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SPEAKER SWITCHING DEVICES

To switch the nozzle columns, conventional taps (reverse purge, 6-, 8- and 10-port) are used, which, however, are not suitable for switching capillary columns. An alternative way to switch capillary columns is to change the flows in the capillary columns, which is produced by the so-called "Dins switches" (PD).
TECHNICAL CHARACTERISTICS of PD
The switching time setting range is from 0.1 to 999 min.
Switching time is 0.1 s.
The dead volume of the crane is less than 1 µl.
The temperature of the tap is no more than 350 °C.
The pressure in the crane line is not more than 0.4 MPa.
Electric power supply — 5 V.
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