5.3 Send Identification Command: aI!

This command is used to query WLTS for their SDI-12 compatibility level, model number, sensor type, firmware version, and serial number. A typical command/reply would be 0I!/013SOLINST M20V V1 1.000 1234567<CR><LF> where the first "0" is the WLTS address, "13" represents SDI-12 V1.3 protocol support, "SOLINST " (8 characters) identifies the WLTS manufacturer, "M20V " (6 characters) defines the WLTS sensor model number (Mxxx) and vent type(V or A), "V1 " (3 characters) is the hardware identifier, "1.000" specifies the current firmware version, and "1234567" represents the WLTS serial number.