Overview
The Bently Nevada 330425-01-05 is a rugged, industrial-grade accelerometer designed for casing acceleration measurements on critical rotating equipment. It is particularly suited for gear mesh and bearing diagnostics where high dynamic range and precision are required.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル Number | 330425-01-05 |
| Sensitivity | 25 mV/g (2.5 mV/m/s²) ±5% |
| Acceleration Range | 735 m/s² (75 g) peak (10 Hz to 15 kHz) |
| Frequency Response | 10 Hz to 15 kHz ±3 dB / 30 Hz to 10 kHz ±10% |
| Noise Floor | 0.098 m/s² (0.01 g) rms |
| Transverse Sensitivity | <5% / axial |
| Mounted Resonant Frequency | >30 kHz |
| Operating Temperature Range | -55°C to +121°C (-67°F to +250°F) |
| Shock Survivability | 49,050 m/s² (5000 g) peak |
| Relative Humidity | 100% condensing, hermetically sealed |
| Power Supply | -24 ± 0.5 Vdc, 2 mA nominal, -8.5 ± 0.5 Vdc output bias |
| Connector Type | 3-pin MIL-C-5015 receptacle |
| Material | 316L Stainless Steel |
| IP Rating | IP68 (Sensor only) |
| 重量 | 100 g (0.1 kg) |
| Sensor Head Diameter | 23 mm (0.93 in) |
| Height | 59 mm (2.3 in), including mounting stud |
| Mounting Torque | 4.1 N·m (3.0 ft·lb) |
| Mounting Orientation | Any |
Applications
-
Gear mesh vibration analysis
-
Bearing housing monitoring
-
Casing-mounted vibration sensing
-
API 670-compliant rotating machinery
-
Harsh industrial and petrochemical environments
Key Advantages
-
Wide amplitude range (up to 75 g peak)
-
Solid-state, hermetically sealed stainless-steel construction
-
Suitable for use in hazardous and explosive areas
-
IP68 environmental protection for sensor head
-
Minimal transverse and base strain sensitivity
-
Designed to meet API 670 guidelines
よくある質問 (FAQ)
Q1: What is the sensitivity rating / this model?
A1: 25 mV/g (±5%).
Q2: What is the peak acceleration range it can handle?
A2: Up to 75 g peak.
Q3: Is this sensor compliant with API 670?
A3: Yes, it adheres to API 670 specifications.
Q4: Can it be installed in any orientation?
A4: Yes, it supports installation in any direction.
Q5: What is the working temperature range?
A5: -55°C to +121°C (-67°F to +250°F).
Q6: What type / connector is used?
A6: A 3-pin MIL-C-5015 receptacle.
Q7: Is the device explosion-pro/ or intrinsically safe?
A7: Yes, it has CSA, ATEX, and IECEx approvals for hazardous zones.
Q8: What is its ingress protection level?
A8: IP68 (sensor only).
Q9: What is the material / the sensor housing?
A9: 316L stainless steel.
Q10: Does it require a specific mounting base?
A10: For older models (without “G” prefix serial numbers), a mounting base is recommended to reduce strain sensitivity.
Related モデルs (Same Series or Function)
| モデル Number | Sensitivity | Acceleration Range | Frequency Response | 重量 |
|---|---|---|---|---|
| 330400-01-05 | 100 mV/g | 50 g peak | 10 Hz to 15 kHz | 100 g |
| 330500-01-05 | 10 mV/g | 500 g peak | 3 Hz to 20 kHz | 95 g |
| 330525-01-05 | 100 mV/g | 50 g peak | 10 Hz to 15 kHz | 100 g |
| 330780-51-00 | 100 mV/g | 50 g peak | 2 Hz to 10 kHz | 110 g |
| 330730-00-02 | 100 mV/g | 50 g peak | 10 Hz to 10 kHz | 105 g |
| 991-06-XX-01-01 | 500 mV/g | 10 g peak | 2 Hz to 10 kHz | 85 g |
Popular Bently Nevada モデルs
| モデル Number | 説明 | Sensitivity | Application | 重量 |
|---|---|---|---|---|
| 3500/42M | Proximitor Seismic Monitor Module | N/A | Shaft vibration monitoring | 0.6 kg |
| 3500/22M | Transient Data Interface Module | N/A | System interface | 0.5 kg |
| 3300 XL 8mm | Proximity Probe System | N/A | Shaft displacement monitoring | 120 g |
| 3500/15E | Power Supply Module | N/A | Rack power supply | 1.0 kg |
| 330180-91-CN | Proximitor Sensor | N/A | Vibration detection | 95 g |
| 990-04-XX-01-00 | Velocity Transducer | 20 mV/in/sec | General-purpose velocity sensing | 140 g |
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