Bently Nevada|330750-40|Piezoelectric Velocity Sensor
Description
The Bently Nevada 330750-40 is a high-temperature piezoelectric velocity sensor system designed for extreme environments up to +400°C (+752°F), featuring a 4-meter integrated cable to isolate electronics from heat.
Features
- High-temperature rated sensing head (+400°C).
- Integrated hardline cable eliminates failure-prone connectors.
- Solid-state design with no moving parts.
- Hazardous area certified (ATEX, CSA, IECEx).
Technical Specifications
Electrical Performance
- Sensitivity: 5.7 mV/mm/s (±5%).
-
Frequency Response:
- 15 Hz–2 kHz (±3.0 dB).
- 20 Hz–1 kHz (±0.9 dB).
- Velocity Range: 635 mm/s (25 in/s) peak (<680 Hz).
- Acceleration Range: 2940 m/s² (300 g) peak (>680 Hz).
- Noise Floor: 0.127 mm/s rms (15 Hz–2 kHz).
Environmental & Mechanical
- Sensor Head Temp: -55°C to +400°C (-67°F to +752°F).
- Electronics Temp: -55°C to +121°C (-67°F to +250°F).
- Shock Survival: 24,535 m/s² (2500 g) peak.
- Weight: 794 g (1.75 lb) (4-meter cable).
Bently Nevada|330750-40|Piezoelectric Velocity Sensor


Bently Nevada|330750-40|Piezoelectric Velocity Sensor
Description
The Bently Nevada 330750-40 is a high-temperature piezoelectric velocity sensor system designed for extreme environments up to +400°C (+752°F), featuring a 4-meter integrated cable to isolate electronics from heat.
Features
- High-temperature rated sensing head (+400°C).
- Integrated hardline cable eliminates failure-prone connectors.
- Solid-state design with no moving parts.
- Hazardous area certified (ATEX, CSA, IECEx).
Technical Specifications
Electrical Performance
- Sensitivity: 5.7 mV/mm/s (±5%).
-
Frequency Response:
- 15 Hz–2 kHz (±3.0 dB).
- 20 Hz–1 kHz (±0.9 dB).
- Velocity Range: 635 mm/s (25 in/s) peak (<680 Hz).
- Acceleration Range: 2940 m/s² (300 g) peak (>680 Hz).
- Noise Floor: 0.127 mm/s rms (15 Hz–2 kHz).
Environmental & Mechanical
- Sensor Head Temp: -55°C to +400°C (-67°F to +752°F).
- Electronics Temp: -55°C to +121°C (-67°F to +250°F).
- Shock Survival: 24,535 m/s² (2500 g) peak.
- Weight: 794 g (1.75 lb) (4-meter cable).