190501-02-00-01 | Bently Nevada 3.94 mV/mm/s Velomitor CT

Why Choose the 190501-02-00-01 Velomitor CT?

When unplanned downtime threatens your production line, the 190501-02-00-01 from Bently Nevada provides the precise vibration data you need to act before failures escalate. This velocity transducer is engineered for continuous monitoring in demanding industrial environments, offering a robust design that withstands harsh conditions while delivering accurate, repeatable measurements.

With a sensitivity of 3.94 mV/mm/s (±5%), the 190501-02-00-01 captures subtle changes in machinery vibration, enabling early detection of bearing wear, imbalance, or misalignment. Its frequency response spans 3.0 Hz to 900 Hz (±1.0 dB) and extends to 1.5 Hz to 1.0 kHz (±3.0 dB), covering the critical range for most rotating equipment.

Key Features and Technical 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.
• Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.
• Dynamic Output Impedance: <400 Ω typical.
• Broadband Noise: 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, except quick disconnect).
• Operating Temperature: -40°C to +85°C (-40°F to +185°F).
• Shock Limit: 5000 g pk maximum.
• Humidity Limit: 100% condensing, non-submerged.
• Case Material: 316L stainless steel.
• Weight: 0.297 kg (10.5 oz) typical.

The transducer's internal electronics are isolated from the case, reducing ground loop interference and enhancing signal integrity. Its maximum cable length of 305 metres (1,000 ft.) with part number 02173006 ensures no signal degradation, offering flexibility in installation layouts.

Real-World Applications and Benefits

In industries such as power generation, oil and gas, and manufacturing, the 190501-02-00-01 excels at monitoring pumps, motors, fans, and compressors. Its ability to operate in 100% condensing humidity and withstand 5000 g shock makes it suitable for harsh environments like offshore platforms or heavy machinery.

For example, a chemical plant using this transducer on critical agitators can detect early bearing faults, avoiding costly production halts. The transducer's transverse response of less than 5% of axial sensitivity ensures accurate readings even when vibrations occur in multiple planes.

Installation and Mounting Guidance

The 190501-02-00-01 features a stud mounting option (3/8-in 24 to 1/2-in 20) and a MIL-C-5015 connection interface. Mounting torque should be 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf). The transducer can be mounted in any orientation, simplifying installation in tight spaces.

Ensure the mounting surface is clean and flat to achieve optimal frequency response. For hazardous areas, the unit carries agency approvals including CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1). Refer to the official installation drawing 167536 for intrinsic safety requirements.

Maintenance and Reliability

Routine inspection of the transducer and its cabling is recommended to ensure long-term reliability. Check for physical damage, loose connections, or moisture ingress. The 316L stainless steel case provides excellent corrosion resistance, reducing maintenance frequency.

Because the internal electronics are isolated, the risk of ground loops is minimized, enhancing measurement stability. With proper care, this transducer offers extended service life, reducing total cost of ownership.

Compatibility and Integration

The 190501-02-00-01 is compatible with Bently Nevada monitoring systems that accept velocity transducer inputs. Its 10.1 Vdc bias voltage and low output impedance allow direct connection to standard vibration monitoring modules.

For new installations, verify that the monitoring system supports the transducer's sensitivity and frequency range. The MIL-C-5015 connector ensures a secure, industry-standard interface.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-02-00-01?

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

Q: What is the operating temperature range?

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

Q: Can it be used in hazardous areas?

A: Yes, it has CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1) approvals.

Q: What is the maximum cable length?

A: Up to 305 metres (1,000 ft.) with cable part number 02173006 without signal degradation.

Q: What is the mounting torque requirement?

A: 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf).

Product Support and Availability

The 190501-02-00-01 is available from Petro Auto Tech, a trusted industrial automation parts supplier. Contact our team for current pricing and lead times. We are ready to assist with your vibration monitoring needs.