dd20s

... and two high preprogrammed threshhold temperatures( -30 ~ +60) The DD20S is a smart digital temperature indicator.It can accurately monitor ... 40 days). For refrigerated applications,the DD20S is accurate within ±0.5.The DD20S is programmable,easy-to-use,and water ... minutes) ;Sampling Interval (1-199 minutes) Digital Temperature Indicator DD20S Food and Drug Storage and transport temperature recorder