190501-11-00-00 Bently Nevada Velomitor CT Velocity Transducer
Description
The Bently Nevada 190501‑11‑00‑00 is a variant of the Velomitor CT line of velocity transducers, which are designed especially for low‑frequency vibration velocity
measurement in machinery housings/casings.It is a “low‑frequency version of our standard Velomitor piezo‑velocity sensor”.It is primarily intended for use on
equipment such as cooling towers and air‑cooled heat exchanger fan assemblies that operate at or above
around 90 rpm (typical 100‑300 rpm) and their associated casings.
190501-11-00-00 Details
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FAQ
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Q1. What does the part number “190501‑11‑00‑00” signify?
A: The base number “190501” identifies the Velomitor CT Velocity Transducer family. The next digits (‑11) typically specify the
mounting hardware option (for example, stud or plate mounting), then (‑00) might specify the connection option
(e.g., MIL‑C‑5015 or other), and the last (‑00) may indicate agency approvals or special options. Always
check the full datasheet/ordering information for exact variant details.
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Q2. What is the sensitivity and output type?
A: The typical sensitivity is ~100 mV per in/s (which is ~3.94 mV per mm/s). This means for each in/s of
vibration velocity you get ~100 mV of output. For metric: ~4 mV/mm/s. The output is an
analog voltage from the piezoelectric velocity sensor.
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Q3. What frequency range does it cover, and why is that important?
A: The transducer covers down to ~1.5 Hz (±3 dB) or ~3.0 Hz (±1 dB) up to about 900–1,000 Hz. The
low‑frequency coverage is significant because many fan/cooling‑tower machines run at slow
speeds (e.g., 90 rpm = 1.5 Hz) and standard velocity transducers might not
adequately capture those low vibration frequencies.
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Inquiry now: miya@mvme.cn
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