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330400-01-00

330400 Accelerometer
In Stock

Product Describe:

330400 Accelerometer
Category:Sensors & Switches
Subcategory:Position Sensor
Transmitter/Monitor

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Technical specifications for 330400-01-00

Technical specifications for 330400-01-00

  • Manufacturer:
    Bently Nevada
  • Product Category:
    Machinery Monitoring System
  • Spare Part Number:
    330400-01-00
  • Estimated shipping dimensions:
    6.2x2.5x2.3cm
  • Weight:
    0.08 kg
  • Tariff Code:
    8537101190
  • Counliy of origin:
    USA
  • Sensitivity:
    2.5 mV/m/s2 (25 mV/g) ±5%
  • Input Voltage:
    -24 ± 0.5 Vdc
  • Bias Current:
    2 mA nominal
  • Output Bias Voltage:
    -8.5 ± 0.5 Vdc
  • Amplitude Linearity:
    ±1% to 735 m/s2 (75 g) peak
  • Mounting Thread:
    1/4-28 UNF integral stud
  • Agency Approval:
    None

Information

Information

Overview Manuals Common Applications Product Precautions
The 330400-01-00 is a high-precision accelerometer manufactured by Bentley Nevada, Inc. This sensor is commonly used for condition monitoring of industrial equipment, particularly suitable for measuring the vibration of rotating machinery housings, and is widely used in industries such as power generation, steel, metallurgy, and petrochemicals.
    • Superior Signal-to-Noise Ratio
    • Compliant with API 670 requirements
    • High Sensitivity for High-Frequency Detection
These accelerometers are intended for critical machinery applications where casing acceleration measurements are required, such as gear mesh monitoring. The 330400 complies with American Petroleum Institute Standard 670 for accelerometers.It provides an amplitude range of 50 g peak and a sensitivity of 100 mV/g. The 330425 is identical except it provides a larger amplitude range (75 g peak) and a sensitivity of 25 mV/g.As an industrial benchmark compliant with API 670 standards, the 330400-01-00 not only accurately captures vibration amplitudes up to 50 g peak, but its high sensitivity of 100 mV/g also makes it the ideal choice for monitoring gear mesh frequencies and early-stage bearing defects. Leveraging an exceptional signal-to-noise ratio, this sensor effectively extracts faint, high-frequency impact signals from complex background mechanical noise, providing reliable predictive maintenance for critical rotating machinery.

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
 Bently Nevada 330400-01-00 330400 Accelerometer Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Steel Rolling
Monitoring cold/hot rolling mill gearboxes. It provides early warning of tooth breakage risks for heavy-duty, low-speed gear sets with high-frequency meshing characteristics.

Petrochemical Refining
Monitoring high-speed gear increasers in centrifugal compressors. The accelerometer captures micro high-frequency impacts caused by gear tooth wear or pitting.

Pulp & Paper
Monitoring support bearings in the dryer section. It detects bearing housing cracks or rolling element failures caused by long-term high-temperature operation.

Offshore Engineering
Monitoring gear drives in top drive systems on drilling rigs. It provides reliable high-frequency fault diagnosis in salt spray and high-humidity environments.

Semiconductor
Monitoring large cleanroom centrifugal pumps. Through acceleration measurement, it ensures no abnormal vibration in cooling systems to avoid disturbing precision lithography equipment.

 When using the 330400-01-00 accelerometer, ensure the sensor is rigidly mounted to a flat metal surface using the recommended torque to guarantee accurate high-frequency signal transmission. Meanwhile, protect the cable with conduit and keep connectors dry and clean to prevent signal drift caused by moisture ingress, while strictly following mounting clearance and wiring specifications to minimize electromagnetic interference.

FAQS

  • What is 330400-01-00?
    It is a high-performance piezoelectric accelerometer compliant with API 670 standards, used for monitoring casing vibration on critical machinery.
  • What is the core measurement purpose of 330400-01-00?
    It is primarily used for high-frequency applications, such as gear mesh monitoring and early-stage rolling element bearing fault diagnosis.
  • How to install 330400-01-00 in industrial fields?
    It is typically rigidly mounted to the machine’s bearing housing or casing using a stud (e.g., 1/4-28 thread).
  • What industry standards does 330400-01-00 comply with?
    It is designed to address the requirements of the American Petroleum Institute (API) Standard 670 for accelerometers.
  • What is the difference between 330400-01-00 and the 330425 model?
    The 330400 has higher sensitivity (100mV/g), while the 330425 has lower sensitivity (25mV/g) but a larger amplitude range (75g).
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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