The sample inlet system - often reffered to as introduction module - is used to introduce the Liquid, Solid, Gas or LPG sample into the quartz combustion tube of an elemental combustion analyzer. There are two types of sample inlet systems:
1. direct injection system / Liquids Introduction Module2. boat inlet system / Boat Introduction Module
The applicable international standard prescribes which sample inlet system can be used to measure the samples correctly.
Sample Inlet System