330500-00-00
330500-00-00
330500-00-00
330500-00-00
330500-00-00
330500-00-00
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330500-00-00

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Bently Nevada 330500-00-00 is an integrating piezo-velocity sensor for absolute bearing-housing, casing, and structural vibration measurement.
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Technical specifications for 330500-00-00

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330500-00-00
  • Product Family:
    330500 Velomitor Piezo-velocity Sensor
  • Product Type:
    330500 Velomitor Piezo-velocity Sensor
  • Stock:
    1
  • Mounting Adapter:
    no mounting adapter
  • Sensitivity:
    100 mV/in/s +/-5%
  • Frequency Response:
    4.5 Hz to 5 kHz +/-3.0 dB
  • Velocity Range:
    50 in/s peak
  • Connector:
    2-pin MIL-C-5015 hermetically sealed
  • Case Material:
    316L stainless steel
  • Operating Temperature:
    -55 to +121 deg C
  • Agency Approval:
    agency approval not required
  • Weight:
    0.142 kg
  • Estimated shipping dimensions:
    2.53x2.53x6.32cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Signal Mounting Interface Product Applications

Features:

  • Sensor architecture: an integrating piezoelectric element and embedded electronics provide a native velocity signal.
  • Measurement perspective: the sensor measures absolute vibration relative to free space at the machine surface.
  • Machine fit: the 330500 family is designed for condition monitoring where velocity units are useful on rolling-element-bearing machinery.
Selection decision: Use the sensor where bearing-housing, casing, or structural motion provides a meaningful view of machine condition.

Interface decision: Evaluate the monitor input, signal bias, polarity, and cable as one measurement chain.

Application decision: Confirm that the chosen mounting point transmits the rotor behaviour that the monitoring strategy is intended to observe.
Apter Power supports Bently Nevada 330500-00-00 330500 Velomitor Piezo-velocity Sensor sourcing with quotations, technical documents, and configuration review.
Bently Nevada 330500-00-00 330500 Velomitor Piezo-velocity Sensor Manuals,Datasheets,Link Important Notice: Use the complete 330500-00-00 order code when requesting documents or a quotation.
  • Native measurement: embedded electronics convert the piezoelectric element response into a velocity output at the sensor.
  • Bias reference: output bias is -12 +/-3 VDC over temperature, referenced to Pin A.
  • Grounding: case-isolated construction helps separate the sensor body from the signal reference.
  • Noise floor: broadband noise is 0.004 mm/s rms nominal over the 4.5 Hz to 5 kHz band.
  • Adapter scope: the first 00 code means no mounting-thread adapter is supplied with this configuration.
  • Mounting load: the manufacturer specifies 32-46 kg cm (24-40 in-lb) maximum mounting torque.
  • Orientation: solid-state construction supports vertical, horizontal, or another suitable mounting angle.
  • Environmental seal: the hermetically sealed case is rated for 100% relative humidity when not submerged.
  • Connector polarity: motion toward the connector makes Pin A positive with respect to Pin B.
  • Cable reach: up to 305 m of manufacturer cable 02173006 is specified without signal degradation.
  • Recommended length: 63 m is the stated recommendation under the datasheet's 50 g, 10 kHz, and 200 pF/m cable assumptions.
  • Channel setup: confirm the receiving input supports the sensor's negative bias and 100 mV/in/s velocity scale.
  • Rolling-element machinery: supports velocity-based condition monitoring on machines with rolling-element bearings.
  • Bearing housings: measures absolute vibration at rigid bearing-housing locations.
  • Machine casings: provides casing-velocity data where the structure transmits useful rotor behaviour.
  • Structural monitoring: suits fixed structural points where vibration in velocity units supports trending and protection decisions.
Description
330500-00-00 is a Bently Nevada 330500 Velomitor integrating piezo-accelerometer for measuring absolute bearing-housing, casing, and structural vibration. Its internal electronics provide a velocity output that suits condition-monitoring tasks on machinery with rolling-element bearings.

The order code 330500-00-00 specifies the base sensor without a mounting-thread adapter and with agency approval not required. Its solid-state construction has no moving parts, allowing the sensor to operate vertically, horizontally, or at another suitable orientation on a rigid machine surface.

For replacement or new application planning, 330500-00-00 should be matched to the monitor input, cable, mounting thread, and expected vibration range as one signal chain. Apter Power can support exact-model quotations, document matching, and practical configuration review for an installed Bently Nevada monitoring system.
Alternative Names
Bently Nevada 330500-00-00 Baker Hughes 330500-00-00 Baker Hughes Bently Nevada 330500-00-00 Bently 330500-00-00 330500 00 00 330500-0000 3305000000 330500-00-00 Velomitor
Technical notes
For 330500-00-00, Baker Hughes notes that integrating the velocity output into displacement can amplify electrical interference and transducer-circuit noise. To preserve measurement quality, Apter Power recommends using the native velocity signal unless the complete monitoring chain has been engineered and verified for displacement integration.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Is 330500-00-00 compatible with a Bently Nevada 3500/42M velocity input?
The 330500 Velomitor is an established sensor type for the 3500/42M, but channel programming, I/O termination, cable condition, and the installed monitor revision should still be checked together. Apter Power can help compare the existing channel record with the requested sensor before quotation.
Why can 330500-00-00 show a low reading even when the sensor is healthy?
A casing-mounted sensor can only report the vibration that reaches its mounting point. A weak structural transmission path, flexible bracket, unsuitable location, or poor surface contact can reduce the measured response even when the sensor electronics remain serviceable.
What should be checked when 330500-00-00 produces a noisy or intermittent signal?
We recommend reviewing connector condition, pin contact, shield continuity, cable routing, channel bias, and local grounding as one circuit. Comparing the bias voltage and signal behaviour with the previous installation can help separate a wiring issue from a sensor or monitor-channel issue.
Can 330500-00-00 be used where hazardous-area certification is required?
The second 00 code identifies the option for which agency approval is not required. If the installation requires a certified hazardous-area sensor, Apter Power recommends selecting the appropriate approved suffix and checking the site certificate requirements before purchase.
Is 330500-00-00 suitable for very slow-speed machinery?
Its standard response begins at 4.5 Hz for the wider band and 6 Hz for the tighter-amplitude band. Very slow equipment may require a lower-frequency velocity sensor, so shaft speed and the fault frequencies of interest should guide the selection.
Does the mounting direction affect 330500-00-00 operation?
The solid-state sensor can operate vertically, horizontally, or at another suitable angle. Measurement quality depends more strongly on a rigid, prepared mounting surface and an orientation aligned with the vibration direction that the monitoring plan needs to observe.
How should 330500-00-00 be selected when the installed sensor uses a thread adapter?
This exact order code does not include a mounting-thread adapter. We recommend identifying the existing stud or adapter, machine-side thread, available clearance, and cable approach before deciding whether the sensor can be installed directly or needs a separately selected adapter.
What baseline should be established after installing 330500-00-00?
A useful handover record includes the same machine operating state, measurement location, channel scaling, bias voltage, and initial velocity trend. That baseline gives maintenance teams a reliable reference for distinguishing a process change from an installation or wiring change.