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990-05-70-03-00 | Bently Nevada | 990 Vibration Transmitter
Description
Technical Overview
The Bently Nevada 990-05-70-03-00 is a high-precision, industrial-grade 990 Series Vibration Transmitter engineered for continuous, real-time monitoring of mechanical vibration in critical rotating equipment. Manufactured by Baker Hughes (formerly Bently Nevada), a global leader in condition monitoring and predictive maintenance solutions, this transmitter delivers exceptional signal integrity, long-term stability, and immunity to electromagnetic interference (EMI) in demanding process environments. Designed as a direct replacement for legacy 990-series transmitters, the 990-05-70-03-00 integrates seamlessly into existing Bently Nevada 3500/16, 3500/22, or System 1™ architectures while supporting modern asset health management protocols. It converts raw sensor signals from proximity probes (e.g., 3300 XL series) into standardized 4–20 mA analog outputs proportional to vibration velocity (mm/s RMS) or displacement (µm peak-to-peak), enabling precise trending, alarm generation, and integration with distributed control systems (DCS), programmable logic controllers (PLC), and SCADA platforms. The unit operates on a robust 24 VDC loop-powered design, eliminating the need for auxiliary power supplies and reducing installation complexity. Its ruggedized aluminum housing, IP67-rated enclosure, and wide operating temperature range (−40 °C to +85 °C) ensure reliable performance in harsh industrial settings—including oil & gas refineries, power generation facilities, petrochemical plants, and heavy manufacturing operations. All units are factory-calibrated per ISO 10816 and ANSI S2.27 standards and undergo rigorous burn-in and functional testing prior to shipment.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model Number | 990-05-70-03-00 |
| Manufacturer | Baker Hughes (Bently Nevada) |
| Product Type | Vibration Transmitter (Velocity/Displacement Output) |
| Condition | New, Factory-Sealed, Original Equipment Manufacturer (OEM) Unit |
| Warranty | 24-Month Limited Warranty covering material defects and workmanship; includes technical support and firmware updates |
| Input Compatibility | Accepts signals from standard 3300 XL, 3300 NSV, or equivalent 10 mH proximity probes (2-wire, 4–20 mA loop powered) |
| Output Signal | 4–20 mA DC, linear, isolated, HART® 7 compatible (optional configuration) |
| Measurement Range (Configurable) | Vibration Velocity: 0–10 mm/s RMS to 0–200 mm/s RMS; Displacement: 0–50 µm pk-pk to 0–2000 µm pk-pk |
| Frequency Response | 10 Hz to 1 kHz (±5% amplitude tolerance); optimized for machinery fault detection per ISO 10816-3 |
| Accuracy | ±1% of full-scale output (FSO) at 25 °C; ±2% FSO over full temperature range |
| Linearity | ±0.5% FSO maximum non-linearity |
| Temperature Stability | ±0.05% FSO/°C (zero shift); ±0.03% FSO/°C (span shift) |
| Power Supply | 24 VDC ±10%, loop-powered (min. 12 V at 20 mA); reverse polarity protected |
| Load Resistance | Max. 800 Ω @ 24 VDC; derates linearly to 400 Ω @ 12 VDC |
| EMI/RFI Immunity | Compliant with IEC 61000-4-3 (Level 3, 10 V/m) and IEC 61000-4-4 (Level 3, 2 kV) |
| Environmental Rating | IP67 (dust-tight and water immersion resistant up to 1 m for 30 min) |
| Operating Temperature | −40 °C to +85 °C (−40 °F to +185 °F) |
| Storage Temperature | −40 °C to +85 °C |
| Dimensions (L × W × H) | 127 mm × 63 mm × 45 mm (5.0 in × 2.5 in × 1.8 in) |
| Weight | 385 g (13.6 oz) |
| Country of Origin | United States of America (assembled and tested in Minden, Nevada) |
| Certifications | CE, UKCA, ATEX II 2G Ex ia IIC T4 Ga, IECEx ia IIC T4 Ga, UL/cUL Class I, Div 1, Groups A, B, C, D |
Key Features
- OEM-Backed Reliability: Genuine Baker Hughes Bently Nevada engineering—designed, validated, and supported under strict quality management systems (ISO 9001:2015 certified manufacturing).
- Field-Configurable via HART®: Enables remote calibration, range adjustment, damping settings, and diagnostic access without physical disassembly—reducing downtime and maintenance labor.
- True Dual-Range Capability: Supports simultaneous velocity and displacement measurement modes via software configuration—ideal for multi-criteria alarm strategies and compliance with ISO 20816 and API RP 670.
- Advanced Diagnostics: Built-in self-test, sensor health monitoring (open/short circuit detection), and live status reporting via HART or front-panel LED indicators.
- Galvanic Isolation: 1500 VAC isolation between input, output, and power circuits ensures noise-free signal transmission and protects connected control systems from ground loops.
- Extended Service Life: Solid-state design with no moving parts; rated for >15 years MTBF (Mean Time Between Failures) under continuous operation.
- Hazardous Area Certified: Intrinsically safe (ia) certification enables safe deployment in explosive atmospheres common in upstream oil & gas, chemical processing, and LNG terminals.
- Plug-and-Play Integration: Fully compatible with Bently Nevada 3500 rack-based monitoring systems and System 1™ enterprise analytics platform—preserving historical data continuity and alarm logic consistency.
Applications
- Turbomachinery Monitoring: Real-time vibration surveillance of steam/gas turbines, centrifugal compressors, and axial flow fans in combined-cycle power plants and refinery services.
- Rotor Dynamics Analysis: Critical speed mapping, balancing verification, and misalignment detection in high-speed rotating assemblies (e.g., turboexpanders, gearboxes, and large motors).
- Condition-Based Maintenance (CBM): Foundation element for predictive maintenance programs—feeding actionable insights into CMMS/EAM systems such as IBM Maximo or SAP PM.
- Regulatory Compliance: Meets mandatory requirements for API RP 670 (Machinery Protection Systems), ISO 10816 (vibration severity standards), and OSHA PSM (Process Safety Management) documentation.
- Remote Asset Monitoring: Deployed in unmanned or geographically dispersed sites (e.g., offshore platforms, pipeline compressor stations, wind farm substations) where wired 4–20 mA telemetry remains the most robust communication method.
- Legacy System Modernization: Direct drop-in upgrade path for aging 990-05-xx-xx-xx transmitters—maintaining panel cutouts, wiring harnesses, and alarm setpoints while enhancing accuracy and diagnostics.
- Research & Development Testing: Used in test stands and laboratory environments for vibration signature acquisition, modal analysis validation, and prototype durability assessment under controlled load profiles.
Additional information
| Weight | 0.44 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 7.4 x 4.6 x 10cm |
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