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The Bently Nevada 3300/48 Case Expansion Monitor is a rack-mounted module designed to measure the thermal expansion of turbine casings relative to their foundation. This measurement is critical for steam...
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The Bently Nevada 3300/48 Case Expansion Monitor is a rack-mounted module designed to measure the thermal expansion of turbine casings relative to their foundation. This measurement is critical for steam turbines and other large rotating machinery where casing growth can lead to mechanical interference. The monitor continuously compares expansion values against configured alarm setpoints, providing early warning of abnormal conditions to facilitate predictive maintenance.
This module is primarily utilized in power generation and industrial facilities for monitoring steam turbine thermal growth, ensuring mechanical alignment and preventing casing damage during thermal cycling.
| Model | 3300/48-03-02-02-00 |
| Brand | Bently Nevada |
| Series | 3300 |
| Operating Temperature | 0 to 60 degC |
| Power Consumption | ~1.5 W |
| Sensitivity | 200 mV/mil or 100 mV/mil |
| Signal Accuracy | +/- 0.33% typical |
| Outputs | 4-20 mA, 1-5 VDC, 0 to -10 VDC |
The module monitors the thermal expansion of turbine casings relative to the foundation, which is essential for preventing mechanical interference in large rotating machinery.
Yes, the 3300/48-03-02-02-00 is configured to accept inputs from proximity probes or LVDTs, depending on the specific application requirements.
The module provides relay outputs for Alert and Danger conditions, which can be integrated into the plant's safety or control systems to trigger alarms or automated shutdowns.
