HT2800T_en_c.doc Page 71 of 275
3.6 Accessories installation
3.6.1 External pressure regulator installation (only for Headspace and
SPME mode)
This optional accessory is used to regulate the pressure of the gas used for the syringe flushing
(e.g. Nitrogen). The pressure regulator output must be set at 1 bar maximum (15psi or 100kPa). The
external pressure regulator is shown in the figure below:
Figure 79: External pressure regulator
The pressure regulator must be inserted between the gas source and the gas inlet of the
autosampler in order to regulate the inlet pressure. In detail, the 1/8” tube coming out from the regulator
(number 1 in the following figure) must be connected to the gas inlet 1/8” located on the rear of the
autosampler (number 8 in Figure 29). The other end of the regulator (number 2 in the figure above) must
be connected to the gas source.
Warning
During Headspace and SPME operation the syringe is cleaned after each injection with inert,
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