Description

Brief Product Description

The Bently Nevada 990-10-XX-01-05 MOD:285269-01 is a high-precision 2-wire vibration transmitter that converts eddy current sensor signals into a 4-20 mA output. It provides a cost-effective solution for continuous machinery protection by integrating directly with PLC or DCS control systems.

Comprehensive Machinery Protection via 2-Wire Integration

The 990-10-XX-01-05 MOD:285269-01 vibration transmitter simplifies the process of monitoring critical rotating assets by providing a direct 4-20 mA proportional signal. Unlike traditional systems that require separate monitoring racks, this transmitter interfaces directly with a Programmable Logic Controller (PLC) or Distributed Control System (DCS). By processing raw signals from a proximity probe, the device generates a precise measurement of radial vibration or axial position. Consequently, this allows plant operators to implement continuous machinery protection on less critical equipment where a full 3500 series rack may not be economically justified.

Engineering for Resilience in Extreme Environments

Industrial facilities often expose telemetry hardware to severe conditions; therefore, Bently Nevada designed the 990-10-XX-01-05 with a focus on environmental durability. The unit features a robust construction that operates reliably within an expansive temperature range from -40°C to +100°C (up to +125°C for specialized sensor components). Moreover, the transmitter is engineered to resist electromagnetic interference and maintains high signal integrity even in electrically noisy plant environments. This resilience ensures that the data delivered to the control room remains stable and accurate, facilitating dependable early-warning diagnostics for turbines, pumps, and fans.

Simplified Installation and Operational Versatility

The 990-10-XX-01-05 MOD:285269-01 utilizes a 2-wire loop-powered configuration, which significantly reduces wiring complexity and installation costs. Furthermore, the transmitter provides a buffered “Raw Output” via a BNC connector or terminals, allowing technicians to connect portable data collectors for detailed spectral analysis without interrupting the primary 4-20 mA loop. This dual-functionality supports both real-time automated protection and manual periodic diagnostics. By providing a clear window into the mechanical health of high-speed assets, this transmitter helps minimize unplanned downtime and extends the overall service life of industrial machinery.

Key Technical Characteristics

• Integrated Proximitor Technology: Combines the functions of a Proximitor sensor and a signal conditioner into a single package.
• Standard 4-20 mA Output: Facilitates easy integration with industrial control systems and data loggers.
• Wide Frequency Response: Accurately captures vibration data from 0 to 15,000 Hz for comprehensive fault detection.
• Flexible Power Requirements: Operates on a standard loop-powered voltage range (typically 12 to 35 V DC).
• Buffered Raw Signal: Includes an independent output for specialized diagnostic tools and waveform analysis.
• Compact Form Factor: Features a DIN-rail or bulkhead mount design to save space in local junction boxes.

Technical Specifications