RioRand Portable Mini Temp Recorder 30°c ~ +60°c LCD Temperature Data logger Probe Data Loggers with USB Cable

Good tool to monitor and generate graphical reading of temperature. The sensor probe is metal and the temperature is different when compare with other small sensor (different of +- 10 to -12 degrees Celsius / test: metal probe read -12 --- plastic probe read -12). Starting at normal temperature of 24 C on both.