Brief: In this video, we explore the Bently Nevada 991-01-XX-01-CN Thrust Transmitter, a 2-wire, loop-powered device designed for axial displacement monitoring in industrial machinery. Watch as we demonstrate its 4-20 mA signal output, diagnostic capabilities, and rugged construction suitable for high-humidity environments.
Related Product Features:
2-wire, loop-powered transmitter with 4-20 mA industry-standard signal output for axial displacement monitoring.
Compatible with 3300 NSv Proximity Probe, offering dynamic vibration and gap voltage outputs for diagnostics.
Integrated design eliminates the need for an external Proximitor Sensor, simplifying installation.
Easy calibration with zero and span potentiometers located under the transmitter label.
Test Input pin enables rapid loop output verification using a variable DC voltage source.
Power-up inhibit circuit prevents signal errors caused by line voltage transients.
Supports DIN-rail or bulkhead mounting, with both options included as standard.
Fully potted housing ideal for high-humidity environments (up to 100% condensing).
FAQs:
What types of machinery is the 991 Thrust Transmitter suitable for?
The 991 Thrust Transmitter is designed for centrifugal air compressors, small pumps, motors, and fans requiring axial displacement monitoring.
How does the 991 Thrust Transmitter handle probe faults or loose connections?
It features a Not OK / Signal Defeat circuit to prevent false alarms and high outputs due to probe faults or loose connections.
What are the extension cable options available for the 991 Thrust Transmitter?
The transmitter supports system lengths of 5 m and 7 m with compatible extension cables.