Brand: Bently Nevada  

Model: 190501-03-99-00

Type: Velocity Transducer  

Operating Temperature: -40°C to +85°C (-40°F to +185°F)

Storage Temperature: -40°C to +100°C (-40°F to +212°F)

Shock Limit: 5000 g pk, maximum

Humidity Limit: 100% condensing, non-submerged

Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5%

Frequency Response: 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB

Transverse Response: Less than 5% of the axial sensitivity

Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk)

Mounted Resonant Frequency: 9 kHz, minimum (stud mounted, except quick disconnect)

Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B

Dynamic Output Impedance: <400 Ω typical

Broadband: 0.229 mm/s (0.009 in/s) pk

Case Material: 316L stainless steel

Connector: 2-pin 316L stainless steel MIL-C5015, top

Mounting Torque: 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf)

The Velomitor CT Velocity Transducer is a low-frequency version of our standard Velomitor Piezo-velocity Sensor.   Its design is specifically engineered to measure casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm (typically 100 to 300 rpm).

The Velomitor CT Transducer can measure vibration amplitudes at these frequencies as well as the vibration frequencies generated by the fan motor and speed reducer.

In addition, be careful install the accelerometer transducer on the bearing housing or machine casing correctly. Improper installation may reduce the transducer's amplitude and frequency response or generate false signals that do not accurately reflect the actual vibration. Please refer to the relevant instruction manuals and Application Notes for proper installation guidance.

Upon request, Bently Nevada offers engineering services to help identify the correct machine housing measurements and provide installation assistance if needed.

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