Best ModbusRS485 I/O Module Suppliers - Bently Nevada 3300/45-03-02-00-00 Dual Differential Expansion Monitor – RuiMingSheng
Best ModbusRS485 I/O Module Suppliers - Bently Nevada 3300/45-03-02-00-00 Dual Differential Expansion Monitor – RuiMingSheng Detail:
Description
| Manufacture | Bently Nevada |
| Model | 3300/45 |
| Ordering information | 3300/45-03-02-00-00 |
| Catalog | 330 |
| Description | Bently Nevada 3300/45-03-02-00-00 Dual Differential Expansion Monitor |
| Origin | United States (US) |
| HS Code | 85389091 |
| Dimension | 16cm*16cm*12cm |
| Weight | 0.8kg |
Details
Description
Differential Expansion is the measurement of the axial position of the rotor with respect to the machine casing at some distance from the thrust bearing. Changes in axial position relative to the casing affect axial clearances and are usually the result of thermal expansion during startup and shutdown. The measurement is typically made with a proximity probe transducer mounted to the machine casing and observing an axial surface (e.g., collar) of the rotor. The measurement is usually incorporated as part of a Turbine Supervisory Instrumentation system. The 3300/45 Dual Differential Expansion Monitor provides two channels of continuous differential expansion monitoring. Both the magnitude and direction of differential expansion are monitored. Four alarm setpoints (two over and two under alarms) can be set for each channel. Channel B of the monitor can be turned OFF for machines requiring the measurement at only one location.
Ordering Information For spares, order the complete catalog number as described below. This includes a front panel assembly, monitor PWAs with sheet metal, and appropriate relay module. This unit is optioned, tested and ready to install in your system.
Spare relay modules can be ordered separately. Dual Differential Expansion Monitor 3300/45-AXX-BXX-CXX-DXX Option Descriptions
A: Full-scale Range Option 0 1 5 – 0 – 5 mm 0 2 0 – 10 mm 0 3 0.25 – 0 – 0.25 in 0 4 0 – 0.5 in 0 5 10 – 0 – 10 mm 0 6 0 – 20 mm 0 7 0.5 – 0 – 0.5 in 0 8 0 – 1.0 in
B: Transducer Input Option NOTE: the 25 mm and 35 mm transducers can not be used with the 05 through 08 Full-scale range options. 0 1 25 mm 0 2 35 mm 0 3 50 mm
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