Bently Nevada Velomitor Sensor - Specifications; Standard Use Specifications (330500, 330525)

330500 Velomitor Sensor, 330525 Velomitor XA Sensor, 330530 Radiation Resistant Velomitor Sensor Operation Manual
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5. Specifications
5.1 Standard Use Specifications (330500, 330525)
Parameters are specified at 77° F (25° C) unless otherwise indicated.
330500 Velomitor®
Sensor
330525 Velomitor®
XA Sensor
5.1.1 Electrical
Sensitivity
4 mV/mm/s (100 mV/in/s) ±5% at 100 Hz
Frequency Response ±0.9 dB, 6.0 Hz to 2.5 kHz
±3.0 dB, 4.5 Hz to 5.0 kHz
±0.9 dB, 6.0 Hz to 1.0
kHz
±3.0 dB, 4.5 Hz to 2.0
kHz
Velocity Range 1270 mm/s (50 in/s), peak
Transverse Sensitivity <5% of axial sensitivity
Amplitude Linearity
±2% to 6.0 in/s, peak
Mounted Resonant
Frequency
12 kHz, minimum
Power Requirements DC Voltage: -22 to -30 Vdc
Bias Current: 2.5 to 6.0 mA
Output Bias Voltage
-12.0±3.0 Vdc, Over Temperature
Referenced to pin A
Dynamic Output
Impedance
<2400 Ω
Broadband Noise Floor
< 0.004 mm/s (160 µin/s)
Grounding Case Isolated
Maximum Cable Length 305 m (1000 ft) with no signal degradation
5.1.2 Environmental
Operating Temperature
Range
-55
°
C to 121
°
C (-67
°
F to 250
°
F)
Shock Limit 5000 g’s, peak
Humidity Limit 100% Relative (hermetically sealed)
5.1.3 Mechanical
Weight 150 g, (5.3 oz), typical
Dimensions See Figures 5-1 See Figures 5-1
Case Material 304L Stainless Steel 316L Stainless Steel
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