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BENTLY NEVADA 190501-09-00-04 Velomitor CT Low-Frequency Vibration Transducer

BENTLY NEVADA 190501-09-00-04 Velomitor CT Low-Frequency Vibration Transducer

BENTLY NEVADA
190501-
09-00-04
VELOMITOR CT
Low-frequency vibration velocity sensor for machinery condition monitoring.
〰 VIBRATION
◉ VELOCITY
⌁ MACHINE HEALTH
SIGNAL CHARACTERISTICS
SENSITIVITY
100 mV
per in/s · ±5%
FREQUENCY RANGE
3–900 Hz
±1 dB response
LOW-SPEED MONITORING
A low-frequency response option is available to measure vibration on equipment operating at speeds as low as 90 rpm.
SALES MANAGER
Miya Zheng
✉ EMAIL SALES ☏ WHATSAPP
 
BENTLY NEVADA / VELOCITY SENSING
190501-09-00-04
Velomitor CT Low-Frequency Vibration Transducer
Designed for casing vibration measurement on low-speed rotating machinery, including cooling-tower fan assemblies and air-cooled heat exchangers.
01 / SENSOR RESPONSE
3.94 mV/mm/s
Nominal sensitivity: 100 mV/in/s, ±5%.
 
02 / FREQUENCY RESPONSE
3–900 Hz
±1.0 dB response range; extended low-frequency response is available to 1.5 Hz at ±3.0 dB.
Built for Low-Speed Machine Insight

The Velomitor CT is a piezoelectric velocity transducer with integrated electronics. It converts vibration-related motion into a velocity-proportional electrical signal for a compatible monitoring input.

Its low-frequency response is particularly relevant when cooling-tower fans or air-cooled heat-exchanger fans run at comparatively low rotational speeds. The sensor can capture casing vibration associated with fan, motor and speed-reducer operation.

Measurement type Casing vibration velocity
Sensor technology Piezoelectric sensing with integrated electronics
Linearity ±2% up to 63.5 mm/s peak
Operating temperature −40°C to +85°C
Housing material 316L stainless steel
Mounting surface 33 mm diameter
Physical height 82 mm
Electrical connection 2-pin MIL-C-5015 connector; verify the exact ordering suffix before replacement.
Application Fit

Cooling-tower fan bearings, air-cooled heat-exchanger fan assemblies, motor housings and other rotating equipment where casing vibration velocity is the required measurement.

For replacement work, confirm mounting thread, connector arrangement, hazardous-area approval requirements and monitor input compatibility before ordering.

Choose the Right Measurement Method
Series & System Relationship
Device / family Measurement focus Selection consideration
190501 Velomitor CT Casing vibration velocity Low-frequency response for low-speed fan machinery.
330500 Velomitor General piezo-velocity sensing Compare frequency requirements; do not assume identical low-frequency performance.
3300 XL proximity system Shaft-relative vibration and position Uses an eddy-current probe, extension cable and Proximitor sensor; it is a different measurement method.
System reminder: the 190501 is not a standalone 4–20 mA transmitter. Confirm the compatible monitoring input and signal-conditioning arrangement for the intended installation.
Industrial Supply, Ready for Your Next Maintenance Window
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Request a Part Check or Quotation

Send the full part number, quantity, destination and required date to help us check the correct configuration.

Sales Manager Miya Zheng
Email sales@amikon.cn
Phone / WhatsApp +86 180 2077 6792 — Contact Sales
Order Support
Delivery: typically 3–5 days, subject to stock and confirmation.
Warranty: 12 months, subject to the confirmed sales terms.
Shipping options: FedEx, EMS, TNT, DHL or UPS, as available.
Payment: T/T.
Returns & Replacement

Contact us within 7 days of receipt if an issue arises. Returned items must remain in their original condition, with the reason for return clearly stated. A return or replacement will be arranged after the goods are received and checked. Return shipping costs are the buyer's responsibility.

190501-09-00-04 — Buyer Questions
Q1. Can 190501-09-00-04 monitor a cooling-tower fan running at low speed?

The Velomitor CT family is designed with a lower-frequency response for low-speed fan machinery. Check the actual operating frequency and required monitoring bandwidth against the application.

Q2. Can 190501-09-00-04 directly replace a 330500 sensor?

Not automatically. Both belong to the piezo-velocity sensor family, but the CT version emphasizes low-frequency response. Verify the measurement band, mounting and monitoring interface before substitution.

Q3. What should be checked before connecting 190501-09-00-04 to a monitor?

Confirm the input accepts the sensor's sensitivity and electrical characteristics, and verify connector pinout, cable arrangement and any required signal conditioning.

Q4. Is 190501-09-00-04 suitable for a 4–20 mA PLC input?

The transducer provides a vibration-proportional sensor signal rather than a standard 4–20 mA output. A compatible monitor or signal-conditioning device may be required.

Q5. Which details are important when ordering 190501-09-00-04 as a replacement?

Confirm the complete part number, connector and mounting configuration, operating environment, required approvals and compatibility with the existing vibration monitoring channel.

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