190501-10-00-02 | Bently Nevada 3.94 mV/mm/s Velocity Transducer

Introduction to the 190501-10-00-02

When rotating machinery vibration threatens uptime, the 190501-10-00-02 provides accurate, repeatable measurements. This Bently Nevada Velomitor CT velocity transducer is engineered for industrial environments where reliability is non-negotiable. Its compact design and robust construction make it a practical choice for continuous monitoring.

As a maintenance engineer, you need sensors that perform consistently. The 190501-10-00-02 delivers with a sensitivity of 3.94 mV/mm/s (±5%). Therefore, you can trust the data it sends to your protection system.

Key Features and Technical Specifications

The 190501-10-00-02 is built to withstand harsh conditions. Its 316L stainless steel case resists corrosion, and the internal electronics are isolated from the case to prevent ground loops. Consequently, signal integrity remains high even in electrically noisy environments.

• 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).
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted).
• 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, 50-60 Hz.
• Weight: <297 g (10.5 oz.), typical.
• Mounting Surface: 33 mm diameter (1.3 in).
• 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).
• Maximum Cable Length: 305 metres (1,000 ft.) with cable part number 02173006.

One standout spec is the frequency response that extends from 3.0 Hz to 900 Hz with ±1.0 dB flatness. This wide range ensures accurate measurement of both low-speed and high-speed machinery vibrations. As a result, you can detect subtle changes before they become critical failures.

Applications and Use Cases

The 190501-10-00-02 is ideal for monitoring pumps, motors, fans, and compressors. In petrochemical plants, it helps track rotating equipment health. Similarly, in power generation, it provides essential data for turbine vibration monitoring. Because of its intrinsic safety approvals, it suits hazardous areas like Class I, Division 1 locations.

For maintenance teams, this transducer simplifies predictive maintenance routines. By continuously measuring velocity, you can trend vibration levels and schedule repairs proactively. Consequently, unplanned downtime decreases, and equipment life extends.

Installation and Setup

Proper mounting is critical for accurate readings. The 190501-10-00-02 uses a plate stud M6x1 to M6x1 with a 3/8-24 adapter. Therefore, ensure the mounting surface is clean and flat. Apply the specified mounting torque of 4.5 N-m ± 0.6 N-m to secure the transducer firmly.

The connection interface is a MIL-C-5015 2-pin connector. When wiring, verify that Pin A goes positive with respect to Pin B when velocity is from base to top. This polarity ensures correct phase interpretation. Also, the transducer can be mounted in any orientation, giving you flexibility in tight spaces.

For hazardous area installations, follow the drawing 167536. The agency approval option 02 includes CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1). Therefore, always adhere to local codes and the manufacturer's instructions.

Maintenance and Reliability

Routine inspection of the transducer and its cable is essential. Check for physical damage, loose connections, or corrosion. Because the case is 316L stainless steel, it resists rust, but the connector should be kept clean and dry.

The internal electronics are sealed, so no field calibration is needed. However, periodically verify the output bias voltage (10.1 Vdc ± 1.0 Vdc) to ensure the sensor is functioning correctly. If readings drift, consult the Bently Nevada manual or contact Petro Auto Tech for support.

Given its robust design, the 190501-10-00-02 offers long service life. With proper care, it can provide years of reliable data, reducing total cost of ownership.

Compatibility and Integration

The 190501-10-00-02 is designed to work with Bently Nevada monitoring systems. Its standard MIL-C-5015 connector and 305-meter cable length allow flexible integration. Therefore, it can be connected to existing protection racks or portable data collectors.

Although specific protocols are not listed, the analog output (velocity signal) is compatible with most vibration monitoring systems that accept standard transducer inputs. For detailed integration guidance, refer to the product manual or contact Petro Auto Tech.

Troubleshooting Common Issues

If you see no signal, first check the cable connection. A loose pin or broken wire is a common cause. Next, verify the bias voltage at the transducer. If it is outside 10.1 Vdc ± 1.0 Vdc, the internal electronics may be faulty.

Excessive noise in the signal could be due to ground loops. Since the internal electronics are isolated from the case, ensure the mounting stud does not create a ground path. Also, avoid routing the cable near high-voltage lines.

If readings are low, check the mounting torque. An under-torqued transducer will have reduced sensitivity. Re-torque to 4.5 N-m ± 0.6 N-m and re-test.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-10-00-02?

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

Q: What is the frequency response range?

A: The frequency response is 3.0 Hz to 900 Hz (180 to 54,000 cpm) with ±1.0 dB, and 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) with ±3.0 dB.

Q: What is the maximum cable length?

A: The maximum cable length is 305 metres (1,000 ft.) using cable part number 02173006.

Q: Can the 190501-10-00-02 be used in hazardous areas?

A: Yes, with agency approval option 02, it is certified for CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1).

Q: What is the operating temperature range?

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

Product Support and Availability

The 190501-10-00-02 is available from Petro Auto Tech. We stock this model and can ship promptly. For technical questions or ordering assistance, contact our team. We are here to help you keep your machinery running smoothly.