190501-21-99-00 | Bently Nevada Velomitor CT Velocity Transducer

in stock#

Brand/ Manufacturer:
Bently Nevada
Dimensions:
8.3x3.5x3.2cm
Weight:
0.3kg
Country of Origin: :
USA
Description:
Bently Nevada 190501-21-99-00 Velomitor CT Velocity Transducer

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Mfr. Part Number:	190501-21-99-00

Manufacturer:	Bently Nevada

Description:	Bently Nevada 190501-21-99-00 Velomitor CT Velocity Transducer

Full Description:	The Velomitor CT Velocity Transducer is a low-frequency version of our standard Velomitor Piezo-velocity Sensor.

Status:	In stock

Click to get price : : plcinfo@mooreplc.com : +86 18020776786 : mooreplc

Moore Automation Limited is not affiliated with or a distributor for Bently Nevada. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.

Product Description:

The device number 190501-21-99-00 is a Bently Nevada Velomitor CT speed sensor. This sensor utilizes piezoelectric velocity sensing technology and is specifically designed for low-speed rotating equipment such as cooling tower and air-cooled heat exchanger fans. It is suitable for speeds of 90 rpm (1.5 Hz) and above, and can measure the vibration frequency generated by the fan body, motor, and reduction gears.

Application:

Cooling Tower Fan Monitoring: The transducer is purpose-built for measuring casing vibration on cooling tower fan assemblies, detecting unbalance and misalignment at low rotational speeds.
Air-Cooled Heat Exchanger (ACHE) Fan Surveillance: It enables continuous condition monitoring of air-cooled heat-exchanger fans to identify mechanical faults before they lead to costly downtime.
Slow-Speed Rotating Machinery Protection: With its low-frequency response starting at 1.5 Hz, the sensor is ideal for protecting large-diameter, slow-speed industrial fans and blowers in process plants.
Petrochemical and Refinery Asset Management: The hazardous area approvals and robust stainless steel construction make it suitable for vibration monitoring in petrochemical, refining, and other heavy industrial environments where explosion protection is required.

Frequently Asked Questions (FAQ)

Q: What is the operating frequency range of this transducer?
A:It is optimized for low-frequency applications from 1.5 Hz to 1 kHz, making it ideal for slow-speed rotating machinery in the 90 to 300 rpm range.
Q: What is the sensitivity of the 190501-21-99-00 model?
A:The transducer provides a sensitivity of 100 mV/(in/s) peak, with a 10–24 VDC power supply and 5 mA maximum current consumption.

Q:Is this transducer suitable for hazardous area installations?
A:Yes, it carries ATEX/IECEx certifications including Ex ia IIC T4 Ga for Zone 0/1 and Ex tc IIIC T130°C Dc for dust environments, with an operating temperature range from -55°C to +121°C.

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Detailed Parameter	Part Number：190501-21-99-00
Mounting Hardware Option	Adapter, 3/8-in 24 to 1/2-in 14 NPT
Connection Option	Unit with included 32-foot cable
Sensitivity	3.94 mV/mm/s (100 mV/in/s) ±5%
Temperature Sensitivity	-8% to +5% typical over the operating temperature range
Transverse Response	Less than 5% of the axial sensitivity
Dynamic Output Impedance	<400 Ω typical
Operating Temperature	-40°C to +85°C (-40°F to +185°F)
Storage Temperature	-40°C to +100°C (-40°F to +212°F)
Base Strain Sensitivity	0.43 mm/s/μstrain (0.017 in/s/μstrain)
Agency Approval Option	No Approvals

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