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Technical specifications for 190501-12-00-04
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:190501-12-00-04
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Estimated shipping dimensions:3.6x3.1x10cm
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Weight:0.38 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Mounting Hardware:Plate Stud 3/8-in 24 to M8x1
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Connection:MIL-C-5015 connection interface
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Mounting Surface:33 mm diameter (1.3 in diameter)
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Operating Temperature:-40 °C to +85 °C
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Operating Frequency:50 Hz / 60 Hz
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Environmental Protection:IP67
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Mounting Hardware Option:Plate Stud 3/8-in 24 to M8x1
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Connection Option:MIL-C-5015 connection interface
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Agency Approval Option:CSA/NRTL/C (Class I, Division 1), ATEX/IECEx/CSA (Class I, Zone 0/1)
Information
Overview
Manuals
Common Applications
Product Precautions
The 190501-12-00-04 is a low-frequency version of the standard Velomitor Piezo-velocity Sensor. It measures casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm (100 to 300 rpm typical). The Velomitor CT Transducer measures vibration amplitudes at these frequencies as well as the vibration frequencies generated by the fan motor and speed reducer.
- 3Hz Low-Speed Tracking: Measures cooling tower vibrations down to 90 rpm accurately
- Severe-Environment Survival: 316L SS housing, 5000g shock limit, and ATEX certified
- Dual-Frequency Diagnostics: Simultaneously monitors low-frequency fan blade movement and high-frequency gearbox faults
For continuous machinery protection, the 190501-12-00-04 integrates directly into Bently Nevada 3500/42M or 3500/46M vibration monitors, Orbit 60 systems, and distributed control systems (DCS). The factory calibration ensures precise impedance matching across the entire 3.0 Hz to 900 Hz frequency spectrum, enabling early detection of low-frequency unbalance, blade pass frequencies, and gear mesh faults without requiring field recalibration.
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 190501-12-00-04 Velomitor CT Velocity Transducer 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.
Thermal Power Plants
Monitoring vibration on low-speed fan driving bearing housings of giant mechanical draft cooling towers in circulating water pump stations to prevent mechanical instability from blade fractures.
Nuclear Power Conventional Island Engineering
Conducting continuous condition monitoring on multiple low-speed large fans of ultra-large mechanical draft circulating water cooling towers in conventional islands, with an explosion-proof design meeting plant safety ratings.
Papermaking & Pulping Industry
Used for vibration velocity acquisition on cooling tower fan casings within wastewater treatment and large-capacity water-circulating systems of paper mills, withstanding long-term high-humidity environments.
Pharmaceutical Manufacturing & Biotechnology
Deployed on ventilation system casings of large HVAC and fermentation-cooling water-circulating towers in sterile plants, with a corrosion-resistant 316L stainless steel housing meeting on-site environment needs.
Air Separation & Industrial Gas Production
Monitoring fan gearboxes of closed industrial water cooling towers paired with multi-stage large compressor trains, avoiding production process downtime by tracking vibration.
Polysilicon & Semiconductor Wafer Facilities
Installed on large, slow-speed power blade drive gearboxes of ultrapure water-cooling process towers outside cleanroom facilities to ensure around-the-clock equipment integrity.
CRITICAL NOTICE: Mount the sensor strictly to a flat, clean surface with 4.5 N·m torque to prevent signal distortion. Ensure the 2-pin connector is fully sealed against moisture, and always route connections through an approved safety barrier when operating in ATEX hazardous areas.
Alternative Names
190501-12-00-04
190501-12-00-00
190501-12-00-01
190501-12-00-CN
190501-12-00-RU
190501-12-00-BR
190501 12 00 04
190501-12-00-O4
190501-12-OO-04
1905O1-12-00-04
19O501-12-00-04
190501-I2-00-04
19050I-12-00-04
I90501-12-00-04
19O5O1-12-OO-O4
I9050I-I2-00-04
I9O5OI-I2-OO-O4
Technical notes
Low-speed (3Hz/90rpm) vibration sensor featuring 100mV/in/s sensitivity, 316L SS casing, 3/8-24 to 1/2-20 mounting stud, 2-pin MIL-C-5015 connector, and ATEX/hazardous area certification.
FAQ View All FAQ
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What is the Bently Nevada 190501-12-00-04 Velocity Transducer?It is a heavy-duty, piezo-velocity sensor designed for low-speed machinery condition monitoring. It directly measures the casing vibration velocity of rotating assets.
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What equipment is the 190501-12-00-04 primarily used on?It is specifically engineered for low-speed, industrial cooling tower fans, air-cooled heat exchangers (fin-fans), and slow-moving dampeners or agitators.
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What is the minimum machine speed that the 190501-12-00-04 can monitor?It can reliably measure low-frequency vibrations down to 3.0 Hz, which corresponds to rotating speeds as low as 90 rpm.
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How should the 190501-12-00-04 transducer be properly installed?It must be stud-mounted vertically or horizontally onto a flat, clean machined surface on the bearing housing using the provided 3/8-24 to 1/2-20 stud adapter, torqued to 4.5 N·m (40 in·lb).
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What type of cable connection does the 190501-12-00-04 use?It requires a standard 2-pin MIL-C-5015 shielded twisted pair cable assembly (such as the Bently Nevada 106765 or 133202 cables).
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