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Bently Nevada
Bently Nevada 330400 / 330425 Accelerometer
Quote on request
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BN 330400/330425: 50 g / 75 g; 100 / 25 mV/g; 10 Hz–15 kHz; API 670 intent. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
330400: 490 m/s² (50 g) peak within 10 Hz–15 kHz; 330425: 735 m/s² (75 g) peak within 10 Hz–15 kHz
Accuracy
330400 sensitivity 10.2 mV/m/s² (100 mV/g) ±5%; 330425 2.5 mV/m/s² (25 mV/g) ±5%; amplitude linearity ±1% to rated peak
Output
Accelerometer acceleration transducer voltage output for critical machinery / gear-mesh monitoring
Supply
Constant-current IEPE-style excitation per Bently Nevada monitor systems (see datasheet)
Electrical connection
Per datasheet connector/cable options
Ambient temperature
+20 to +30 °C reference for listed electrical specs; wider operating envelope in datasheet
Fits critical machinery and gear-mesh monitoring where you need a Bently Nevada 330400 or 330425—piezoelectric accelerometers with 50 g or 75 g peak ranges, 100 mV/g or 25 mV/g ±5% sensitivity, and about 10 Hz–15 kHz frequency response for casing vibration.
Key advantages
- 330400 — 50 g peak; 100 mV/g ±5%
- 330425 — 75 g peak; 25 mV/g ±5%
- Band — About 10 Hz–15 kHz class
- Intent — 330400 addresses API 670 accelerometer requirements
- Use — Critical machinery / gear-mesh monitoring
Typical applications
- Turbomachinery casing vib.
- Gearbox mesh.
- API 670-oriented accel points.
Selection guide
- 50 g vs 75 g
- Sensitivity 100 vs 25 mV/g
- Cable/connector
Common mistakes
- Wrong scale factor in monitor.
- Poor ground path.
- Over-torque mount.
When to RFQ / what to tell us
- Model/cable.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 44331 |
| Brand | Bently Nevada |
| Model | 330400 / 330425 |
| Product type | Accelerometer |
| Measuring range | 330400: 490 m/s² (50 g) peak within 10 Hz–15 kHz; 330425: 735 m/s² (75 g) peak within 10 Hz–15 kHz |
| Accuracy | 330400 sensitivity 10.2 mV/m/s² (100 mV/g) ±5%; 330425 2.5 mV/m/s² (25 mV/g) ±5%; amplitude linearity ±1% to rated peak |
| Output signal | Accelerometer acceleration transducer voltage output for critical machinery / gear-mesh monitoring |
| Sensor type | Piezoelectric accelerometer (API 670 intent for 330400) |
| Mounting | Case-mounted on bearing housing / machine casing per OEM guidance |
| Frequency response | 10 Hz–15 kHz class (±3 dB family literature); broadband noise floor 0.004–0.01 g rms depending on model |
| Approvals | Designed to address API 670 accelerometer requirements (330400) |
Documents
FAQ
Q: 330400 range? A: 50 g peak.
Q: 330425 sensitivity? A: 25 mV/g ±5%.
Q: What should I send for a quote? A: Model/cable, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | 330400: 490 m/s² (50 g) peak within 10 Hz–15 kHz; 330425: 735 m/s² (75 g) peak within 10 Hz–15 kHz |
| Accuracy | 330400 sensitivity 10.2 mV/m/s² (100 mV/g) ±5%; 330425 2.5 mV/m/s² (25 mV/g) ±5%; amplitude linearity ±1% to rated peak |
| Output | Accelerometer acceleration transducer voltage output for critical machinery / gear-mesh monitoring |
| Supply | Constant-current IEPE-style excitation per Bently Nevada monitor systems (see datasheet) |
| Electrical connection | Per datasheet connector/cable options |
| Ambient temperature | +20 to +30 °C reference for listed electrical specs; wider operating envelope in datasheet |
| Approvals | Designed to address API 670 accelerometer requirements (330400) |
| Mounting | Case-mounted on bearing housing / machine casing per OEM guidance |
| Sensor type | Piezoelectric accelerometer (API 670 intent for 330400) |
| Notes | Specs from Bently Nevada datasheet 141638 Rev. AB. |
| Frequency Response | 10 Hz–15 kHz class (±3 dB family literature); broadband noise floor 0.004–0.01 g rms depending on model |