990-04-50-02-00 Bently Nevada | 990 Vibration Transmitter

Overview

The Bently Nevada 990-04-50-02-00 Vibration Transmitter is designed for high-performance vibration monitoring in non-hazardous and Zone 2 or Div 2 hazardous area locations. It offers a flexible range of options, including full-scale settings, system lengths, and mounting types, providing precise vibration measurement and reliable performance. Made in the U.S.A., this transmitter supports Bently Nevada’s renowned proximity probes and is ideal for industries that demand exceptional durability and accuracy.

Technical Specifications

• Brand: Bently Nevada
• Model: 990 Vibration Transmitter
• Product No.: 990-04-50-02-00
• Full-Scale Option: 0-4 mils pp (0-100 μm pp)
• System Length Option: 0 to 5 meters (16.4 feet)
• Mounting Option: Bulkhead screws
• Input: Non-contacting 3300 NSv Proximity Probe
• Power Supply: Requires 28 V power supply
• Maximum Loop Resistance: 1,000 Ω
• Current Limiting: 23 mA typical
• Output Impedance: 10 kΩ, calibrated for a 10 MΩ load
• Frequency Response: 5 Hz to 6,000 Hz (+0, +3 dB)
• Minimum Target Size: 9.5 mm (0.375 in) diameter
• Leadwire Length: 3 meters (10 feet) for Proximitor sensor output (BNC connector)
• Noise Level: 50 mV/pp typical

Applications

The 990-04-50-02-00 Vibration Transmitter is suitable for a wide range of industrial applications where vibration measurement is crucial, including:

• Machinery Monitoring: Continuous vibration monitoring for rotating equipment such as pumps, motors, and turbines.
• Predictive Maintenance: Ensuring equipment is maintained proactively to avoid failure.
• Hazardous Area Locations: Ideal for Zone 2 or Div 2 hazardous environments where non-contacting sensors are required.

FAQ

1. What power supply does the Bently Nevada 990-04-50-02-00 require?
   The transmitter requires a power supply of +12 to +35 Vdc.
2. What is the linear range of the output?
   The linear range is 1.4 mm (55 mils), starting at 0.25 mm (10 mils) from the target surface.
3. Can I use this transmitter with my existing Bently Nevada 3300 NSv Proximity Probe?
   Yes, the transmitter is designed to work with the 3300 NSv Proximity Probe and extension cable.
4. What is the maximum loop resistance?
   The maximum loop resistance is 1,000 Ω, including the cable, at 35 Vdc.
5. What type of mounting options are available?
   The transmitter can be mounted with bulkhead screws, offering easy installation in various configurations.

For more detailed information:990 Vibration Transmitter Datasheet