positive with respect to Pin B when velocity is from base to top.

Always refer to the manufacturer's manual for detailed wiring and configuration instructions.

Maintenance and Reliability

Routine inspection of the transducer and its mounting is recommended to ensure long-term reliability. Check for any signs of physical damage or loose connections. The 316L stainless steel case provides excellent corrosion resistance, making it suitable for harsh environments. The unit operates over a wide temperature range (-40°C to +85°C) and can withstand shock up to 5000 g pk. By monitoring vibration trends, you can detect developing faults early, thereby reducing maintenance costs and improving asset availability.

Compatibility and Integration

The 190501-09-00-CN is designed to integrate seamlessly with Bently Nevada monitoring systems. Its analog output (sensitivity 3.94 mV/mm/s) is compatible with standard vibration monitoring modules. For installations requiring long cable runs, the transducer supports up to 305 meters of cable without signal degradation. This flexibility allows for placement in remote or hard-to-reach locations.

Environmental and Safety Approvals

The transducer is available with country-specific agency approval (CN). For hazardous areas, versions with intrinsic safety approvals (Ex ia IIC T4 and AEx ia IIC T4) are available, but the 190501-09-00-CN specifically has the CN option. Always verify the approval rating for your specific application.

FAQs about the 190501-09-00-CN

Q: What is the sensitivity of the 190501-09-00-CN?

A: The sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%.

Q: What is the operating temperature range?

A: The operating temperature range is -40°C to +85°C (-40°F to +185°F).

Q: Can the transducer be mounted in any orientation?

A: Yes, the mounting angle can be any orientation.

Q: What is the maximum cable length?

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

Q: What is the output bias voltage?

A: The output bias voltage is 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.

Product Support and Availability

The 190501-09-00-CN is available through Petro Auto Tech. Contact our team to check current stock and lead times. We are committed to providing genuine industrial automation parts to support your operations.