GP1 General Purpose Data Logger,GP1 General Purpose Data Logger_specification/price/image

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The GP1 Data Logger is a complete logging solution housed in a waterproof IP67 enclosure with battery power. The internal memory can hold >600,000 readings – more than enough for one year’s operation (typical).

ut connections	2 voltage channels
	2 temperatures or 2 additional SM150T Sensors [3]
	2 counters (33 kHz & 50 Hz)
	1 WET Sensor
Control outputs	1 relay (1 A)
Readings stored	600,000
Recording rate	1 second to 24 hours
Configuration	DeltaLINK
Communication options	RS232 USB [1] or modem
Sensor excitation	1 switched logger power 15 V precision reference
Power	9 V 6LR61 (PP3) alkaline or external power 11-24 V
Battery life (dependent on usage)	>76k readings lasting >130 days
Enclosure rating	IP67
Temperature range	-20 to +60°C
Display	–
Size	140 x 105 x 45 mm
Typical applications	Monitoring soil moisture
	General data logging
	Controlling irrigation

Sensor compatibility (maximum number of sensors that could be connected [2]
ML3	✓ (2) with temp ✓ (4) excl. temp [3]
SM150T	✓ (2) with temp ✓ (4) excl. temp [3]
PR2	–
PR2 SDI-12	–
WET Sensor	✓(1)
EQ3	✓(2 as mV only)
Temperature	✓(2)
Tensiometers (bridge sensors)	✓(2) each requires GP-PBA-X50
Counters or Events	✓(2) 1 fast 1 slow
Relay Output	✓(1)

[1] With USB to RS232 Adapter Cable type USB-RS232

[2] With appropriate expansion cards and power supply arrangements

[3] Temperature channels provide only single-ended inputs so should not be used with long cables or in noisy environments when used with soil moisture sensors. The accuracy ﬁgures quoted for GP1 soil moisture readings do not apply to these resistance channels when conﬁgured as soil moisture inputs.

For full GP1 specification please see the GP1 data sheet or Quick Start Guide