330400-01-05 Bently Nevada Accelerometer

330400-01-05 | Bently Nevada | Accelerometer Acceleration Transducers

التوفر: 10 متوفر في المخزون

Configured for seismic vibration monitoring in rotating machinery, the Bently Nevada 330400-01-05 (330400 Accelerometer) provides direct physical execution of acceleration-to-voltage...

رمز المنتج: 330400-01-05

Manufacturer: Bently Nevada
Product No.: 330400-01-05
Product Type: Accelerometers
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Configured for seismic vibration monitoring in rotating machinery, the Bently Nevada 330400-01-05 (330400 Accelerometer) provides direct physical execution of acceleration-to-voltage signal conversion within TSI platforms. This device captures high-frequency vibration data, enabling the detection of rolling element bearing degradation and high-frequency gear mesh phenomena.

Suffix Breakdown & Model Matrix

Suffix	Description
330400	Base Model: Accelerometer Acceleration Transducer
01	Mounting Thread: 1/4-28 UNF integral stud
05	Agency Approvals: CSA, ATEX, IECEx

Hardware Specifications

Parameter	Specification
Model	330400-01-05
Brand	Bently Nevada
Origin	USA
Weight	1.0 kg
Dimensions	Standard accelerometer housing
Operating Temp	-55 deg C to +121 deg C
Power Consumption	2 mA to 10 mA constant current
Mounting	1/4-28 UNF stud

Rotor Dynamics and Transducer Scaling

The 330400 series accelerometer is designed for applications where rotor dynamics analysis requires frequency response beyond the capabilities of displacement-based eddy-current probes. Proper scaling of the acceleration signal is contingent upon the transducer sensitivity being correctly mapped within the monitoring system software. To maintain signal integrity, avoid ground loops by utilizing isolated mounting pads when the machine casing is at a different potential than the instrument common. The use of a 1/4-28 UNF integral stud ensures a rigid mechanical coupling to the measurement surface, which is necessary to prevent high-frequency mechanical resonance that could artificially inflate the perceived vibration amplitude.

Frequently Asked Questions

Q: Can this accelerometer be used with any standard Bently Nevada vibration monitor?

A: The sensor requires a constant current source (typically 24 VDC) provided by the host monitoring card. Ensure the monitor supports ICP-type transducers and is configured for the specific sensitivity of the 330400 unit.

Q: Is there a specific torque requirement for the 1/4-28 UNF mounting stud?

A: Yes. To ensure a flat, rigid frequency response, tighten the stud to the manufacturer-specified torque value (typically 3.4 Nm). Overtightening may damage the stud threads, while undertightening causes attenuation of high-frequency data.

Field Installation Guidelines

Prepare the mounting surface by ensuring it is flat, clean, and free of paint or oxidation to guarantee maximum contact area.
Utilize a spot-facing tool if the mounting surface is curved to ensure the base of the accelerometer achieves full 360-degree contact.
Route signal cabling through shielded conduits to minimize electromagnetic interference from adjacent high-voltage power cables.
Ensure the coaxial cable shield is grounded at the instrument end only to prevent circulating ground currents that induce low-frequency noise.
Apply a light coating of silicone grease to the mounting interface if the installation is in a high-humidity environment to prevent corrosion at the contact point.

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