Bently Nevada 330400-01-00 Accelerometer Transducer Configured for casing acceleration signal acquisition in machinery vibration measurement channels, the Bently Nevada 330400-01-00...
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Configured for casing acceleration signal acquisition in machinery vibration measurement channels, the Bently Nevada 330400-01-00 (330400-90-00 Accelerometer) provides direct physical output proportional to housing vibration acceleration within Bently Nevada mechanical monitoring systems.
Suffix Breakdown & Model Matrix
No validated manufacturer-published suffix segmentation is provided for 330400-01-00 within the supplied dataset. The identifier is treated as a single ordering configuration without decomposed functional variants.
Hardware Specifications
Parameter
Specification
ModelBrand
Bently Nevada 330400-01-00
Origin
USA
Weight
0.1 kg
Dimensions
25.4 mm diameter x 58.5 mm height (housing)
OperatingTemp
-55 degC to +120 degC
PowerConsumption
Passive accelerometer, external signal conditioning required
Sensitivity
10.2 mV per m/s2 (100 mV/g) +/-5%
Linearity
+/-1% up to 490 m/s2 (50 g) peak
Frequency Response
10 Hz to 15 kHz
Noise Floor
0.039 m/s2 RMS (10 Hz to 15 kHz)
Grounding
Case isolated
Connector Type
MIL-C-5015 style, 2-pin top exit
Rotordynamics Signal Integrity Behavior (Bently Nevada Monitoring Architecture)
The 330400-01-00 is aligned with Bently Nevada rotordynamics acquisition chains where casing-mounted accelerometers must preserve high-frequency energy transfer from bearing housings to measurement electronics. In this configuration class, signal fidelity is influenced by mechanical coupling stiffness, mounting torque consistency, and local resonance behavior. The case-isolated structure is used to reduce ground loop formation in multi-channel vibration acquisition racks and to maintain stable reference potential across TSI input modules.
Frequently Asked Questions
Q: Can the 330400-01-00 be hot-swapped under live vibration monitoring? A: No hot-swap electrical architecture is defined for this accelerometer. Disconnection requires signal channel isolation at the conditioning system to avoid transient voltage spikes.
Q: Does the sensor require external excitation power? A: Yes. The device is a passive piezoelectric accelerometer and depends on an external signal conditioning module for biasing and signal conversion.
Q: What limits the usable frequency range in field installation? A: The effective bandwidth is constrained by mounting surface compliance, stud coupling quality, and casing transmissibility characteristics rather than only the internal 10 Hz to 15 kHz sensor specification.
Field Installation Guidelines
Mount the accelerometer using the specified threaded stud interface with direct metal-to-metal contact. Ensure the mounting surface is machined flat and free from paint or oxidation layers at the contact point. Maintain short lead lengths where possible and use shielded cabling with a single-point grounding strategy at the monitoring system end. Avoid routing signal cables parallel to high-current power conductors to reduce induced noise coupling. Mechanical loosening should be prevented using standard locking hardware appropriate for vibration service conditions.
