Bently Nevada 990-08-50-01-05 Vibration Transmitter

Description

The Bently Nevada 990-08-50-01-05 is a two-wire, loop-powered vibration transmitter designed to provide a proportional 4 to 20 mA output for machinery control and condition monitoring systems. It is intended for use with a 3300 NSv proximity probe and matching 5.0-meter extension cable system, converting shaft vibration into a standard current signal over a 0–8 mils (0–200 μm) peak-to-peak measurement range. The transmitter features an integrated Proximitor® sensor, non-interacting zero and span adjustments, a Test Input for loop verification, and a Not OK/Signal Defeat circuit that drives the output below 3.6 mA if a probe fault or wiring problem is detected. Supplied with DIN-rail mounting and multiple hazardous area approvals.

Parameter

Model: 990-08-50-01-05 Vibration Transmitter
Full-scale Option: 08-0-8 mils pp (0-200μm pp)
System Length Option: 50-5.0 meters (16.4 feet)
Mounting Option: 01-35 mm DIN rail clips
Agency Approval Option: 05-Multiple Approvals (CSA NRTL/C and BASEEFA/CENELEC, which includes CSA Division 2)

Frequently asked questions

Q:What is the Bently Nevada 990-08-50-01-05 used for?
A:The 990-08-50-01-05 is a two-wire, loop-powered vibration transmitter that converts shaft vibration measured by a compatible 3300 NSv proximity transducer system into a standard 4–20 mA output for machinery control and condition monitoring systems. It is primarily intended for OEM applications involving centrifugal air compressors, small pumps, motors, and fans.

Q:Which proximity probe is compatible with the 990-08-50-01-05?
A:The transmitter is designed to operate with a Bently Nevada 3300 NSv proximity probe and the corresponding 5.0 m system length extension cable specified by the model code.

Q:Is the 990-08-50-01-05 approved for hazardous areas?
A:Yes, The 05 approval option provides Multiple Approvals, including CSA/NRTL/C and ATEX/IECEx certifications as specified in the datasheet for installation in approved hazardous locations.

Application areas

The Bently Nevada 990-08-50-01-05 is a highly integrated two-wire 4-20 mA Proximitor Transmitter. Because this specific model is compatible with standard 3300 XL 8 mm proximity probes (for a 5-meter total system length), features a 35 mm DIN rail mounting configuration and holds global hazardous area approvals (including ATEX, IECEx, and CSA) its application areas and installation environments possess distinct industrial characteristics.

• Centrifugal air compressors: Continuous shaft vibration monitoring in OEM compressor packages where installation space is limited. 
• Small pumps: Overall vibration measurement for process monitoring and predictive maintenance.
• Electric motors: Monitoring shaft vibration to help detect developing mechanical issues.
• Industrial fans and blowers: Providing a standard 4–20 mA vibration output to plant control systems.

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