Product Beschreibung
The Bently Nevada 330850-50-00 is a Proximitor Sensor from the 3300 XL 25 mm Proximity Transducer System. It is designed for precise differential expansion (DE) measurement on steam turbine generators. With a 0.787 V/mm (20 mV/mil) output and a 12.7 mm linear range, it ensures accurate monitoring von axial rotor movement relative to the stator casing.
Product Applications
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Monitoring differential expansion in steam turbines
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Measuring shaft movement in turbine generators
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Used in harsh industrial environments requiring high reliability
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Ideal for large rotating equipment in power generation and petrochemical sectors
Product Advantages
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Extended linear range up to 12.7 mm (500 mils)
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High temperature tolerance up to 200 °C continuous and 250 °C short-term
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Enhanced EMI/RFI immStücky ensures stable operation in noisy environments
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Field replaceable components for simplified maintenance
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CE, ATEX, CSA compliant for global use in hazardous areas
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Backward compatibility with 7200 Series systems
Technical Specifications
| Parameter | Beschreibung |
|---|---|
| System Type | Proximity Transducer System |
| Sensor Output | 0.787 V/mm (20 mV/mil) |
| Linear Range | 12.7 mm (500 mils) |
| Recommended Target Size | ≥ 61 mm (2.4 in) diameter |
| Frequency Response | 0 to 2.7 kHz (+0, -3 dB) |
| Power Supply | -17.5 Vdc to -26 Vdc |
| Operating Temperature (Probe) | -35°C to +200°C |
| Short-term Max Temp (Probe) | +250°C |
| Operating Temp (Sensor) | -51°C to +100°C |
| Sensor Material | A380 Aluminum |
| Probe Material | AISI 304 Stainless Steel |
| Cable Material | PFA-insulated FluidLoc, 75 Ω triaxial |
| Total System Length | 5.0 meters |
| Total Gewicht | Approx. 0.255 kg |
Häufig gestellte Fragen (FAQ)
Q1: What is the main function von the 330850-50-00 Proximitor Sensor?
A1: It measures differential expansion in turbine generators by detecting axial movement between rotor and stator.
Q2: Is this sensor compatible with older Bently Nevada systems?
A2: Yes, it replaces 7200 Series 25 mm and 35 mm systems with no monitor changes needed.
Q3: What type von environments is it suited for?
A3: It is built for high-temperature, high-vibration environments in power plants and industrial machinery.
Q4: What is the output signal von this sensor?
A4: 0.787 V/mm or 20 mV/mil, with a linear range up to 12.7 mm.
Q5: Can it operate in hazardous locations?
A5: Yes, it is CSA, ATEX, and IECEx certified for hazardous area use.
Q6: What material is used for the probe tip?
A6: The tip is made from PEEK (Polyetheretherketone), a durable high-performance polymer.
Q7: How is it installed?
A7: It can be DIN-rail or panel-mounted and includes mounting accessories like the sliding bracket.
Q8: What is the recommended minimum target size?
A8: 61 mm (2.4 inches) diameter for optimal accuracy.
Q9: Can the probe and extension cable be armored?
A9: Yes, stainless steel armor is available as an option.
Q10: Is special wiring required?
A10: Shielded triad cables are recommended for field wiring, up to 305 m in length.
Related Modells in the Same Series
| Modell Number | Beschreibung | Output | Length | Gewicht |
|---|---|---|---|---|
| 330850-90-00 | 9.0 m Proximitor Sensor, panel mount | 20 mV/mil | 9.0 m | 0.265 kg |
| 330850-51-05 | 5.0 m Proximitor Sensor, DIN mount | 20 mV/mil | 5.0 m | 0.255 kg |
| 330851-02-000-080 | M30x2 Thread Probe, 80 mm case length | – | 5.0 m | ~0.38 kg |
| 330854-080-24-05 | 8.0 m Extension Cable, FluidLoc HT | – | 8.0 m | ~0.36 kg |
| 330853-01-00 | Short Sliding Bracket (Single DE setup) | – | Adjustable | 0.58 kg |
| 330854-040-25-05 | 4.0 m Armored Extension Cable | – | 4.0 m | ~0.56 kg |
Popular Bently Nevada Modells
| Modell Number | Beschreibung | Application | Output | Gewicht |
|---|---|---|---|---|
| 3500/42M-01-00 | Proximitor Seismic Monitor | Vibration Monitoring | 4-20 mA | 0.45 kg |
| 3500/22M | Transient Data Interface Module | System Communication | Ethernet | 0.35 kg |
| 330104-00-12-10-02-00 | 8 mm Proximity Probe | Shaft Vibration Measurement | 200 mV/mil | 0.15 kg |
| 330180-91-CN | 3300 XL 8 mm Proximitor Sensor | Proximity Monitoring | 7.87 V/mm | 0.22 kg |
| 3500/15E | Power Supply Module | System Powering | 28 Vdc | 0.40 kg |
| 330130-085-00-05 | Extension Cable (85 ft, 25.9 m) | Probe Connection | – | 0.68 kg |
Unternehmensinformationen
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Add: Alishan Building, 2 Lvling Rd, Bezirk Siming, Xiamen, Fujian, China, 361006
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