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05780A DCN6493 1
LEADS Addendum
INTRODUCTION
The LEADS version of Models T700 and 700E software includes support for Dasibi “Dot” serial
data commands, operational “Levels”, and for driving external devices via contact closure
control outputs. Further an optional bolt-on valve driver assembly allows the control of external
valves using these control outputs. Generally a LEADS equipped Model T700 or 700E will be
used in conjunction with a XENO data logger that collects and buffers data between the various
calibrators, analyzers and met gear at an air monitoring station and a remotely located central
data analysis facility.
LEADS is a data collection and analysis system for meteorological and environmental data. It
can be used to integrate data and control instrumentation from several different manufacturers.
However the first and most prevalent implementation of the LEADS system was done for
TNRCC using Dasibi 5008 calibrators. Due to the desire to be backwards compatible with
existing LEADS systems the “Dot” commands and “Levels” were added to the M700, M700E,
and T700. For more information on the LEADS system please go to http://www.meteostar.com/
.