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Technical specifications for 990-10-50-03-00
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:990-10-50-03-00
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Estimated shipping dimensions:7.4x5.8x10cm
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Weight:0.5 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Full-scale Option:0-10 mils pp (0-250 μm pp)
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System Length Option:5.0 meters (16.4 feet)
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Mounting Option:DIN clips and screws
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Agency Approval Option:Not required
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Power Supply Requirements:Rated 12 to 36 VDC loop power supply, with 24 VDC typically recommended
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Output Impedance:PROX OUT has a 10 kΩ output impedance calibrated for a 10 MΩ load
Information
Overview
Manuals
Common Applications
Product Precautions
The 990-10-50-03-00 is a 990 series integrated two-wire loop-powered eddy current vibration transmitter manufactured by Bentley Nevada. This device is primarily installed on rotating machinery such as industrial centrifugal fans, pump sets, electric motors, and small to medium-sized compressors to directly convert the micron-level dynamic relative vibration amplitude of the rotating shaft into an industrial-standard analog signal.
- Integrated Proximitor Sensor requires no external unit
- Test Input pin for quick verification of loop signal output, using a function generator as the input
- Choice of DIN-rail clips or bulkhead mounting screws as standard options simplifies mounting
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 990-10-50-03-00 Vibration Transmitter Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Power & Energy Industry
Monitoring radial runout of small-to-medium auxiliary rotating machinery in power plants, interfacing directly with control systems via 4-20 mA signals.
Oil & Gas
Providing low-cost, high-explosion-proof-grade protection for power equipment at unattended outdoor oil and gas gathering stations.
Petrochemical & Refining Industry
Continuous explosion-proof machine safety monitoring for small-to-medium motors and pump groups in volatile, flammable, and explosive hazardous areas.
Iron & Steel / Metallurgy Industry
Interfacing vibration signals of heavy fans or water systems directly into a factory DCS under harsh high-temperature and high-vibration environments.
Paper & Pulp Industry
On-line monitoring of continuous production drive shafts under high-humidity, high-temperature, and chemically corrosive environments.
Pharmaceutical
Providing precise, EMI-immune vibration transmission for agitating machinery inside clean or high-risk explosion-proof workshops.
When using the Bently Nevada 990-10-50-03-00 vibration transmitter, the combined length of the probe's integrated cable and the extension cable must equal exactly the 5.0-meter total system length. Cables must never be cut or spliced, as this will severely compromise the accuracy of the 4-20 mA output. During installation, utilize the integrated base to ensure electrical isolation from the DIN rail, and strictly calibrate the initial static probe gap voltage between -9 Vdc and -10 Vdc via the terminal measurements. Furthermore, because this transmitter carries multiple approvals (Option 00), field wiring must fully comply with intrinsically safe installation standards, and the top stainless steel BNC connector must be used exclusively for temporary portable analyzer connections—it must never be wired as a permanent output for the 4-20 mA signal loop.
Alternative Names
990 10 50 03 00
99O-1O-5O-O3-OO
990-I0-50-03-00
990-04-50-03-00
990-05-50-03-00
990-08-50-03-00
990-10-70-03-00
990-04-70-03-00
990-10-50-03-05
Technical notes
In terms of specific hardware specifications and parameter configurations, this device defines a full-scale relative vibration displacement measurement range of 0 to 10 mils peak-to-peak (approximately 0 to 250 µm peak-to-peak). Functioning as the core hardware for a standard 5.0-meter total system cable length, the unit incorporates a universal physical mounting attachment capable of both 35 mm DIN rail clipping and bulkhead backplate screw fastening. The internal hardware circuitry is factory-calibrated to match the total electrical impedance of this 5.0-meter loop layout, ensuring a highly reliable mechanical fixation and a specific measurement scale under severe industrial environment constraints.
FAQ View All FAQ
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What is the 990-10-50-03-00 device?It is a Bently Nevada 990 Series Proximitor Transmitter, specifically designed to convert the signal from an eddy current proximity probe into an industry-standard 4-20 mA current signal.
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Is the 990-10-50-03-00 a transmitter or a Proximitor sensor?It is a vibration transmitter. It integrates the Proximitor circuitry and built-in signal conditioning to directly output a 4-20 mA current signal proportional to the vibration amplitude.
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How do you use products like the 330102-00-31-05-02-00?It requires a 24 Vdc loop-powered supply and is mounted on a 35mm DIN rail, connected to a Bently 3300 5mm/8mm probe via cable, and its 4-20 mA output is directly wired to the analog input card of a DCS or PLC system.
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What data can the 990-10-50-03-00 measure?Its primary function is to measure radial shaft vibration, while it also features an independent BNC connector that provides raw dynamic AC voltage signals for machinery fault diagnostics.
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Which proximity probes are supported by the 990-10-50-03-00?It supports Bently Nevada's 3300 5 mm or 3300 XL 8 mm proximity probes.
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