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Help CenterAerospace Components Thermo Vacuum Chamber MIL-STD-1540E
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Control Principle
The pressure transmitter detects the pressure within the working chamber and converts the detected pressure signal into an amplified, digitized form. It then performs non-linear compensation and compares the resulting signal with the set value of the control instrument. The resulting deviation signal controls the opening and closing of the solenoid valve, thereby maintaining the pressure within the working chamber within a certain range. Vacuum pump and the process of evacuating air
Usually, one set of vacuum pump is equipped. When the pressure drops from normal pressure to 10 Pa, the mechanical pump starts to rapidly reduce the pressure, which takes approximately 1 hour. When the pressure drops from 10 Pa to 10^-5 Pa, the molecular pump begins to reduce the pressure, which takes about 3 hours. The vacuum unit can be connected to three experimental chambers simultaneously for vacuuming. If you want to vacuum each chamber separately, just open the valves. Control method
By adopting the dynamic pressure balance method, the control of dynamic balance can be achieved during the continuous operation of the vacuum system. The control system automatically controls the operation of the vacuum solenoid valve and the vacuum pump (including the frequency converter) based on the pressure set value, adjusting the amount of exhaust/inlet air to meet the requirements of dynamic pressure balance.If you need more models about our test equipment, please reference our ：chamber-testing（point）com
Functional indicators: Limit pressure:
Technical Specifications Capacity：0.5 m³ to 2.65 m³(Customizable)
High Vacuum Level (mbar)：5.0×10−7
No-load Vacuum Level (mbar)：5.0×10−7(Room temperature)
Vacuum Cube Leak Rate：1×10−9std/cc/sec
Pressure Regulation in Multiple Ranges (mbar/Torr)：Adjustable
Temperature Range： -190°C(LN2 cooling) to 150°C
Temperature Uniformity：±2℃
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