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The 3300/48-01-01-01-00 is a high-precision thermal growth monitoring module designed to interface with 3300 XL NSv proximity transducers. Unlike standard LVDT-based expansion monitors, this module translates NSv sensor feedback into actionable data for machinery protection and supervisory control. It is ideal for turbine supervisory instrumentation (TSI) applications where space constraints or specialized sensor requirements exist.
By continuously tracking casing displacement relative to the foundation, the 3300/48-01-01-01-00 helps prevent mechanical misalignment, vibration, and structural stress in rotating machinery.
| Specification | Description |
|---|---|
| Model Series | 3300/48 |
| Full Part Number | 3300/48-01-01-01-00 |
| Measurement Technology | 3300 XL NSv Proximity Transducer Interface |
| Channel Configuration | Single-channel per module slot |
| Measurement Accuracy | ±50 µm (±0.002 in) |
| Signal Output | 4–20 mA DC proportional to expansion |
| Response Latency | < 50 ms |
| Supply Voltage | 24 VDC (via 3300 backplane) |
| Module Weight | 1.3 kg |
| Protection/Sealing | Ruggedized for high humidity (95% RH non-condensing) |
High-precision thermal monitoring of steam turbines and specialized rotating machinery
Integration with 3300 XL NSv sensors already used for vibration or thrust monitoring
Suitable for confined spaces where LVDTs are impractical
Supports turbine supervisory instrumentation (TSI) in power generation plants and industrial facilities
How does this NSv version differ from standard 3300/48?
Standard 3300/48 modules typically interface with LVDTs for long-stroke measurements.
The 3300/48-01-01-01-00 is tuned for short-range, high-precision NSv proximity sensors, ideal for confined installations.
What happens if the sensor signal is lost?
The module performs internal self-diagnostics.
Loss of signal or cable failure triggers the "OK" LED to extinguish, and the 4–20 mA output drops below 3.6 mA to alert the control system of a loop integrity issue.