The Bently Nevada 990-05-50-01-05 is a loop-powered 4-20 mA vibration transmitter. It provides non-contact displacement monitoring for industrial machinery through PLC and DCS integration.
The Bently Nevada 990-05-50-01-05 serves as a high-precision, loop-powered vibration transmitter. This device integrates directly with Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS). It converts proximity probe signals into a standard 4-20 mA output. Consequently, operators receive continuous machinery health data without dedicated monitoring racks. This streamlined approach allows for cost-effective protection of less critical rotating assets. Furthermore, it provides a reliable interface for real-time vibration displacement tracking.
| Feature | Technical Detail |
| Manufacturer | Bently Nevada |
| Model Number | 990-05-50-01-05 |
| Series | 990 Vibration Transmitter |
| Output Signal | 4 to 20 mA DC |
| Probe Compatibility | 3300 NSv and 3300 RAM Probes |
| System Length | 5.0 Meters (Total) |
| Mounting | 35mm DIN rail or Panel Mount |
| Weight | 0.54 kg |
| Agency Approvals | Multiple hazardous area ratings available |
Maintenance teams typically deploy this transmitter on pumps, fans, and centrifugal compressors. It performs exceptionally well in power generation and petrochemical processing environments. Because the unit features a rugged housing, it withstands intense industrial conditions. The transmitter handles significant temperature fluctuations and high humidity levels effectively. Additionally, the compact design fits easily into localized junction boxes near the machinery. This placement reduces wiring costs for large-scale facility installations.
The 990-05-50-01-05 provides superior resistance against electromagnetic interference (EMI). This ensures signal stability even when located near high-voltage motor starters. Moreover, the device includes a buffered output for manual diagnostic access. This allows technicians to connect portable analyzers for deep-dive waveform investigation. The non-isolated design simplifies loop wiring for standard industrial power supplies. These engineering choices maximize uptime while lowering the total cost of ownership.
This transmitter simplifies the transition to predictive maintenance strategies. It allows facilities to monitor vibration levels through existing control infrastructure. Furthermore, the 35mm DIN rail mounting allows for rapid installation and replacement. The 990 series eliminates the need for complex, rack-based signal processing hardware. This modularity improves system scalability as plant requirements expand. Overall, the 990-05-50-01-05 offers a dependable solution for 24/7 industrial asset protection.
990-05-50-02-00 Product datasheet
Model number: | 990-05-50-02-00 | Module Type： | Vibration Transmitter | |
Manufacture: | Bently Nevada | Condition： | Brand New | |
Range of Product: | 990 Vibration Transmitter | Lead time： | In Stock | |
Weight: | 0.46 kg | HS CODE： | 8537101190 | |
Dimension: | 7.4x5.3×9.9cm | MOQ: | 1 | |
Product Origin: | USA | System： | TSI | |
Discontinued on: | active | Communication Service: | Ethernet router |
990-05-50-02-00 Functional Description
The Bently Nevada 990-05-50-02-00 Vibration Transmitteris a two-wire, loop-powered vibration transmitter designed for OEMs of compressors, pumps, and fans. This robust device converts signals from 3300 NSv proximity probes into a 4-20mA output, providing real-time vibration data to control systems. The 990-05-50-02-00 VIBRATION TRANSMITTER Bently Nevadaoperates on 12-35VDC and supports 1,000Ω loop resistance, ensuring reliable performance in industrial environments.
Engineered for accuracy, the Vibration Transmitter Bently Nevada 990-05-50-02-00measures 0-5 mils pp (0-125μm pp) vibration ranges, with 23mA current limiting for protection. Its bulkhead screw mounting (option 02) offers secure installation, while compatibility with 5m/7m extension cables provides flexibility. The transmitter’s compact design integrates seamlessly into machinery control systems.
The Bently Nevada 990-05-50-02-00 PDFfeatures signal conditioning to filter noise, delivering clean data for predictive maintenance. Its loop-powered design eliminates external power needs, simplifying wiring and reducing costs. Ideal for harsh conditions, it meets industrial standards for durability.
As part of Bently Nevada’s trusted 990 series, the 990 Vibration Transmitter Bently Nevada 990-05-50-02-00ensures early fault detection and machinery protection. Its combination of precision measurement, rugged construction, and easy integration makes it a top choice for OEMs and end-users alike.
991-06-70-01-00Product datasheet
Model number: | 991-06-70-01-00 | Module Type： | Vibration Transmitter | |
Manufacture: | Bently Nevada | Condition： | Brand New | |
Range of Product: | 990 Vibration Transmitter | Lead time： | In Stock | |
Weight: | 0.46 kg | HS CODE： | 8537101190 | |
Dimension: | 7.3x5.9x9.9cm | MOQ: | 1 | |
Product Origin: | USA | System： | TSI | |
Discontinued on: | active | Communication Service: | Ethernet router |
991-06-70-01-00 Functional Description
The Bently Nevada 991-06-70-01-00 Vibration Transmitteris a loop-powered thrust transmitter designed for OEMs of centrifugal compressors, pumps, and fans. This compact device converts signals from 3300 NSv proximity probes into a 4-20 mA output proportional to axial shaft displacement, enabling seamless integration with control systems for machinery protection. The 991-06-70-01-00 Input and Output Cards Bently Nevadafeatures an integrated Proximitor sensor, eliminating the need for external signal conditioning units.
Key advantages of the Bently Nevada 991-06-70-01-00 PDFinclude non-interacting zero/span adjustments, a test input pin for loop verification, and a Power-up Inhibit circuit to prevent transient-related errors. Its "PROX OUT" terminal and coaxial connector provide dynamic vibration signals for diagnostics, while the Not OK/Signal Defeat circuit avoids false alarms from probe faults.
The 990 Vibration Transmitter 991-06-70-01-00 Bently Nevadaoffers flexible DIN-rail or bulkhead mounting and potted construction for 100% condensing environments. Compatible with 5m/7m 3300 NSv probe systems, it excels in space-constrained installations.
Ideal for OEM applications, the Thrust Transmitter 991 Bently Nevadadelivers reliable thrust monitoring with industry-standard outputs, ensuring machinery safety in demanding industrial settings.
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