multi N/C 2100S Function and setup
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During autosampler operation the lock is actuated automatically. During manual
operation it is opened and closed by a toggle switch to the left of the locks.
Switch positions:
TC lock closed - switch forward
TC lock open - switch back
Fig. 4 Toggle switch for the manual operation of the septum-free TC lock
Sample supply in the multi N/C 2100S is directly by way of microliter syringes. The
injection volume ranges between 50 - 500 μl. Optimum measurement results are
reached when 50 to 100 % of the volume of the used microliter syringe is used. Various
syringes are available. The cannulas can be replaced.
For the analysis of particulate samples, the use of cannulas with a larger inside diameter
(particle cannula) is recommended.
Special microliter syringes (special geometry, with gas connector for analysis in NPOC
mode) are used for the autosampler. They are not graded and therefore not suitable for
analysis in manual operation.
3.1.2 Pneumatics/hose system
The connection between the individual components is made with labeled hoses. The
encircled numbers and letters in the hose diagram correspond to the labels on the hoses
in the analyzer.
Microliter syringes
Hose diagram
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