Velleman DVM171THD Manual Del Usuario página 5

• Place the device in a location where recording of ambient temperature and/or relative
humidity is required. Refer to the technical specifications for allowed operating
temperature range.
• When the datalogger is set up to start manually (delayed start), the green LED (6) will
flash two times every 10 seconds. Press the Start button (3) until the green (6) and
yellow LED (5) flash once (together). The datalogger starts logging and the green LED
(6) will flash every 10 seconds (increase this value through the setup procedure to
increase battery life).
• To download the data into the personal computer, start the datalogger software,
remove the protective cover (1) and plug the datalogger into a free USB-slot.
• Refer to the help-function of the datalogger software ('Help'
more information on downloading and handling the data from the datalogger.
1.6. Troubleshooting
Both LEDs are off
Logging is not active or battery is low. Start logging or replace
battery
Green REC LED (6), flashes 1x every 10 seconds
Logging, no alarm condition.
1x
Green REC LED (6), flashes 2x every 10 seconds
Delayed start mode,
2x
Red ALM LED (5), flashes 1x every 10 seconds
Logging, humidity lower limit exceeded.
1x
Red ALM LED (5), flashes 2x every 10 seconds
Logging, humidity upper limit exceeded.
2x
Red ALM LED (5), flashes 1x every 60 seconds
Low battery. Logging will stop, replace battery and download data.
1x
Yellow ALM LED (5), flashes 1x every 10 seconds
Logging, temperature lower limit exceeded.
1x
Yellow ALM LED (5), flashes 2x every 10 seconds
Logging, temperature higher limit exceeded.
2x
Yellow ALM LED (5), flashes 1x every 60 seconds
Logger memory full. Logging will stop, download data.
1x
00 (30/06/2008)
DVM171THD
5
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