LI-820 download

The LI-820 CO2 Analyzer is a low maintenance, economical gas analyzer
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Alternative software

wePresent-820
wePresent-820
Free
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Control your wePresent 820 hardware with this simple program

ExChart
ExChart
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Software for RH520A: Humidity+Temperature Chart Recorder with Detachable Probe.

KomWin
KomWin
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KomWin controls the heating system of rooms under different conditions.

O2 and CO2 Dissociation Curves
O2 and CO2 Dissociation Curves
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This is a model for studying oxygen and carbon dioxide dissociation curves.

Plustek OptiCard 820
Plustek OptiCard 820
Free
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A high-speed mobile scanner that manages images and organizes business cards.