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Brand: Bently Nevada  

Model:190501-04-99-00

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.

Frequently Asked Questions

Q1: What is the Bently Nevada 190501-04-99-00 Velocity Transducer used for?

A1: It is used for vibration velocity measurement and condition monitoring of rotating machinery.

Q2: What is the 190501-04-99-00 storage temperature range of the transducer?

A2: The 190501-04-99-00 storage temperature range is -40°C to +100°C (-40°F to +212°F).

Q3: What is the 190501-04-99-00 maximum shock limit of the transducer?

A3: The 190501-04-99-00 transducer can withstand a maximum shock of 5000 g peak.

Q4: What is the 190501-04-99-00 humidity limit of the transducer?

A4: It can operate in up to 100% condensing humidity, provided it is not submerged.

Q5: What is the 190501-04-99-00 sensitivity of the transducer?

A5: The 190501-04-99-00 sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%.

Product Applications

Cooling Towers and Radiators: Fan assemblies widely used in cooling towers and air-cooled heat exchangers (equipment with speeds down to 90 RPM).

Power Industry: Condition monitoring of large air-cooled fans, water pumps, and wind power generation equipment.

Petrochemical and Metallurgical Industries: Mechanical protection and fault diagnosis for areas with severe low-frequency vibration, such as fans, gearboxes, and reducers.