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The 990 Vibration Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional vibration signal as the input to their machinery control system.

The transmitter is a two-wire, loop-powered device that accepts input from our 3300 NSv proximity probe and its matching extension cable (available in 5 m and 7 m system length options).

The transmitter conditions the signal into appropriate peak-to-peak vibration amplitude engineering units, and provides this value as a proportional 4 to 20 mA industry-standard signal as the input to the control system where machinery protection alarming and logic occurs†.

The Benty Nevad 990- 05-50-03-01 Viratin Transmiter monitors mchinery heath with high acuracy. Designed for ndustial oplications,it supports non contacting 3300 NSv Proximity Probes and ensures relioble 4-20 mA signal output. Additionaly.itmeets Zone 2/Div 2 safety standords, making it suitoble for hazardous environments. Its compact design and DIN rail mounting simplify installation.

Frequently Asked Questions

1. What is the Bently Nevada 990-05-50-03-01 Vibration Transmitter?

The Bently Nevada 990-05-50-03-01 is a 2-wire, loop-powered vibration transmitter designed for continuous vibration monitoring of rotating machinery. 

2. What output signal does the 990-05-50-03-01 transmitter provide?

The 990-05-50-03-01 transmitter provides a 4–20 mA analog output in a 2-wire configuration, allowing easy integration with industrial control and monitoring systems for real-time vibration monitoring.

3. What is the 990-05-50-03-01 maximum loop resistance?

The 990-05-50-03-01 maximum loop resistance is 1,000 Ω at 35 VDC, ensuring reliable current transmission when the proper power supply voltage is used. Exceeding the allowable loop resistance may prevent the output from reaching the full 20 mA signal.

4. What is the 990-05-50-03-01 current limit?

The 990-05-50-03-01 transmitter has a typical current limit of 23 mA, which helps protect the output loop and connected control equipment during abnormal operating conditions.

Product Applications

Oil and Gas: Monitoring of rotating machinery in refineries, oil pipeline pumping stations, and natural gas compressor stations.

Power and Energy: Vibration monitoring of steam turbines, auxiliary fans, and water pumps in small and medium-sized power plants.

General Machinery Manufacturing (OEM): Standard equipment for original equipment manufacturer (OEM) control systems of centrifugal air compressors, large industrial fans, and motors.

Water Treatment and Environmental Protection: Protection of rotating bearings in large sewage pumps, water supply pumps, and booster stations.

Chemical and Pharmaceutical Industries: Fault warning for reactor mixers, centrifuges, and various material transfer pumps.