Product Overview

The Bently Nevada 330780-90-CN is an 11 mm Proximitor Sensor. It belongs to the trusted 3300 XL series from Bently Nevada. This sensor shares advanced features with the 3300 XL 8 mm model. The Bently Nevada 330780-90-CN has a thin design for flexible mounting. It fits in high-density DIN-rail or traditional panel configurations. Users rely on this sensor for precise proximity measurement applications.

Technical Specifications

The 330780-90-CN delivers reliable proximity sensing with advanced immunity. Below are the complete technical details.

General Specifications

• Manufacturer: Bently Nevada for industrial measurement reliability.

• Product Type: 3300 XL 11 mm Proximitor Sensor.

• Product Number: 330780-90-CN for precise identification.

• Total Length and Mounting Option: 90 = 9.0 meters (29.5 feet) system length.

• Mounting Configuration: Panel mount installation.

• Agency Approval Option: CN = Country Specific approvals.

Physical Dimensions

• Height (H): Approximately 6.35 cm for compact design.

• Width (W): Approximately 6.12 cm for narrow footprint.

• Depth (D): Approximately 8.13 cm for shallow mounting.

• Material: A380 aluminum for durability and heat dissipation.

Input and Probe Compatibility

• Input Type: Accepts one non-contacting 3300 XL 11 mm Proximity Probe.

• Extension Cable: Compatible with standard extension cables.

• System Length Configuration: 5 or 9 meters including extension cable.

• Probe Connection: Designed specifically for 11 mm probe systems.

Power Requirements

• Supply Voltage (No Barriers): Requires -17.5 Vdc to -26 Vdc.

• Supply Voltage (With Barriers): Requires -23 Vdc to -26 Vdc.

• Maximum Current Consumption: 12 mA maximum draw.

• Linear Range Warning: Operation above -23.5 Vdc reduces linear range.

• Supply Sensitivity: Less than 2 mV change per volt change in input voltage.

Output Specifications

• Output Resistance: 50 Ω for stable signal transmission.

• Output Type: Standard proximity sensor output.

• Signal Integrity: Maintains accuracy under varying supply conditions.

Environmental Specifications

• Operating Temperature: -52°C to +100°C (-62°F to +212°F).

• Storage Temperature: -52°C to +105°C (-62°F to +221°F).

• Relative Humidity: 100% condensing with protected connectors.

• Submersion Restriction: Non-submersible even with protection.

• Humidity Testing: Tested to IEC 68-2-3 damp heat standard.

Advanced Features

• RFI/EMI Immunity: Improved immunity for reliable operation.

• CE Mark Approval: Achieves European CE mark without special mounting.

• RFI Protection: Prevents adverse effects from high frequency radio signals.

• Thin Design: Allows high-density DIN-rail installations.

• Panel Mount Option: Supports traditional panel configurations.

Terminal and Wiring Features

• Terminal Type: SpringLoc terminal strips for secure connections.

• Installation Tools: No special tools required for wiring.

• Connection Quality: Facilitates faster and highly robust field wiring.

• Wire Retention: Spring mechanism holds wires firmly in place.

Calibration Information

• Default Calibration: Factory calibrated to AISI 4140 steel.

• Alternative Calibration: Available for other target materials upon request.

• Custom Order: Contact Bently Nevada for non-standard target materials.

Installation Guide

Follow these steps to install the Bently Nevada 330780-90-CN correctly.

1. Choose Mounting Location: Select a panel mounting surface.

2. Mark 4-Hole Footprint: Use the standard mounting hole pattern.

3. Drill Mounting Holes: Prepare holes for secure panel attachment.

4. Mount the Sensor: Screw the unit onto the panel surface.

5. Connect the Probe: Attach the 3300 XL 11 mm proximity probe to the input.

6. Add Extension Cable: Connect the extension cable for 9.0 meter system length.

7. Apply Power: Supply -17.5 Vdc to -26 Vdc to the power terminals.

8. Verify Voltage: Ensure voltage stays below -23.5 Vdc for full linear range.

9. Wire the Output: Connect the 50 Ω output to your monitoring system.

10. Use SpringLoc Terminals: Insert wires into SpringLoc strips without special tools.

11. Check Calibration: Confirm target material matches AISI 4140 steel calibration.

12. Test Operation: Verify sensor response across the temperature range.

Installation Notes

• Do not submerge the sensor even with protected connectors.

• Keep the sensor away from high frequency radio transmitters.

• Use proper grounding for optimal RFI immunity.

• The panel mount option uses traditional 4-hole footprint.

• System length of 9.0 meters includes probe and extension cable.

Packaging List

This unit ships as a new and original product.

• Bently Nevada 330780-90-CN 3300 XL 11 mm Proximitor Sensor

• SpringLoc terminal strips (pre-installed)

• Panel mount hardware kit

• Product calibration certificate

• Anti-static factory packaging box

Frequently Asked Questions (FAQ)

1. What is the total system length of the 330780-90-CN?
The Bently Nevada 330780-90-CN has a total system length of 9.0 meters (29.5 feet). This length includes the probe and extension cable combined.

2. Can I use this sensor with target materials other than AISI 4140 steel?
The 330780-90-CN comes factory calibrated to AISI 4140 steel. Bently Nevada offers calibration to other target materials upon request for custom orders.

3. What mounting options are available for this Proximitor Sensor?
The Bently Nevada 330780-90-CN uses panel mount configuration. The thin design also allows high-density DIN-rail installation if preferred.

4. Does this sensor require special tools for wiring connections?
No, the 330780-90-CN uses SpringLoc terminal strips. These strips require no special installation tools for fast and robust field wiring.

5. What is the maximum humidity rating for this Proximitor Sensor?
The Bently Nevada 330780-90-CN handles 100% condensing humidity with protected connectors. However, the unit is not rated for submersion in liquids.