Section 1. General description
What's what
The LI-830 and LI-850 include a core set of components and each may include
optional components. These are described below.
Gas analyzer
This is the gas analyzer in an enclosure. It may include an optional built-in pump
and display.
l Power indicator: Illuminates when the instrument is powered on.
l Low Battery indicator: Illuminates if the power supply voltage drops below 10.5
volts. The instrument will continue to operate with a low battery, but expect a
corresponding decline in performance.
l Alarm indicators illuminate if an alarm threshold has been crossed. See Using
alarms on page2-8.
l RS-232 Serial and USB connectors to connect with a computer or serial device.
l Air Inlet and Air Outlets are shipped with covers in place. Keep the covers so you
can put them back over the ports when the analyzer is not in use.
l Power In: Compatible with 12 to 30 VDC power supplies.
l The Terminal Strip has another power connector and outputs for alarms and
digital-to-analog converters (DAC).
1-2 Using the LI-830 and LI-850 Gas Analyzers
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