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Manufacturer : Bently Nevada

Product : 330400-01-00 130539-25 

Product type : Accelerometer Acceleration Tranducer

Amplitude Linearity: ±1% to 490 m/s² (50 g) peak

Broadband Noise Floor (10 Hz to 15 kHz): 0.039 m/s² (0.004 g) rms

Sensitivity: 10.2 mV/m/s² (100 mV/g) ±5%

Transverse Sensitivity: Less than 5% of axial

Mounted Resonant Frequency: Greater than 30 kHz

Amplitude of Resonant Peak: 20 dB maximum

Input Voltage: -24 ± 0.5 Vdc

Bias Current: 2 mA nominal

Output Bias Voltage: -8.5 ± 0.5 Vdc

Grounding: Case isolated

These accelerometers are intended for critical machinery applications where casing acceleration measurements arerequired, such as gear mesh monitoring. The 330400 is designed to address the requirements of American Petroleum Institute Standard 670 for accelerometers. It provides an amplitude range of 50 g peak and a sensitivity of100 mV/g. The 330425 is identical except it provides a largeramplitude range (75 g peak) and a sensitivity of 25 mV/g.

Frequently Asked Questions

Q1: What is the Bently Nevada 330400-01-00 130539-25 Accelerometer used for?

A: The Bently Nevada 330400-01-00 130539-25 Accelerometer Acceleration Transducer is used to measure machine vibration and acceleration levels in rotating and reciprocating equipment. 

Q2: What is the sensitivity of the 330400-01-00 accelerometer?

A: The 330400-01-00 transducer has a sensitivity of 10.2 mV/m/s² (100 mV/g) ±5%, enabling precise detection of vibration and acceleration changes.

Q3: What is the 330400-01-00 acceleration measurement range?

A: The 330400-01-00 accelerometer supports an acceleration range of 490 m/s² (50 g), making it suitable for monitoring equipment exposed to significant vibration levels.

Q4: What is the amplitude linearity of the 330400-01-00 transducer?

A: The 330400-01-00 provides ±1% amplitude linearity up to 490 m/s² (50 g) peak, ensuring that output signals remain proportional to measured vibration levels.

Product Applications 

Power Industry: Monitoring the vibration of bearing housings and stators in steam turbines, generators, and hydro turbine units.

Oil and Gas Industry: Used for fault early warning in large industrial blowers, screw compressors, and centrifugal compressors.

Petrochemical and Coal Chemical Industries: Monitoring circulating water pumps and air separation compressor units operating under high loads.

Metallurgy and Heavy Manufacturing: Monitoring the meshing status of rolling mill gearboxes and detecting spindle faults.