Chapter 1. Features and Capabilities
4 XMTC User’s Manual
1.4.2 2-Port (Sealed Reference Gas) Version
This standard configuration (see Figure 2 below) is used for zero-based ranges with air or nitrogen at atmospheric
pressure as the balance or background gas. It utilizes air with desiccant in a factory sealed chamber as the reference gas.
The following standard ranges and gases are available:
Figure 2: 2-Port (Sealed Reference Gas) XMTC
Ranges: 0-2% Gases: H
2
in N
2
or air
0-5% CO
2
in N
2
or air (min. range 0-5% CO
2
)
0-10% SO
2
in air (min. range 0-2% SO
2
)
0-25% He in N
2
or air
0-50% Argon in N
2
or air
0-100%
50-100%
80-100%
90-100%
95-100%
98-100%