190501-02-00-05 is a specific model of Bently Nevada Velomitor CT speed sensor, designed for vibration monitoring of low-speed rotating equipment such as cooling towers. The following is a detailed introduction to this model of sensor:
1、 Product Features
Low frequency optimization design:
Frequency response range: 3.0 Hz to 900 Hz ± 1.0 dB, or 1.5 Hz to 1.0 kHz ± 3.0 dB. This design makes it particularly suitable for measuring cooling tower fan vibration at speeds as low as 90 rpm, with a typical application speed range of 100-300 rpm.
High sensitivity and precise measurement:
Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ± 5%, ensuring the ability to capture small vibration changes.
Lateral response: less than 5% of axial sensitivity, reducing the impact of non axial vibration on measurement results and improving measurement accuracy.
Long distance signal transmission:
Supports cable connections up to 305 meters (1000 feet) without signal attenuation, suitable for remote monitoring of large cooling systems.
High reliability:
Shell material: 316L stainless steel, with excellent corrosion resistance and mechanical strength, can adapt to harsh industrial environments.
Working temperature range: -40 ° C to+85 ° C (-40 ° F to+185 ° F), ensuring stable operation under various climatic conditions.
System compatibility:
Fully compatible with Bently Nevada 3300 series and 3500 series monitoring systems, facilitating system integration and upgrades for users.
Hazardous Area Certification:
Multiple explosion-proof certification options such as ATEX and IECEx are available to meet the requirements for use in hazardous areas.
Technical specifications and parameters
Measurement range: 63.5 mm/s pk (2.5 in/s pk)
Maximum cable length: 305 meters (1000 feet) (without signal attenuation)
Installation surface diameter: 33 mm (1.3 inches)
Height: 82 mm (3.2 inches)
Weight: Approximately 0.1 kg
Connection interface: MIL-C-5015 standard connection interface (ensuring connection stability and reliability)
Application scenarios
Monitoring of cooling tower fan components:
By monitoring the vibration of the shell, faults such as bearing wear, imbalance, and misalignment can be detected in advance to avoid equipment damage and shutdown.
Air cooled heat exchanger inspection:
Detect abnormal vibration in the fan system to ensure normal operation of the equipment.
Monitoring of low-speed rotating equipment:
Suitable for vibration monitoring of other low-speed rotating machinery operating in the range of 90-300 rpm, such as certain specific fans, pumps, etc.
Predictive maintenance:
By continuously monitoring vibration data, analyzing the operating status and trends of equipment, optimizing maintenance plans, reducing unplanned downtime, and lowering maintenance costs.
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