A/100-LTS-30' - The A/100-LT A/1K-LT A/TT100-LT and A/TT1K-LTS Series sensors and temperature transmitters incorporate a Class wire wound platinum RTD sensor which conforms to DIN-IEC-751 and DIN 43760 platinum RTD standards.  They are designed to withstand the extreme temperature fluctuations that cause issues with standard temperature sensors in your typical freezer application.  ACI freezer temperature sensors are designed for refrigerator cryogeni meat packing plant and scientific laboratories applications.