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GroPoint - GP-DL4

Fonctionne avec des batteries domestiques standard.
Se connectent aux connecteurs environnementaux GroPoint EN3.
Boîtier résistant à l'eau.

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Description
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Simple, effective and reliable automatic recording of sensor data.

GroPoint™ dataloggers provide an inexpensive and simple-to-use method of automatically recording and storing measurements from GroPoint soil sensors. The analog version connects up to 4 sensors simultaneously, and the SDI-12 version can connect up to 10 sensors (using the 4-port SDI-12 Expansion Bar connected to 2 of the ports).

Measurements are recorded at a time interval selected by the user, from once per minute to every twelve hours. Data is stored in non-volatile Flash memory and is retained even if the battery fails. The memory can hold up to 32,520 measurements.

Configuring the data logger is done via the included Logger Config (SDI-12 version) or GroGraph (analog version) Windows software. Plug the included USB cable into the USB port on the data logger and a USB port on your computer, then run the software to set up the logging interval, SDI-12 sensor address, etc.

The water resistant enclosure and rugged IP66/IP68 environmental connectors permit outdoor placement of this data logger. The enclosure can be easily opened using a standard Philips size 0 screwdriver to replace the batteries (a 3.0V lithium CR2032 coin cell powers the logger, while a 9V alkaline powers the sensors). Both batteries are included and pre-installed upon delivery. Batteries will generally last about a year under normal operation.

Recorded SDI-12 sensor data can be downloaded to your computer as standard CSV files, or displayed directly at the logger with the GP-DU Handheld SDI-12 Sensor Reader.

Operates with standard household batteries (CR2032 for logger, and 9V to power the sensors).
Sensors connect with GroPoint EN3 harsh environmental connectors.
Water-resistant enclosure.
Battery life of up to a year is typical.
Data is retained even with no battery.
Logger data is downloaded in universal CSV format, allowing you to archive and graph data in your favourite software, like Microsoft Excel.

Output	CSV text file via USB cable (included)
Sensor interface	SDI-12 / RS-485 (SDI-12 version) or 0-5mA / 4-20 mA (analog version)
Sensor port connector	4-pin (SDI-12 version) or 3-pin (analog version) female EN3 connector
Maximum number of sensors	SDI-12 version: 10 (via multiple 4-Port SDI-12 Expansion Bars)
Maximum number of sensors	Analog version: 4
Computer port connector	USB mini-B
Storage	1 MB
	This is the equivalent of:

	> 50K GroPoint Lite measurements
	> 20K moisture and temperature measurements from a GroPoint Profile 4-segment sensor

Measurement interval	Configurable by user
Measurement interval	Range: 1 minute to 12 hours
Operating temperature range	-20°C to 65°C (-4°F to 150°F)
Storage temperature range	-20°C to 70°C (-4°F to 160°F)
Power	3.0V lithium coin cell powers the memory (included)
Power	9V industrial alkaline battery powers the sensors (included)
Battery life	Up to one year, depending on measurement interval
Dimensions	14.6cm x 8.9cm x 5.1cm (5.75” x 3.5” x 2”)
Weight	272 grams (0.6lbs)
Warranty	1-year limited parts and labour