190501-01-99-CN | Bently Nevada 3.94 mV/mm/s Velocity Transducer

Introduction to the 190501-01-99-CN

When machinery vibration threatens uptime, the 190501-01-99-CN from Bently Nevada provides accurate, real-time data. This Velomitor CT velocity transducer is engineered for industrial environments where precision matters. It delivers dependable performance for predictive maintenance programs.

This model features a stud mounting option and includes a 32-foot cable. The 190501-01-99-CN is built to withstand harsh conditions, making it a solid choice for rotating equipment monitoring.

Key Features and Technical Specifications

The 190501-01-99-CN offers a range of specifications that support accurate vibration measurement:

• 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 the 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 metres (1,000 ft.) of cable (part number 02173006) with no degradation of signal.

These specifications ensure the 190501-01-99-CN delivers consistent, reliable data for condition monitoring.

Environmental Durability

The 190501-01-99-CN is designed for demanding industrial settings. It operates within a wide temperature range and resists environmental stressors:

• 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.

This rugged construction helps maintain measurement integrity even in harsh environments.

Mechanical Specifications

The mechanical design of the 190501-01-99-CN supports flexible installation:

• 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-C-5015, 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.

These features make installation straightforward and adaptable to various machine configurations.

Applications and Use Cases

The 190501-01-99-CN is suitable for monitoring vibration on pumps, motors, fans, and other rotating equipment. Its frequency response covers a broad range, making it effective for detecting imbalance, misalignment, and bearing wear. Consequently, it supports condition-based maintenance strategies that reduce downtime.

Furthermore, the transducer's rugged design allows deployment in outdoor or washdown areas where moisture and temperature extremes are common. This versatility makes it a valuable asset for plant-wide monitoring programs.

Installation and Setup

Proper installation is crucial for accurate readings. The 190501-01-99-CN uses a 3/8-inch stud for mounting. Ensure the mounting surface is clean and flat to achieve optimal coupling. Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m to secure the transducer.

The included 32-foot cable provides flexibility in positioning. For longer runs, the transducer supports up to 305 meters of cable without signal degradation, using specified cable part number 02173006. Always follow the manufacturer's guidelines for wiring and grounding to maintain signal integrity.

Maintenance and Reliability

Regular inspection of the transducer and its mounting is essential. Check for any signs of physical damage or loosening. Periodically verify the output bias voltage to ensure the electronics are functioning correctly. The 190501-01-99-CN is designed for long-term reliability, but routine checks help prevent unexpected failures.

Given its stainless steel construction, the transducer resists corrosion, extending its service life. Consequently, it offers a cost-effective solution for continuous vibration monitoring.

Compatibility and Integration

The 190501-01-99-CN is a passive velocity transducer that outputs a voltage proportional to vibration velocity. It can interface with Bently Nevada monitoring systems and other data acquisition equipment that accept standard velocity transducer signals. For specific integration details, consult the official documentation or contact Petro Auto Tech.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-01-99-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: 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 mounting torque requirement?

A: The recommended mounting torque is 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf).

Product Support and Availability

The 190501-01-99-CN is available through Petro Auto Tech. Contact our team for current pricing and lead times. We are ready to assist with your vibration monitoring needs.