The NetTemp16 system has two channels and each one can connect at most 8 pieces of Tx sensors, and the length of the cable can most extend to 300 meter. The maximum length depends on the disturber of the environment. This system can be used to measure multi-point temperature in storage, cold storage, factory, office and so on. It is controlled by a computer to count and manage the data. The software can auto accomplish counting the data and create the curve , save the data to files, analyze the mix, min and the average of the records and so on.