Bently Nevada 990-10-XX-01-05 MOD: 163930-01 Vibration Transmitter

The Bently Nevada 990-10-XX-01-05 (MOD: 163930-01) provides essential vibration data for high-speed industrial machinery. This two-wire, loop-powered device functions as a specialized transmitter for centrifugal equipment. It effectively bridges the gap between proximity sensors and control systems. Specifically, the unit transforms displacement signals into a standard 4-20 mA output. This process enables direct communication with PLCs or DCS platforms without extra signal converters.

Operational Role and Industry Applications

Original Equipment Manufacturers (OEMs) primarily integrate this transmitter into pump and fan assemblies. It works exclusively with 3300 NSv proximity probes to monitor shaft vibration levels. Because it operates on a current loop, the device simplifies field wiring requirements significantly. Engineers deploy this solution in diverse sectors like water treatment and HVAC manufacturing. It excels at providing continuous protection for assets that do not require full rack-based monitoring.

Core Technical Characteristics

• Dual Signal Output: Provides proportional 4-20 mA data and a raw dynamic signal via BNC.
• Calibration Control: Includes non-interacting potentiometers for precise zero and span adjustments.
• Loop Verification: Features a dedicated test input pin for simulating vibration signals during commissioning.
• Fault Protection: Employs a Not OK circuit to suppress signals during sensor malfunctions.
• Mounting Versatility: Supports standard DIN-rail installation or secure bulkhead mounting.
• Compact Footprint: Engineered for space-constrained junction boxes and localized enclosures.

Technical Specifications