NTC thermistors comes in the package of a Bulk. For convenience, it is included in the Probe package. The resistance tolerance for NTC thermistors is ±0.05°C to make it work. To ensure reliable performance, the temperature of NTC thermistors should be set to 0°C~50°C. The maximum operating temperature of 50°C allows for reliable operation of NTC thermistors. For reliability, NTC thermistors can operate at a minimum temperature of 0°C. For the NTC thermistors to work properly, 2 pins must be connected in order to make it work.