Bently Nevada 991-06-70-03-05 Metric Thrust Transmitter
A metric-range 7 m thrust transmitter supplied for DIN or bulkhead mounting with the broad approval option.
Product Profile
991-06-70-03-05 is configured for a 0.6-0-0.6 mm axial-position range and a 7 m 3300 NSv transducer system. Mounting option 03 supplies both 35 mm DIN-rail clips and bulkhead screws.
Approval option 05 covers the documented CSA Division 2, ATEX Zone 0, ATEX Zone 2 and ABS maritime selections for this transmitter execution.
Technical Data
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Complete Model | 991-06-70-03-05 |
| Product Family | 991 Thrust Transmitter |
| Measurement Range | 0.6-0-0.6 mm |
| System Length | 7.0 m |
| Mounting Hardware | DIN-rail clips and bulkhead screws |
| Approval Selection | CSA, ATEX and ABS maritime options |
| Signal Output | 4–20 mA axial position |
| Diagnostic Access | PROX OUT and COM connection |
| Humidity Protection | Potted for condensing environments |
System Role
- Converts the matched NSv proximity signal into a control-system current loop.
- Provides local zero, span and diagnostic access during commissioning.
- Signals transducer-chain faults through low-current Not OK behavior.
Compatibility
- Use a 3300 NSv probe and extension cable totaling 7 m.
- Keep the metric span aligned with control-system scaling and alarm setpoints.
- Select DIN or bulkhead mounting without altering wiring clearances.
- Verify the applicable approval certificate and installation requirements for the destination site.
Applications
- Metric axial-position monitoring on compressors, pumps, motors and fans.
- Marine or hazardous-area packages requiring the exact approval execution.
- OEM machinery using a loop-powered transmitter instead of rack-based conditioning.
FAQ
Which approval documents should be requested with 991-06-70-03-05?
Request the documents applicable to the actual destination, including the relevant CSA, ATEX or ABS marking and installation conditions.
Can 991-06-70-03-05 replace a 25 mil range transmitter?
Do not assume so. Confirm engineering-unit scaling, alarm thresholds, calibration span and controller logic before any range change.
Does 991-06-70-03-05 support both mounting methods?
Yes, option 03 supplies DIN-rail clips and bulkhead screws, but the enclosure and wiring layout still require verification.
What is required to preserve the 7 m system for 991-06-70-03-05?
The NSv probe length plus extension-cable length must equal the Proximitor system length selected by the transmitter.
What should a receiving inspection for 991-06-70-03-05 include?
Check the complete suffix, approval markings, terminals, mounting hardware, calibration controls and physical condition before installation.
What field tests should close a 991-06-70-03-05 replacement?
Document gap, diagnostic voltage, zero and span, 4–20 mA scaling, Not OK current and every alarm or shutdown action.
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