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- Bently Nevada
- 330850-90-05
- Proximitor Sensor
- USA
- 78 mm × 60 mm × 65 mm
- 0.22kg
- Xiamen, China
- New & In Stock
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📦 Product Overview – Bently Nevada 330850-90-05
📘 Description
The Bently Nevada 330850-90-05 is a Proximitor Sensor designed for use in the 3300 XL 25 mm proximity transducer system. This system is widely deployed in industrial rotating machinery monitoring, such as turbines, compressors, pumps, and motors. Its primary function is to convert signals from a proximity probe into a voltage output proportional to the distance between the probe tip and the observed target.
This model has a system length of 9.0 meters, allowing it to connect with a 25 mm proximity probe and extension cable, giving engineers flexibility when routing cabling in large-scale machinery environments. The suffix “-05” designates that the sensor is certified for use in environments requiring compliance with international safety or electrical standards.
📐 Technical Specifications
| Parameter | Value |
|---|---|
| Model | 330850-90-05 |
| Series | 3300 XL 25 mm Proximitor System |
| Application Type | Non-contact displacement and vibration measurement |
| System Length | 9.0 meters (Probe + Extension Cable + Sensor) |
| Sensitivity | 0.787 V/mm (±0.020 V/mm) |
| Linear Range | 0.25 mm to 25.4 mm (10 to 1000 mils) |
| Output Voltage Range | -2 V to -18 V |
| Power Supply Range | -17.5 VDC to -26 VDC |
| Power Consumption | < 3.5 mA typical |
| Mounting Style | Panel Mount |
| EMI / RFI Resistance | Industrial grade, CE compliant |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -50°C to +100°C |
| Humidity Range | 0–95% RH non-condensing |
| Dimensions (L × W × H) | 78 mm × 60 mm × 65 mm |
| Weight (kg) | 0.22 kg |
| Output Connector Type | Screw terminals (SpringLoc or equivalent) |
| Approval Suffix (“-05”) | Indicates certified version (CE, ATEX, etc.) |
| Target Material Compatibility | Standard for ferrous metal surfaces |
🏭 Product Applications
The 330850-90-05 is designed for use in a wide range of industrial machinery applications where accurate and continuous proximity monitoring is essential:
-
Gas and steam turbines
-
Compressors (centrifugal, reciprocating)
-
Large industrial motors and generators
-
High-speed fans and blowers
-
Refinery pumps and rotating machinery
-
Condition monitoring systems
-
Predictive maintenance systems
-
Shutdown protection systems
✅ Product Advantages
-
Extended System Length (9.0m)
Ideal for installations where instrumentation must be mounted at a distance from the probe, reducing EMI noise pickup and simplifying layouts. -
High Measurement Accuracy
Offers consistent sensitivity of 0.787 V/mm, ensuring reliable displacement and vibration data. -
Multiple Approvals (Suffix -05)
Certified for use in regulated industrial environments, including explosive atmospheres and high-voltage zones. -
Robust Design for Harsh Conditions
Operates reliably across a wide temperature and humidity range. -
Non-Contact Measurement
No mechanical wear, enabling long operational life without calibration drift. -
Compact Size
Easier installation in confined panels or control cabinets. -
Tool-Free Wiring Terminals
Fast installation and maintenance using SpringLoc terminals. -
Interchangeable with Other 3300 XL Components
Enhances upgradeability and lowers total cost of ownership.
🧩 Related Models in the Same Series
| Model | System Length | Mounting Style | Certification | Key Note |
|---|---|---|---|---|
| 330850-50-05 | 5.0 m | Panel Mount | Yes | Shorter length version with certification |
| 330850-50-00 | 5.0 m | Panel Mount | No | Basic version without approvals |
| 330850-90-00 | 9.0 m | Panel Mount | No | Same length but uncertified |
| 330850-51-05 | 5.0 m | DIN Rail Mount | Yes | For DIN-rail cabinet installations |
| 330850-91-05 | 9.0 m | DIN Rail Mount | Yes | DIN version of the 90-05 model |
🌟 Other Popular Models from the Same Brand
| Model | Product Type | System Length / Feature | Application Area |
|---|---|---|---|
| 330100-50-00 | Proximity Probe | 5.0 m | Shaft displacement monitoring |
| 330930-040-01-00 | Extension Cable | 4.0 m | Complements 3300 XL sensor systems |
| 3500/42M | Vibration Monitor Module | Dual-channel, buffered | Rack-based system, critical machinery |
| 3500/22M | Transient Data Interface | Ethernet-enabled | Real-time data transmission |
| 330103-00-05-10-02-00 | Proximity Probe Kit | 25 mm tip, reverse mount | Harsh environments, turbine applications |
❓ Frequently Asked Questions (FAQ)
Q1: What is the maximum measurable displacement range of the 330850-90-05?
A1: It can measure displacement accurately from 0.25 mm to 25.4 mm, suitable for both shaft vibration and position measurements.
Q2: Why would I choose the 9.0 m system length over 5.0 m?
A2: For installations where the sensor needs to be placed far from the machine or probe, such as in control rooms or remote panels.
Q3: What is the meaning of the “-05” suffix in the part number?
A3: The “-05” suffix indicates that the product has passed multiple certifications for use in hazardous or regulated environments.
Q4: Is this model compatible with older Bently Nevada systems?
A4: Yes, it is backward compatible with many 3300 XL systems and can be integrated into existing setups with minimal adjustment.
Q5: How does this sensor withstand industrial EMI/RFI noise?
A5: It includes internal shielding and filtering to comply with industrial electromagnetic compatibility standards.
Q6: What is the typical lifespan of the 330850-90-05?
A6: When installed correctly, it can operate reliably for over 10 years with minimal maintenance.
Q7: Can I use this with non-ferrous targets?
A7: The sensor is optimized for ferrous materials; accuracy with non-ferrous targets is reduced and not recommended.
Q8: Does this model support field calibration?
A8: Factory calibration is recommended. Field calibration is possible with the correct instruments and procedures.
Q9: Is special software needed to use this sensor?
A9: No software is needed for basic operation. However, advanced systems may integrate it with monitoring platforms.
Q10: How is this model installed?
A10: It is panel-mounted and uses screw terminals for input/output connections. Installation is straightforward with standard tools.
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