8.7 Trace Level Instrument (PN: E020127)
The trace option enables the instrument to detect levels carbon monoxide (CO) from 0 - 20,000 ppb
with a lower detectable limit of 20 ppb. This allows the Serinus 30 Trace to sample in the most useful
range for CO background measurement (25 - 500 ppb CO in air, levels that represent the range of global
CO mixing ratios in the unpolluted atmosphere).
The Serinus 30 Trace has a number of extra passes in the measurement cell to increase the resolution,
along with a thermally stabilised detector housing with a more sensitive IR detector operating at a
lower temperature (-50 °C) to reduce thermal noise.
This option is also available without a dryer (PN: E020120).
8.7.1 Trace Specifications
The following tables list the changes to a standard instrument with the trace option installed.
Table 13 – Trace Parts Removed
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