190501-21-00-01
Bently Nevada 190501-21-00-01 Velomitor CT Velocity Transducer
190501-21-00-01 is a Velomitor CT configuration with a 3/8-24 to 1/2-14 NPT mounting adapter, MIL-C-5015 connection interface and manufacturer approval option 01. Every value below is tied to this complete ordering code and is not copied from a similar suffix.
Confirmed Product Information
| Manufacturer | Bently Nevada, a Baker Hughes business |
| Product family | 190501 Velomitor CT low-frequency velocity transducer |
| Mounting hardware option 21 | Adapter, 3/8-24 to 1/2-14 NPT |
| Connection option 00 | MIL-C-5015 connection interface |
| Agency approval option 01 | Within the manufacturer approval group 01 through 04; verify the exact delivered certification marking |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s), ±5% |
| Frequency response | 3.0 to 900 Hz at ±1 dB; 1.5 Hz to 1.0 kHz at ±3 dB |
| Velocity range | 63.5 mm/s peak (2.5 in/s peak) |
| Amplitude linearity | ±2% to 63.5 mm/s peak |
| 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 | Less than 400 ohm typical |
| Operating temperature | -40°C to +85°C (-40°F to +185°F) |
| Case / connector | 316L stainless-steel case; 2-pin 316L stainless-steel MIL-C-5015 top connector |
| Mounting torque | 4.5 N·m ±0.6 N·m (40 in-lbf ±5 in-lbf) |
| Orientation | Any orientation |
Applications
Confirmed Compatibility And Installation Conditions
Lifecycle And Replacement Guidance
The current manufacturer datasheet continues to provide ordering information for the 190501 family and does not state a discontinuation date or universal replacement for 190501-21-00-01.
Frequently Asked Questions
Is 190501-21-00-01 suitable for cooling-tower fan vibration?
Yes, the Velomitor CT is specifically designed for low-frequency casing vibration on cooling-tower and air-cooled heat-exchanger fans operating at or above 90 rpm.
Which mounting interface is supplied with 190501-21-00-01?
Option 21 is a 3/8-24 to 1/2-14 NPT adapter; verify the machine mounting point and required engagement.
What connector and cable should be prepared for 190501-21-00-01?
The code uses the MIL-C-5015 connection interface. Confirm the mating cable, polarity, sealing and routing against the installation drawing.
Can another 190501 approval suffix replace option 01?
Only after checking the exact certification marking and destination requirements; the datasheet groups options 01 through 04 but does not make them universally interchangeable.
Where should 190501-21-00-01 be mounted for useful measurements?
Mount it on the bearing housing or machine casing at a location that continuously transmits rotor vibration; avoid flexible or structurally unrepresentative locations.
Model Identification
Use the complete identifier 190501-21-00-01. Hyphen placement, zero padding and every suffix field are significant; compare the full nameplate and purchase record before ordering.
Manufacturer References
Bently Nevada 190501 Velomitor CT Transducer Datasheet, document 141636 Rev. AF.
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PLC Leader provides sourcing support for current, surplus and hard-to-find PLC, DCS, drive, safety and condition-monitoring components used in industrial maintenance.
For every RFQ, our team checks the complete part number, requested condition, available documentation and order requirements before confirming supply terms.
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