Bently Nevada|330145-14|Piezoelectric Accelerometer
Description
The Bently Nevada 330145-14 is a piezoelectric accelerometer for machinery vibration monitoring, featuring solid-state design and flexible mounting.
Features
- Hermetically sealed 316L stainless steel housing
- Built-in electronics for reliable performance
- Suitable for hazardous environments (ATEX/IECEx certified)
- No mechanical wear due to solid-state construction
Technical Specifications
Electrical
- Sensitivity: 3.94 mV/mm/s (±5%)
- Frequency response:
- 4.5 Hz – 5 kHz (±3.0 dB)
- 6.0 Hz – 2.5 kHz (±0.9 dB) - Velocity range: 1270 mm/s peak (50 in/s)
- Output bias voltage: -12 ±3.0 VDC
- Noise floor: 0.004 mm/s RMS (4.5 Hz – 5 kHz)
Environmental
- Operating temperature: -55°C to +121°C
- Shock survivability: 5000 g peak
- Humidity tolerance: 100% non-submerged
Physical
- Weight: 142 g (5.0 oz)
- Dimensions: 25.3 mm diameter × 63.2 mm height
- Mounting torque: 32–46 kg·cm
Hazardous Area Certifications
- ATEX/IECEx: Ex ia IIC T4 (Zone 0/1), Ex nL IIC T4 (Zone 2)
- Entity parameters:
- Ui = 28V, Ii = 150mA, Pi = 0.84W (Zone 0/1)
- Ci ≤ 10.8 nF, Li = 0.
Bently Nevada|330145-14|Piezoelectric Accelerometer


Bently Nevada|330145-14|Piezoelectric Accelerometer
Description
The Bently Nevada 330145-14 is a piezoelectric accelerometer for machinery vibration monitoring, featuring solid-state design and flexible mounting.
Features
- Hermetically sealed 316L stainless steel housing
- Built-in electronics for reliable performance
- Suitable for hazardous environments (ATEX/IECEx certified)
- No mechanical wear due to solid-state construction
Technical Specifications
Electrical
- Sensitivity: 3.94 mV/mm/s (±5%)
- Frequency response:
- 4.5 Hz – 5 kHz (±3.0 dB)
- 6.0 Hz – 2.5 kHz (±0.9 dB) - Velocity range: 1270 mm/s peak (50 in/s)
- Output bias voltage: -12 ±3.0 VDC
- Noise floor: 0.004 mm/s RMS (4.5 Hz – 5 kHz)
Environmental
- Operating temperature: -55°C to +121°C
- Shock survivability: 5000 g peak
- Humidity tolerance: 100% non-submerged
Physical
- Weight: 142 g (5.0 oz)
- Dimensions: 25.3 mm diameter × 63.2 mm height
- Mounting torque: 32–46 kg·cm
Hazardous Area Certifications
- ATEX/IECEx: Ex ia IIC T4 (Zone 0/1), Ex nL IIC T4 (Zone 2)
- Entity parameters:
- Ui = 28V, Ii = 150mA, Pi = 0.84W (Zone 0/1)
- Ci ≤ 10.8 nF, Li = 0.