330425-01-05 Bently Nevada Accelerometer Datasheet & Technical Manual

330425-01-05 | Bently Nevada | Accelerometer Acceleration Transducers

330425-01-05 | Bently Nevada | Accelerometer Acceleration Transducers

Availability: 10 left in stock

Configured for vibration signal acquisition in monitoring platforms, the Bently Nevada 330425-01-05 (330425 Accelerometer) provides direct physical acceleration-to-voltage conversion. Hardware...

SKU: 330425-01-05

Manufacturer: Bently Nevada
Product No.: 330425-01-05
Product Type: Accelerometers
Product Origin: USA
Payment:T/T, Western Union
Weight: 100g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Configured for vibration signal acquisition in monitoring platforms, the Bently Nevada 330425-01-05 (330425 Accelerometer) provides direct physical acceleration-to-voltage conversion.

Hardware Specifications

Parameter	Specification
Model	330425-01-05
Brand	Bently Nevada
Origin	USA
Weight	0.1 kg
Dimensions	Standard accelerometer housing
Operating Temp	-55 deg C to +121 deg C
Power Consumption	2 mA to 10 mA constant current
Sensitivity	2.5 mV/m/s^2 (25 mV/g) +/- 5 %

Rotor Dynamics and Transducer Scaling

The 330425-01-05 utilizes a piezoelectric sensing element to generate an electrical signal proportional to the acceleration of the monitored machinery casing. To ensure data integrity for rotor dynamics analysis, the transducer sensitivity is calibrated to 2.5 mV/m/s^2. Maintaining amplitude linearity within the specified range of 735 m/s^2 is required to prevent signal clipping or harmonic distortion. During installation, the integral 1/4-28 UNF stud must be torqued to manufacturer specifications to ensure high-frequency response and prevent mechanical decoupling from the machine case. Proper coupling is required to maintain the signal path for monitoring non-synchronous and high-frequency vibration components effectively.

Frequently Asked Questions

Q: Can the 330425-01-05 be installed on non-metallic machine casings?

A: Installing accelerometers on non-metallic surfaces can attenuate high-frequency signals. For optimal response, the transducer should be mounted on a rigid, metallic surface that is part of the machine's structural frame.

Q: Are there specific torque requirements for the integral mounting stud?

A: Yes. The integral 1/4-28 UNF stud must be tightened to the recommended torque to achieve a rigid mechanical connection, ensuring the transducer frequency response remains within the defined flat operational bandwidth.

Field Installation Guidelines

Ensure the mounting surface is flat, clean, and free of paint to maximize surface contact for the sensor base.
Apply a thin layer of silicone grease or oil to the mating surface before installation to improve high-frequency transmission.
Tighten the 1/4-28 UNF stud to the specified torque value; excessive torque may damage the stud or the mounting hole, while insufficient torque reduces frequency response.
Route the transducer cable through a flexible conduit to protect against environmental damage while ensuring the cable remains isolated from high-voltage AC lines to prevent EMI.
Verify that the transducer cable shield is grounded at the monitor interface to maintain signal signal-to-noise ratio.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.