Bently Nevada 330400-02-05 Accelerometer
A 100 mV/g casing accelerometer with an integral M8 × 1 stud and CSA, ATEX and IECEx approval option.
Product Overview
330400-02-05 is a Bently Nevada 100 mV/g accelerometer configured with an M8 × 1 integral mounting stud and the multiple-approval option. It is intended for critical machinery casing measurements where the certified installation requirements apply.
The -02-05 suffix differentiates this unit from imperial-thread and non-approved variants even though the core 330400 electrical performance remains the same.
Performance
- Measures casing acceleration with a 50 g peak range and 100 mV/g nominal sensitivity.
- Supports gear-mesh and high-frequency machinery monitoring from 10 Hz to 15 kHz ±3 dB.
- Provides a metric M8 × 1 mechanical interface for the prepared mounting point.
- Carries the multiple-approval option for applications requiring the applicable CSA, ATEX or IECEx marking.
Technical Details
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Model | 330400-02-05 |
| Sensitivity | 100 mV/g ±5% |
| Peak Range | 50 g from 10 Hz to 15 kHz |
| Frequency Response | 10 Hz to 15 kHz ±3 dB |
| Power Input | -24 ±0.5 V DC |
| Mounting Thread | Integral M8 × 1 stud |
| Approval Option | Multiple approvals: CSA, ATEX and IECEx |
| Connector | Three-pin MIL-C-5015 receptacle |
| Case | 316L stainless steel, isolated |
| Operating Temperature | -55 to +121 °C |
| Maximum Cable Length | 305 m without signal degradation |
System Integration
- Confirm the M8 × 1 mounting point and prepare the surface to the specified finish before fitting 330400-02-05.
- Apply the 4.1 N·m mounting torque and keep the approved connector and cable protection intact.
- For hazardous areas, validate the entity parameters, associated apparatus and installation drawing for the site classification.
- Set the monitor channel to 100 mV/g and verify bias, polarity and alarm logic.
Applications
- Metric-thread machinery casings
- Hazardous-area acceleration monitoring
- Gearbox and bearing-housing protection
FAQ
How is 330400-02-05 different from 330400-01-00?
330400-02-05 uses an M8 × 1 stud and multiple approvals; 330400-01-00 uses 1/4-28 UNF and has no approval option.
Which approvals are represented by 05 on 330400-02-05?
The official ordering table lists the 05 option as multiple approvals covering CSA, ATEX and IECEx.
Can 330400-02-05 be installed in any hazardous area automatically?
No. The marking, entity parameters, barrier, cabling and site classification must all be reviewed for the complete loop.
What monitor scaling is required for 330400-02-05?
Configure the channel for 100 mV/g and verify that alarm and shutdown thresholds use the correct engineering units.
What information is needed to quote 330400-02-05?
Provide the exact suffix, site approval requirement, cable part and length, associated barrier or monitor, and mounting details.
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