説明
The Bently Nevada 330400-02-00 is a high-performance accelerometer transducer tailored for machinery condition monitoring, especially for detecting casing vibration in critical assets. It adheres to API 670 standards and delivers a sensitivity / 100 mV/g, supporting peak acceleration up to 50 g. This makes it highly suitable for gear mesh and bearing housing vibration analysis.
Applications
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Gear mesh monitoring
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Bearing casing vibration measurement
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状態-based maintenance in rotating machinery
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Machinery protection systems
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Integration into API 670 compliant systems
Advantages
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High sensitivity (100 mV/g) for accurate detection
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Wide frequency response: 10 Hz to 15 kHz
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Hermetically sealed stainless steel construction
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優良 shock survivability (5000 g)
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IP68 protection, suitable for harsh environments
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Long cable run capability up to 305 meters without signal loss
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensitivity | 10.2 mV/m/s² (100 mV/g) ±5% |
| Acceleration Range | 490 m/s² (50 g) peak |
| Frequency Response | 10 Hz to 15 kHz (±3 dB) |
| Amplitude Linearity | ±1% to 490 m/s² (50 g) |
| Broadband Noise Floor | 0.039 m/s² (0.004 g) rms |
| Temperature Sensitivity | -11% to +3% typical over operating range |
| Mounted Resonant Frequency | >30 kHz |
| 重量 (Sensor Head Only) | 100 g (0.1 kg) |
| Sensor Head Diameter | 23 mm |
| Height (with mounting stud) | 59 mm |
| Operating Temp Range | -55°C to +121°C |
| Shock Survivability | 49,050 m/s² (5000 g) peak |
| Relative Humidity | 100% condensing (non-submerged) |
| Case Material | 316L stainless steel |
| Connector | 3-pin MIL-C-5015 receptacle |
| Power Supply | -24 Vdc, 2 mA nominal |
| Output Bias Voltage | -8.5 Vdc ±0.5 V |
| Max Cable Length | 305 m (1000 ft) without degradation |
| IP Rating | Equivalent to IP68 |
| Mounting Torque | 4.1 N·m (3.0 ft·lb) |
FAQs
Q1: What is the primary application / the 330400-02-00 accelerometer?
A1: It is primarily used for casing vibration measurement in critical rotating machinery, such as in compressors, turbines, and pumps.
Q2: Does this model comply with any industrial standards?
A2: Yes, it complies with the American Petroleum Institute (API) Standard 670.
Q3: What is the maximum acceleration it can measure?
A3: It can measure up to 50 g peak acceleration within 10 Hz to 15 kHz.
Q4: Is it suitable for harsh environments?
A4: Yes, it features IP68 sealing and can operate from -55°C to +121°C.
Q5: How is it powered?
A5: It operates with an input voltage / -24 Vdc and a bias current / 2 mA.
Q6: Can the sensor be mounted in any orientation?
A6: Yes, it supports mounting in any orientation without performance loss.
Q7: What type / connector does it use?
A7: A 3-pin MIL-C-5015 receptacle is used for connectivity.
Q8: What is the recommended mounting torque?
A8: 4.1 N·m (3.0 ft·lb) is the specified mounting torque.
Q9: Can this accelerometer support long cable lengths?
A9: Yes, up to 305 meters (1000 ft) with no signal degradation.
Q10: What materials are used for the sensor housing?
A10: It is constructed from corrosion-resistant 316L stainless steel.
Related モデルs (Same Series or Function)
| モデル Number | Sensitivity | Accel. Range | Output Type | Frequency Response |
|---|---|---|---|---|
| 330425-02-00 | 25 mV/g | 75 g peak | Voltage | 10 Hz – 15 kHz |
| 330500-02-00 | 100 mV/g | 50 g peak | Voltage | 2 Hz – 20 kHz |
| 330525-02-00 | 25 mV/g | 75 g peak | Voltage | 2 Hz – 20 kHz |
| 330730-02-00 | 100 mV/g | 50 g peak | Velocity | 3 Hz – 10 kHz |
| 330180-91-CN | 200 mV/mil | — | Proximitor | 0 – 10 kHz |
| 330101-00-08-10-02-00 | 7.87 mV/μm | — | Proximity | DC – 10 kHz |
Popular Bently Nevada モデルs
| モデル Number | 説明 | Application | Sensitivity / Output |
|---|---|---|---|
| 3500/42M | Proximitor Seismic Monitor | Shaft/Case Vibration Monitoring | Various Channels |
| 3500/44M | Aeroderivitive GT Vibration Monitor | Gas Turbine Monitoring | Multiple Vibration Types |
| 3500/22M | Transient Data Interface Module | Data Integration | System Interface |
| 330103-00-05-10-02-00 | Proximity Probe | Shaft Vibration | 8 mm / 5 m cable |
| 330104-00-10-10-02-00 | Proximity Probe | Shaft Vibration | 11 mm / 10 m cable |
| 330130-040-00-00 | Extension Cable | Probe Connectivity | 4 m Shielded Cable |
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