Calibratable outside temperature measuring transducers THERMASGARD® ATM 2 with eight switchable measuring ranges, internal or remote sensor, continuous output, with enclosure made of impact-resistant plastic and fitted with quick-locking screws, with / without optional display. It is used to detect outside temperatures, temperatures in wet rooms e.g. for installation on outside walls, in cold storage buildings and greenhouses, in the industrial sector and in agriculture. Installation in outdoor areas preferably at the north side of a building or in a protected place.