GivEnergy GEM120CT Programmable Modbus Energy Meter 1ph
To change it to an ID2 or ID3 meter, hold down the button on the front for a few seconds and wait for the screen to change. Then press the set button to chose the ID and then hold the button again to confirm. The ID1 meter measures the Grid import/export. The ID2 meter measure the PV Generation. The ID3 meter also measure PV Generation.