The Bently Nevada 330190-085-00-05, also cataloged as the 330190 Extension Cable, operates as a dedicated hardware component for signal transmission between proximity probes and Proximitor sensors within 3300 XL 8 mm Transducer System platforms. It maintains constant electrical capacitance and impedance across the sensor loop to convey high-frequency voltage shifts generated by eddy-current shaft displacement measurements.
| Option Code | Specification Parameter | Value / Description |
|---|---|---|
| 330190 | Base Model | 3300 XL Extension Cable |
| -085 | Cable Length Option | 8.5 metres (27.9 feet) |
| -00 | Armor and Cable Option | Standard cable, unarmored |
| -05 | Agency Approval Option | Multiple Approvals (CSA, ATEX, IECEx) |
| Parameter | Specification |
|---|---|
| Model | 330190-085-00-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.06 kg |
| Dimensions | 1.8 x 1.6 x 123 cm |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
| Power Consumption | Passive signal conductor |
| System Compatibility | 3300 XL 8 mm Proximity Transducer System |
| Cable Length | 8.5 metres (27.9 feet) |
| Armor Option | Standard cable, unarmored (Option 00) |
| Agency Approval | Multiple Approvals (Option 05) |
| Standard Compliance | API 670 |
The 330190-085-00-05 extension cable enforces strict electrical length matching required for correct eddy-current probe scaling across the transducer circuit. Precise signal transmission requires gap voltage validation (-10 VDC targets) at the Proximitor output during physical sensor alignment to guarantee linear response over target displacement limits. The coaxial shielding structure minimizes external electromagnetic interference, preventing signal degradation caused by rotor dynamics and cross-talk suppression failures along long cable runs in high-density monitoring installations.
Q: How does total cable length selection affect overall transducer system calibration?
A: 3300 XL Proximitor sensors are calibrated for specific total electrical system lengths (typically 5.0 metres or 9.0 metres). The 8.5 metre extension cable must be matched with a 0.5 metre proximity probe to achieve the required 9.0 metre total system length without requiring bench recalibration.
Q: What precautions should be taken regarding connector insulation in high-moisture environments?
A: Miniature coaxial connectors between the extension cable and proximity probe must be sealed using protective silicone boots or moisture-proof connector protectors to prevent ground loops and signal attenuation from fluid ingress.
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