Metrohm 940 Professional IC Vario ONE/SeS/PP/HPG - Manual (Page 36)

3.8 Connecting the eluent degasser
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940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
3.8 Connecting the eluent degasser
The high-pressure pump cannot generate uniform flow if the eluent con-
tains small gas bubbles or dissolved gas. As a result, the baseline cannot
be stabilized correctly. In order to achieve good measurement results, the
eluent has to be degassed before it goes into the high-pressure pump.
The eluent degasser is completely connected. No installation work is
required.
3.9 Installing the high-pressure pump
The intelligent and low-pulsation high-pressure pump pumps the eluent
through the system. It is equipped with a chip where its technical specifi-
cations and "life history" (operating hours, service data, etc.) are saved.
The high-pressure pump consists of:
￭ The pump head, which pumps the eluent through the system.
￭ The purge valve used for bleeding the pump head.