Section 1. Introduction to the instruments
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.
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Power indicator: Illuminates when the instrument is powered on.
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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.
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Alarm indicators illuminate if an alarm threshold has been crossed. See Using
alarms on page3-9.
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RS-232 Serial and USB connectors to connect with a computer or serial device.
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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.
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Power In: Compatible with 12 to 30 VDC power supplies.
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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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