LaMotte 2020wi Portable Turbidity Meters - Manual (Page 11)

COMPUTER CONNECTION
 PC LINK
The 2020we/wi may be interfaced with any Windows-based computer by
using the LaMotte SMARTLink 3 Program and USB Cable. The program
will store test information and results in a database. To transfer data from
the meter to a computer, plug the smaller end of the USB cable (USB
mini B connector) into the meter and the larger end of the USB cable
(USB Type A connector) into a USB port on a computer. The 2020we/
wi will send the following data: test name, wavelength, concentration,
transmittance, absorbance, sample, blank, time of test, and date of test.
 OUTPUT
USB
 COMPUTER CONNECTION
USB Type A, USB mini B, Order Cable Code 1720.
BATTERY/AC OPERATION
The 2020we/wi may be operated on battery power or using USB wall
adapter or USB computer connection. If using the meter as a bench top
unit, use the wall adapter if possible to extend the battery life. The meter
will remain on when the USB adapter is used.
To charge the battery with the wall adapter, plug the smaller end of the
USB cable (USB mini B connector) into the meter and the larger end of
the USB cable (USB Type A connector) into the wall adapter. Plug the
wall adapter into an AC outlet. Reinsert the USB port plug after charging.
To charge the battery from a computer, plug the smaller end of the USB
cable (USB mini B connector) into the meter and the larger end of the
USB cable (USB Type A connector) into a USB port on a computer.
Reinsert the USB port plug after charging.
The battery icon will show no bars and fl ash when the unit fi rst turns on.
Then the indicator will indicate the battery status by showing 0, 1, 2, 3 or
4 bars.
It will take 5 hours to fully charge a low battery. The battery icon will
fl ash when the battery is charging. The battery icon will show four bars
and stop fl ashing when it is fully charged. The charging circuit will
automatically switch to a fl oat charge when the battery is fully charged.
The charger may remain connected. Some computers will NOT supply
power to their USB ports during standby operation. The wall adapter will
charge the unit continuously.
The battery icon will show no bars and continuously fl ash if the battery
is getting low but the unit will still operate normally. A “Low Battery”
message on the status bar of the display will replace the time when the
battery voltage is too low for proper operation and accuracy may be
degraded. A “Shutdown Low Batt” message on the display will appear
for a few seconds before the power is switched off when the battery is
too low to operate the unit.
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