Product Overview
The Bently Nevada 330980-71-05 3300 XL NSv Rear Sensor is a non-contact eddy current proximity probe designed for small or confined machinery spaces where standard probes cannot fit. As part / the 3300 XL NSv (Narrow Side-view) system, the Rear Sensor allows measurements from the rear access point / a machine, providing highly accurate shaft vibration and position monitoring.
Key Features
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Narrow side-view (NSv) Rear Sensor for limited access installations
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High sensitivity: 7.87 V/mm (200 mV/mil)
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Compatible with 3300 NSv Proximitor Sensors
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CE, CSA, and UL certifications for hazardous locations
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Robust construction for extreme temperatures and vibration
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Factory-calibrated for consistent accuracy
Technical Specifications
| Item | Specification |
|---|---|
| モデル Number | 330980-71-05 |
| Type | 3300 XL NSv Rear Sensor |
| Measurement Principle | Non-contact eddy current proximity probe |
| Target Material | Conductive (typically 4140 steel or equivalent) |
| Sensitivity | 7.87 V/mm (200 mV/mil) |
| Linear Range | 0.25 mm to 2.0 mm (10 to 80 mils) |
| Probe Tip Diameter | 5 mm (NSv design) |
| Probe Length | Rear Sensor configuration |
| Operating Temperature | -35 °C to +177 °C |
| Storage Temperature | -40 °C to +177 °C |
| Pressure Rating | Up to 500 kPa (72 psi) |
| Compatible Proximitor | 3300 NSv Proximitor Sensor |
| Compliance | CE, CSA, UL for hazardous areas |
| Dimensions | Total Length: 7.0 meters |
| 重量 | 0.255 kg |
Industry Applications
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Oil & Gas – turbines, compressors, pumps, and motors
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Power Generation – steam, gas, and hydro turbines
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Petrochemical Plants – rotating machinery in refineries and chemical plants
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Pulp & Paper – critical pumps and process motors
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Mining & Metals – heavy-duty rotating equipment
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Marine & Offshore – propulsion systems and auxiliary rotating equipment
Advantages
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Rear access configuration – ideal for machines with limited front access
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Compact NSv design – fits in tight spaces without compromising accuracy
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High accuracy and reliability – ensures precise long-term monitoring
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Harsh environment resistance – suitable for extreme temperatures and vibrations
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Certified for hazardous areas – CE, CSA, UL compliance
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Seamless integration – works with 3300 NSv Proximitor Sensors and 3500 series monitors
よくある質問 (FAQ)
Q1: What is the main difference between the 330980-71-05 and 330980-70-05?
The 71-05 is a Rear Sensor for rear-access installation, while the 70-05 is a Front Sensor for front-access mounting.
Q2: What is the sensitivity / the Rear Sensor?
It is 7.87 V/mm (200 mV/mil).
Q3: What is the linear measurement range?
0.25 mm to 2.0 mm (10 to 80 mils).
Q4: What is the operating temperature range?
-35 °C to +177 °C.
Q5: Is it compatible with standard Bently Nevada monitoring systems?
Yes, it works with 3300 NSv Proximitor Sensors and integrates with 3500 series monitors.
Q6: Can it be used in hazardous areas?
Yes, it has CE, CSA, and UL certifications.
Q7: What is the probe diameter and length?
5 mm diameter × 32 mm length.
Q8: What industries typically use this sensor?
Oil & Gas, Power Generation, Petrochemical, Pulp & Paper, Mining, and Marine applications.
Q9: How is it mounted?
Using threaded installation in bearing housings or designated rear-access points.
Q10: Why choose the Rear Sensor over the Front Sensor?
It enables monitoring in machines where front access is limited or obstructed, maintaining precise vibration measurement.
Related Bently Nevada モデルs
| モデル Number | 説明 |
|---|---|
| 330980-70-05 | 3300 XL NSv Front Sensor |
| 330980-71-05 | 3300 XL NSv Rear Sensor |
| 330104-00-10-05-01-00 | 3300 XL 8 mm Proximity Probe |
| 330104-00-16-10-11-00 | 3300 XL 8 mm Proximity Probe |
| 330500-00-20 | Velomitor Piezoelectric Velocity Sensor |
| 990-04-70-02-05 | 990 Vibration Transmitter |
Popular Bently Nevada Modules
| モデル Number | 説明 |
|---|---|
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/32M | Relay Module |
| 3500/93 | System Display Module |
| 3500/15 | Power Supply Module |
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