亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Mobile Phone to track supply chain temperature
date:May 10, 2012
ities, such as produce and dairy products but other models can be made available.


For 32F/0C label, the first change occurs when the product has been subjected to two hours above 32 F/0C, the second at four hours and the final change at six hours. For the 41F/5C label the barcode changes first at one hour, then subsequently at three hours and finally at five hours above threshold.


Once activated, when any product is exposed to temperatures above the threshold temperature, a black proprietary

12/18 16:09