The UMB range are compact intelligent weather sensors available in a range of configurations to match what you want to measure
They have an integrated, easy-to-mount design, including ventilated radiation shield.
Parameters that can be measured include:
A range of serial protocols are supported including UMB-ASCII, SDI-12 and Modbus
About the manufacturer
Lufft is a German company making high quality meteorological instruments since 1881.