The SmartReader Plus5 Data Logger is ideal for those applications that require monitoring high temperatures or monitoring temperature over a wide range. The logger has one internal channel for measuring ambient temperature and two external channels for use with ACR thermocouple wire or any J, K, S, T or E type thermocouple wire. At 12-bit resolution, the SmartReader Plus5 offers greater accuracy and more precise measurment precise measurments than the SmartReader5.