Bently Nevada 330980-71-BR Seven-Metre DIN-Mount Proximitor Sensor
A DIN-mount NSv signal-conditioning module carrying a nameplate-specific project suffix.
Overview
330980-71-BR conditions the signal from one compatible 3300 RAM or NSv probe chain for machinery vibration or position monitoring. The complete suffix is preserved exactly from the submitted identity and should be verified against the physical label and project records.
Replacement selection must keep the mounting arrangement, calibrated cable chain and monitoring input together.
Specs
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Complete Model | 330980-71-BR |
| Product Family | 3300 XL NSv |
| System Length | 7.0 m (23.0 ft) |
| Mounting | DIN rail |
| Sensor Input | One compatible 3300 RAM or NSv probe plus extension cable |
| Supply Without Barriers | −17.5 to −26 VDC, 12 mA maximum |
| Supply With Barriers | −23 to −26 VDC |
| Linear Range | 1.5 mm (60 mil) |
| Average Scale Factor | 7.87 V/mm (200 mV/mil) |
| Typical Frequency Response | 0 to 10 kHz |
| Final Suffix | BR — verify against nameplate and project records |
Features
- Thin DIN-mount form supports high-density machinery-monitoring installations.
- SpringLoc terminals simplify field wiring without special installation tools.
- Improved RFI and EMI immunity supports industrial cabinet installation.
- Forms a calibrated system with the selected probe, extension cable and target material.
Applications
- Tight-clearance compressor vibration and axial-position loops.
- DIN-rail mounting in dense machinery-protection cabinets.
- Service replacement where a seven-metre NSv system and BR suffix are documented.
Lifecycle
- Photograph the full sensor label and terminal wiring before removal.
- Confirm the probe lead and extension-cable lengths total seven metres.
- Retain the isolated DIN mounting arrangement and field-wire shield practice.
- Validate gap, scale factor and monitor response after installation.
FAQ
How should the BR suffix on 330980-71-BR be handled?
Keep it unchanged and confirm it from the installed label and project approval record before ordering or substituting another suffix.
Which cable combination belongs with 330980-71-BR?
The probe lead plus NSv extension cable must total seven metres; record both existing part numbers rather than assuming a combination.
Can 330980-71-BR replace a panel-mount 330980-70 unit?
The electrical system length may match, but the mounting hardware and cabinet arrangement differ and must be checked.
What target information matters when commissioning 330980-71-BR?
The standard calibration is for AISI 4140 steel; other target materials require the appropriate calibration and application review.
What should be measured before changing 330980-71-BR?
Record supply voltage, gap voltage, channel scaling, wiring polarity and the current probe/cable identities.
What can cause a new 330980-71-BR loop to read incorrectly?
Wrong total cable length, poor connectors, incorrect gap, target geometry, wiring or an unverified special suffix can all create a mismatch.
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