Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Bently Nevada 330850-50-CN is part of the 3300 XL 25 mm Proximity Transducer System, tailored for measuring differential expansion (DE) in large steam turbines. It provides a 0.787 V/mm (20 mV/mil) output, ensuring accurate and reliable performance in harsh industrial environments. Designed for compatibility with older 7200 series systems, it simplifies system upgrades.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330850-50-CN |
| System Length | 5.0 meters |
| Linear Range | 12.7 mm (500 mils) |
| Scale Factor | 0.787 V/mm (20 mV/mil) |
| Frequency Response | 0–2.7 kHz (+0, -3 dB typical) |
| Operating Temperature (Sensor) | -51°C to +100°C |
| Storage Temperature (Sensor) | -51°C to +105°C |
| Sensor Housing Material | A380 Aluminum |
| Probe Case Material | AISI 304 Stainless Steel |
| Probe Tip Material | PEEK (Polyetheretherketone) |
| Connector Material | Gold-plated brass & beryllium copper |
| System Mass (Proximitor Sensor) | 255 g (0.255 kg) |
| Total Length | 5.0 meters |
Applications
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Differential Expansion (DE) monitoring in steam turbine generators
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Axial displacement measurement of large rotating machinery
-
High-temperature turbine environments
-
Compatible with retrofitting 7200 systems
Product Advantages
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High Accuracy: Linear range of 12.7 mm with tight deviation (±0.31 mm)
-
Environmental Durability: Operates up to 200°C; resistant to moisture and contamination
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Compatibility: Direct replacement for 7200 and DE Integral systems
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Flexible Mounting: Panel or DIN rail options
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Robust Signal Integrity: Excellent EMI/RFI immunity and CE compliance
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the 330850-50-CN sensor?
A1: It measures differential expansion in large turbines by detecting axial movement.
Q2: Is it compatible with older 7200 series probes and monitors?
A2: It can replace 7200 series components, but all parts must be upgraded to 3300 XL.
Q3: What is the output signal range?
A3: 0.787 V/mm (20 mV/mil) across a linear range of 12.7 mm.
Q4: Can this sensor be used in high-temperature applications?
A4: Yes, the probe operates up to 200°C continuously and 250°C intermittently.
Q5: What type of mounting does it support?
A5: Supports both DIN-rail and panel mounting.
Q6: What is the recommended target size for optimal performance?
A6: 61 mm (2.4 in) diameter or larger.
Q7: Is special calibration available for different materials?
A7: Yes, factory calibration to materials other than AISI 4140 is available.
Q8: Does it require a specific extension cable?
A8: Yes, it must use the matched 3300 XL 25 mm extension cable.
Q9: What environmental standards does it comply with?
A9: Meets CE, FCC, RoHS, and ABS maritime standards.
Q10: What is the typical system mass of the sensor?
A10: Approximately 255 grams for the Proximitor Sensor alone.
Related Models from the Same Series
| Model Number | Description | System Length | Weight |
|---|---|---|---|
| 330850-90-CN | 3300 XL 25 mm Proximitor Sensor | 9.0 meters | 0.255 kg |
| 330851-01-000-020-10-00-05 | Threaded probe, 25 mm | 5.0 meters | 0.410 kg |
| 330851-02-000-040-10-00-05 | Metric thread probe, 25 mm | 5.0 meters | 0.410 kg |
| 330851-04-000-015-10-00-05 | Rear-exit smooth probe | 5.0 meters | 0.390 kg |
| 330854-040-24-00 | Extension Cable, 4.0 meters | — | 0.18 kg |
| 330853-01-01 | Short Sliding Bracket with Adapter | — | 0.580 kg |
Popular Bently Nevada Models
| Model Number | Description | Application | Weight |
|---|---|---|---|
| 330104-00-05-10-02 | 8 mm Proximity Probe | General vibration monitoring | 0.130 kg |
| 330130-045-00-00 | Extension Cable, 5 m | Signal transmission | 0.225 kg |
| 330180-91-CN | 3300 XL Proximitor Sensor (Standard) | Shaft vibration/position monitoring | 0.255 kg |
| 3500/42M | Proximitor Seismic Monitor Module | Machinery health monitoring | 0.850 kg |
| 3500/22M | Transient Data Interface Module | System interface | 1.10 kg |
| 3500/15 | Power Supply Module | 3500 Series system power | 1.25 kg |
