Product Overview

The Bently Nevada 190501-02-00-05 is a high-precision Velomitor CT (Cooling Tower) velocity transducer specifically engineered to monitor casing vibration on low-speed rotating machinery. While the model number is sometimes associated with broader control boards, this specific 190501 configuration is a specialized piezo-velocity sensor optimized for detecting mechanical pathologies at frequencies as low as 1.5 Hz (90 RPM). It provides a critical data link for machinery protection systems, allowing for the early identification of rotor unbalance and structural looseness in large-scale cooling tower fans and heat exchangers.

Hardware Parameters

The 190501-02-00-05 is built to deliver high-fidelity vibration data through a ruggedized, two-wire loop-powered interface.

• Model Number 190501-02-00-05

• Transducer Type Piezo-velocity (Solid-state)

• Frequency Response 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB

• Sensitivity 3.94 mV/mm/s (100 mV/in/s) ±10%

• Mounting Stud 3/8-24 to 1/2-20 thread adapter (Option -02)

• Connection Interface 2-pin MIL-C-5015 connector

• Hazardous Area Rating CSA/NRTL/C certified for Class I, Div 2 (Option -05)

• Dynamic Range Up to 1270 mm/s (50 in/s) peak

• Enclosure Material Hermetically sealed 316L Stainless Steel

Industrial Applications

This transducer is the industry standard for monitoring the structural health of assets in power generation and petrochemical cooling systems. Its specialized low-frequency tuning makes it ideal for:

• Cooling Tower Fan Protection Capturing vibration signatures from slow-turning fan blades that standard velocity sensors might miss.

• Gearbox and Drive-Train Diagnostics Monitoring the mechanical condition of speed reducers and fan motors to detect gear mesh issues or misalignment.

• Predictive Maintenance Providing the necessary frequency and amplitude data to trend bearing wear and shaft unbalance before catastrophic failure occurs.

• Harsh Environment Monitoring Operating reliably in the high-humidity and corrosive mist environments common to cooling tower cells.

The 190501-02-00-05 integrates seamlessly with Bently Nevada 3500/42M or 1900/65A monitors, ensuring that critical low-speed fans are protected by the same level of sophistication as high-speed turbines.