Metrohm 850 Professional IC AnCat MCS User Manual Page 72

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2.21 Guard column
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850 Professional IC – AnCat – MCS
The mains cable is three-core and provided with a plug with grounding. If
another plug has to be mounted, the yellow/green conductor (IEC stand-
ard) must be connected to the protective ground (protection class I).
1
Connecting the mains cable
Plug the mains cable into the mains connection socket .
Connect the mains cable to the mains supply.
2
Switching the instrument on and off
Switch the instrument on and off with the mains switch .
After switching on, the LED on the front of the instrument flashes
while a system test is carried out and the connection to the software
is established. Once the system test is complete and the connection
to the software has been established, the LED lights up continuously.
2.21 Guard column
The use of guard columns serves for protecting the separation column and
increasing their service life considerably. The guard columns available from
Metrohm represent either actual guard columns or are so-called guard
column cartridges which are used together with a cartridge holder. The
installation of a guard column cartridge in the associated holder is descri-
bed in the information sheet of the guard columns.
Note
Information regarding which guard column is suitable for your separa-
tion column can be found in the Metrohm IC Column Program
(which is available from your Metrohm agent), the information sheet
provided along with your separation column, the product information
on the separation column at http://www.metrohm.com (product area
Ion Chromatography), or obtained directly from your agent.
Caution
New guard columns are filled with solution and are sealed on both
sides with stoppers or caps, respectively. Before using the guard col-
umn, you need to ensure that this solution is miscible with the eluents
used (observe manufacturer's data).
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