The new Vaisala HMD60 and Vaisala TMD60 are broadening the HMD60 Series product portfolio. The HMD60 measures humidity and temperature and the TMD60 is dedicated to temperature measurements only. Both models come with two optional probe lengths: a long or a short probe, which is optimized specifically for small ducts. The transmitters are fully configurable and scalable, which enables users to get precisely the needed parameter and scale without having to know the exact application requirements when placing the order.