AT GP2 User Manual

AT GP2 is a research-grade data logger and controller capable of complex calculated measurements, advanced feedback control programs, and multiple flexible recording types. With 12 differential analog input channels, 4 event/digital counter channels, and a serial input for up to 62 SDI-12 sensors, the AT GP2 can monitor various environmental parameters and control devices based on programmed conditions. It features two output relays expandable to six with a relay expansion module, allowing control of experiments, irrigation zones, alarms, or sensor power.

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AT GP2 User Manual | Manualzz

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Frequently asked questions

The GP2 is powered by 6 AA batteries or an external power supply.

The GP2 supports a wide range of sensors, including Delta-T sensors, third-party SDI-12 sensors, and user-defined sensors.

The GP2 has 12 differential analogue input channels or 24 single-ended analogue channels.

The GP2 can hold about 2.5 million readings.

Programs for the GP2 can be created using the DeltaLINK 3 software.

Yes, threshold settings can be changed while logging using program settings.

The Relay Expansion Module adds 4 extra relays and power terminals to the GP2.

To reset the GP2, briefly press the Reset button. For a cold reset, hold the Reset button for more than 5 seconds.

The differential analogue channels accept signals nominally 0 to 2.5V, with a full signal range of -1.4 to +2.7V.

The PWR power terminals allow power to be switched to sensors.
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