XMTC User’s Manual 5
Chapter 1. Features and Capabilities
1.4.3 4-Port (Flowing Reference Gas) Version
This optional configuration shown in Figure 3 below is used for zero-suppressed ranges and some other special
applications. Typically, a flowing reference gas of 100% H
2
or CO
2
is used. The following standard ranges and gases
are available:
Note: For factory calibration pricing on the standard ranges and gases, or for pricing on other zero-suppressed
ranges and gases, please consult the factory.
Figure 3: 4-Port (Flowing Reference Gas) XMTC
Ranges: 90 to 100% Gases: H
2
in N
2
80 to 100% CO
2
in N
2
or air
He in N
2
or air