190501 Velomitor® CT Velocity Transducer - Bently Neva[Feb. 13, 2012 3:19:22]
Specification
190501 Velomitor® CT Velocity Transducer
Brand : Bently Nevada
This is a low-frequency version of our Velomitor® transducer, specifically designed for cooling tower monitoring applications with rotational speeds as low as 90 rpm.
Electrical
+ 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
1.5 Hz to 1.0 kHz ( 90 to 60, 000 cpm) ± 3.0 dB
+ Temperature Sensitivity : -8% to + 5% typical over the operating temperature range.
+ Velocity Range : 63.5 mm/ s pk ( 2.5 in/ s pk) ( see Figure 4 and Figure 5) . Vibration components in excess of 10g pk above 1 kHz can significantly reduce this range.
+ 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 :
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