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Product Introduction
The Bently Nevada 330425-02-05 Accelerometer is a high-performance piezoelectric vibration sensor designed for critical machinery monitoring. It is engineered to measure casing acceleration in industrial environments, providing reliable data for predictive maintenance and machinery protection systems. This model offers a wide dynamic range and is suitable for applications requiring precise vibration measurements.
Product Specifications
| Parameter | Details |
| Model Number | 330425-02-05 |
| Sensor Type | Piezoelectric Accelerometer |
| Measurement Range | ±75 g peak |
| Sensitivity | 25 mV/g |
| Frequency Response | 10 Hz to 15 kHz |
| Dynamic Range | 110 dB |
| Output Signal | 25 mV/g (at ±75g) |
| Power Supply | -24 VDC (nominal) |
| Mounting Type | Threaded mount (M8 x 1 integral stud) |
| Housing Material | 316L Stainless Steel |
| Connector Type | 3-pin MIL-C-5015 Receptacle |
| Operating Temperature | -40°C to +150°C |
| Weight | 0.1 kg |
| Dimensions | Diameter: 23 mm |
| Approvals | CSA, ATEX, IECEx |
Applications
The 330425-02-05 Accelerometer is ideal for monitoring:
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Gear mesh vibration in turbines and compressors
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Bearing housing acceleration in rotating machinery
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Structural vibration in industrial equipment
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Predictive maintenance programs in power generation and oil & gas industries
Product Advantages
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High Sensitivity: Provides accurate measurements for early detection of machinery faults.
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Wide Frequency Range: Captures a broad spectrum of vibration frequencies for comprehensive analysis.
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Robust Construction: 316L stainless steel housing ensures durability in harsh environments.
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Certified for Hazardous Areas: Complies with CSA, ATEX, and IECEx standards for use in explosive atmospheres.
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Compact Design: Facilitates easy installation in space-constrained applications.
Latest Industry News Headlines
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“Advancements in Vibration Monitoring: Bently Nevada’s 330425-02-05 Accelerometer Sets New Standards”
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“Predictive Maintenance Enhanced by Bently Nevada’s High-Performance Accelerometers”
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“Industrial Safety Boosted with Bently Nevada’s Certified Vibration Sensors”
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“Bently Nevada’s Innovations in Machinery Protection Highlighted at Industry Conference”
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“New Applications for Bently Nevada Accelerometers in Renewable Energy Sector”
Frequently Asked Questions (FAQ)
1.What is the primary function of the 330425-02-05 Accelerometer?
It measures casing acceleration to monitor machinery vibration levels, aiding in early fault detection.
2.Can this accelerometer be used in hazardous environments?
Yes, it is certified under CSA, ATEX, and IECEx standards for use in explosive atmospheres.
3.What is the sensitivity of this model?
The accelerometer has a sensitivity of 25 mV/g.
4.What is the frequency response range?
It operates effectively within a frequency range of 10 Hz to 15 kHz.
5.What type of connector does it use?
It utilizes a 3-pin MIL-C-5015 receptacle for secure connections.
6.What are the dimensions and weight of the sensor?
The sensor has a diameter of 23 mm, a height of 59 mm (including mounting stud), and weighs 99 grams.
7.What power supply is required?
A nominal -24 VDC power supply is needed to operate the internal charge amplifier.
8.Is the sensor suitable for high-temperature applications?
Yes, it operates within a temperature range of -40°C to +150°C.
9.What mounting options are available?
It features a threaded mount with an M8 x 1 integral stud for secure installation.
10.How does this model differ from the 330400 series?
The 330425 offers a higher measurement range (±75 g) and lower sensitivity (25 mV/g) compared to the 330400’s ±50 g range and 100 mV/g sensitivity.
Related Models (Same Series or Function – Accelerometers/Vibration Sensors)
| Model Number | Description | Sensitivity | Output | Mounting |
| 330425-01-05 | Accelerometer, general-purpose, 25 mV/g | 25 mV/g | Voltage | Stud-mounted |
| 330500-02-00 | Velomitor Piezoelectric Velocity Sensor | 3.94 mV/mm/s | Velocity Output | 1/4-28 UNF thread |
| 330400 | Industrial accelerometer with high-temperature tolerance | 10 mV/g | Voltage | Adhesive/bolt |
| 330525-01-02 | Dual-output accelerometer with temperature sensing | 100 mV/g | Voltage & Temp. | Stud-mounted |
| 330450 | Accelerometer with top-exit connector | 100 mV/g | Voltage | Stud-mounted |
| 330930-065-01-00 | Low-profile high-frequency accelerometer | 10 mV/g | Voltage | Adhesive mount |
| 330980-50-05 | 3300 XL Reverse Mount Proximitor Sensor | N/A | Displacement | Reverse mount |
| 991-AXWA-XXX-XXX | Industrial accelerometer with cable assembly (via GE supply) | 100 mV/g | Voltage | 2-pin MIL connector |
Popular Models (Same Brand – Bently Nevada)
| Model Number | Description | Function | Application |
| 3500/42M | Proximitor Seismic Monitor | Shaft vibration monitoring | Turbines, compressors |
| 3500/22M | Transient Data Interface (TDI) | Data collection interface | Machinery protection systems |
| 3500/15 | Power Supply Module | Power for 3500 racks | Condition monitoring systems |
| 330130-040-00-00 | 8mm Proximity Probe | Shaft displacement monitoring | Rotating equipment |
| 330180-50-05 | 3300 XL Proximitor Sensor | Proximity measurement | Motors, pumps |
| 146031-01 | Keyphasor Module | Phase and speed reference | Rotor dynamics analysis |
| 330104-00-10-10-02 | Extension cable for 3300 XL system | Signal extension | Harsh environments |
| 330500-02-00 | Velomitor Velocity Sensor | Housing velocity measurement | Pumps, motors, turbines |
