330525 Velomitor® XA Piezo-Velocity Sensor - Bently Nevada[Feb. 13, 2012 3:13:34]
Specification
330525 Velomitor® XA Piezo-Velocity Sensor
Brand : Bently Nevada
Piezo-Velocity Transducers System
This is an environmentally hardened version of our 330500 Velomitor® piezoelectric transducer, and is designed to meet NEMA 4X and IP65 ratings without the use of a housing. The piezoelectric sensor' s mounting stud uses pipe threads and does not require the transducer base to be flush with the machine case. This eliminates special mounting surface preparation required with other velocity transducers, resulting in lower installation costs.
Electrical
+ Sensitivity : 3.94mV/ mm/ s ( 100 mV/ in/ s) ± 5% .
+ Frequency Response : 4.5 to 2, 000 Hz ( 270 to 120, 000 cpm) ± 3.0 dB,
6.0 to 1, 000 Hz ( 360 to 60, 000 cpm) ± 0.9 dB.
+ Temperature Sensitivity : -14% to + 7.5% typical over the operating temperature range.
+ Velocity Range : 1270 mm/ s ( 50 in/ s) peak.
+ Transverse Sensitivity : Less than 5% of sensitivity.
+ Amplitude Linearity : ± 2% to 152 mm/ s ( 6 in/ s) peak.
+ Mounted Resonant Frequency : Greater than 12 kHz.
+ Broadband Noise Floor : ( 4.5 Hz to 2 kHz) 0.004 mm/ s ( 160 ¼ in/ s) rms, nominal.
+ Maximum cable length : 305 metres ( 1, 000 feet) of cable, BN part number 02173007 with no degradation of signal.
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