The Aijiren Series Thermostatted Micro Autosampler has a settable injection volume allowing for 0.01 to 8 µl with a small loop capillary and 0.01 to 40 µl with an extended loop capillary. There is a precision of < 0.5 % RSD from 5 to 40 µl, < 1 % RSD from 1 to 5 µl, and < 3 % RSD from 0.2 to 1 µl.