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330500 Velomitor Piezo-velocity Sensor Apr 04, 2023
330500 Velomitor Piezo-velocity Sensor
Bently Nevada Velomitor Piezo-velocity Sensors are designed to measure absolute (relative to free space) bearing housing, casing, or structural vibration. The 330500 is a specialized piezoelectric accelerometer that incorporates embedded integrated electronics in a solid-state design.

Because the 330500 incorporates solid-state electronics and has no moving parts, it does not suffer from mechanical degradation and wear, and can be mounted vertically, horizontally, or at any other angle of orientation


Sensitivity
3.94mV/mm/s (100 mV/in/s) ±5%.
Frequency Response
4.5 Hz to 5 kHz (270 cpm to 300 kcpm) ±3.0 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.
Output Bias Voltage
-12 ±3.0 VDC, over temperature referenced to Pin A.
Dynamic Output Impedance
Less than 2400 Ω
Operating Temperature
-55 °C to 1121 °C (-67 °F to 1250 °F).
Shock Survivability
5,000 g peak, maximum
Relative Humidity
To 100% non-submerged; case is hermetically-sealed.
Base Strain Sensitivity
0.005 in/s/µstrain.
Magnetic Field Susceptibility
<51 µin/s/gauss (50 gauss, 50- 60Hz).

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