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Bently Nevada 330980-70-00 3300 XL NSv Proximitor Sensor
Bently Nevada 330980-70-00 Proximitor Sensor. Brand New. Original Stock. Global Shipping.
Description
The Bently Nevada 330980-70-00, also cataloged as the 330980 Proximitor Sensor, operates as a dedicated hardware component for non-contacting displacement and vibration measurements within Bently Nevada 3300 XL NSv Proximity Transducer systems.
Suffix Breakdown & Model Matrix
| Option | Selection | Description |
|---|---|---|
| A: Total Length and Mounting Option | 50 | 5.0 meters (16.4 feet) system length, panel mount |
| 51 | 5.0 meters (16.4 feet) system length, DIN mount | |
| 52 | 5.0 meters (16.4 feet) system length, no mounting hardware | |
| 70 | 7.0 meters (23.0 feet) system length, panel mount | |
| 71 | 7.0 meters (23.0 feet) system length, DIN mount | |
| 72 | 7.0 meters (23.0 feet) system length, no mounting hardware | |
| B: Agency Approval Option | 00 | Not required |
| 05 | Multiple approvals |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330980-70-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.25 kg |
| Dimensions | 81.3 mm x 61.2 mm x 63.5 mm |
| Operating Temp | -35 to +85 deg C |
| Power Consumption | 0.91 W |
| System Length | 7.0 meters (23.0 feet) |
| Mounting Type | Panel mount |
| Input Voltage Range | -17.5 VDC to -26 VDC |
| Linear Range | 1.5 mm (60 mils) nominal |
Gap Voltage Validation and Rotor Dynamics
The unit processes the high-frequency RF signal generated by the probe tip to determine physical displacement. Calibrated field verification relies on correct gap voltage validation, where a target of -10 VDC marks the center of the linear calibration envelope. In high-speed turbomachinery applications, monitoring this baseline is critical for analyzing rotor dynamics, as off-center alignment limits the dynamic measurement window. The internal signal-conditioning hardware manages the physical scaling parameters to translate distance variations into a proportional analog voltage without introducing phase distortion.
Frequently Asked Questions
Q: How must the coaxial cable shield be treated during installation of the 330980-70-00?
A: The outer shield of the coaxial cable must be electrically isolated from the outer machine case and terminated only at the designated Proximitor ground terminal to prevent ground loop currents from corrupting the measurement.
Q: Can the 330980-70-00 operate with an unmatched system length?
A: No. The internal tuning of the Proximitor requires a total physical match. Because the unit is coded as a 7.0 meters system, the combined length of the extension cable and integral probe cable must equal exactly 7.0 meters.
Field Installation Guidelines
- Ensure the panel surface is clean and free of paint to guarantee direct electrical contact of the aluminum housing to the panel ground plate.
- Use a coaxial connector protector sleeve at all connection junctions to isolate the connections and prevent short circuits to the local conduit or machine structure.
- Adhere strictly to a minimum physical cable bend radius of 25.4 mm (1.0 inch) during routing to prevent core damage or signal attenuation.
Additional information
| Weight | 0.25 kg |
|---|---|
| Dimensions | 81 × 61 × 63 mm |
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