Anergy instruments manufactures economical temperature acr smart button datalogger which is a cost-effective solution for temperature monitoring and recording. These temperature dataloggers are ideal in applications where size and cost-effectiveness are key. The acr smart button comes housed in stainless steel case and is water resistant making it durable in hostile environments where excess moisture is present. These acr smart button dataloggers find their applications in hvac system testing and balancing, transportation of temperature sensitive goods, pharmaceutical storage, laboratories, foods processing verification, etc. The internal temperature sensor of acr smart button data logger operates in 20 to 85 °c [-4 to 185°f] range and weighs only 4 gm [17 mm diameter x 6 mm height]. These acr smart button dataloggers capable of storing 2048 readings viewed or printed by attaching to a pc.