Velleman DVM171THD Mode D'emploi page 4

4. Remove the data logger from the USB slot and place back the protective
cover [1].
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.
6. If the data logger 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 data logger starts
logging and the green LED [6] will flash every 10 seconds (increase this value
through the setup procedure to increase battery life).
7. To download the data into the personal computer, start the data logger
software, remove the protective cover [1] and plug the data logger into a free
USB slot.
Refer to the help function of the data logger software (Help > Help topics...) for
more information on downloading and handling the data from the data logger.
6. Troubleshooting
Both LEDs are off
Logging is not active or battery is low. Start logging or replace battery.
Green REC LED [6], flashes 1 x every 10 seconds
Logging, no alarm condition.
1x
Green REC LED [6], flashes 2 x every 10 seconds
Delayed start mode.
2x
Red ALM LED [5], flashes 1 x every 10 seconds
Logging, humidity lower limit exceeded.
1x
Red ALM LED [5], flashes 2 x every 10 seconds
Logging, humidity upper limit exceeded.
2x
Red ALM LED [5], flashes 1 x every 60 seconds
Low battery. Logging will stop, replace battery and download data.
1x
V. 05 – 19/09/2017
DVM171THD
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