LI-COR LI-7820, Instruction Manual

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Section 2. Getting started
Pin Assignment Color Description
1 Power (+) n/a 24 VDC; 6 Amps from the LI-COR power adapter.
These pins, when paired to ground (2 and 6), will
power the device and charge the batteries. Not
powered through the auxiliary power cable (9968-
242).
5 Power (+) n/a
3 Power (+) Red 10.5 to 33 VDC; Up to 9 Amps. Draws up to 2.3
watts when powered off. These pins, when paired to
ground (2 and 6), will power the device but will not
charge the batteries. Not powered through the
universal power adapter (9968-232).
4 Power (+) Red
2 Power (-) Black Ground
6 Power (-) Black
Table 2-1 . Pin assignments for the connector and power cable.
Figure 2-2. Pins for the power cable (left) and instrument power connector (right).
Connecting with the instrument
Connect with the instrument using a web browser on a computer, tablet, or smart
phone that is on the same network as the instrument. Windows, macOS, Linux,
iOS, and Android OS are supported operating systems. Chrome, Firefox, and Safari
are supported browsers, but others may work as well.
2-4 LI-7820 N₂O/H₂O Gas Analyzer