ATC Semitec IP67 10K Precision NTC Thermistor Probe with Lead – ATC Semitec 103AT-11-50081, The ATC Semitec IP67 10K Precision NTC Thermistor Probe with Lead is a high precision thermal sensing device that features an extremely small B-value tolerance and resistance. When the device is used as a temperature gauge there is no requirement for adjustment between control circuit, ensuring good temperature precision. ATC Semitec 103AT-11-50081 IP67 10K NTC Thermistor Probe with 1500mm Lead