Bently Nevada 9200-09-01-06-04 Seismoprobe Velocity Transducer
A self-powered 9200 Seismoprobe configured for unrestricted vertical orientation, top connection and ATEX/IECEx service.
Technical Summary
9200-09-01-06-04 is a two-wire moving-coil velocity transducer configured for a 0° mounting direction with a broad ±180° orientation allowance. Its ordering code selects the 15 Hz minimum operating frequency, top-mounted connector and an isolated circular base.
The approval suffix is combined with the isolated 1/4-20 UNC mounting option. Replacement planning must preserve the full mechanical and certification configuration instead of matching only the 9200 family name.
Specifications
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Model | 9200-09-01-06-04 |
| Product Family | 9200 Seismoprobe |
| Transducer Principle | Self-powered moving coil |
| Sensitivity | 20 mV/mm/s (500 mV/in/s), ±5% |
| Orientation Option | 0° ±180° |
| Minimum Operating Frequency | 15 Hz (900 cpm) |
| Connector Option | Top mount, no cable |
| Mounting Base | Isolated circular 1/4-20 UNC stud |
| Approval Option | ATEX / IECEx |
| Operating Temperature | -29 to +121 °C |
Features
- Generates a velocity-proportional output without an external excitation supply.
- Uses an isolated mounting base required by the selected hazardous-area option.
- Supports casing and bearing-housing vibration measurements within the configured frequency range.
- Provides a top connection for a separately selected interconnection cable.
Compatibility
- Confirm that the monitor accepts a 20 mV/mm/s moving-coil velocity input.
- Verify the 1/4-20 UNC stud, mounting direction and cable clearance at the machine point.
- Match the area-classification documents, wiring method and complete approval loop.
- Select a compatible cable because the connector option does not include an integral cable.
Replacement
- Record mounting direction, wiring polarity, baseline vibration and monitor scaling before removal.
- Keep the isolated base free of conductive contamination and unintended grounding.
- After installation, verify polarity, isolation, noise level and response against an independent reference.
FAQ
Why is an isolated base important for 9200-09-01-06-04?
The selected ATEX/IECEx option requires an isolated-base configuration, so it is part of the exact product identity.
Does 9200-09-01-06-04 include an interconnection cable?
No. Code 01 specifies a top connector without cable; cable length and construction must be ordered for the installation.
Can 9200-09-01-06-04 replace a 4.5 Hz 9200 variant?
Not automatically. Its configured lower limit is 15 Hz, which can change response on slower machinery.
What monitor information is needed for 9200-09-01-06-04?
Provide input type, channel scaling, termination, alarm settings and existing sensor polarity.
May the isolated base of 9200-09-01-06-04 be bypassed?
No. Preserve the documented isolation and approved installation arrangement.
What commissioning evidence should be retained for 9200-09-01-06-04?
Keep mounting direction, torque, insulation check, polarity, baseline signal and comparison-test results.
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