Description of Industrial Thermocouple RTD PT100 Temperature Sensor with 1/4" Thread Product Name :Thermocouple Type :PT100 Temperature Range :0�°C-150�°C Probe Size : 0.5 x 10cm / 0.2" x 3.9" (D*L) Thread Diameter: 8mm/ 0.31" External Material Plastic, Metal, Rubber Total Length 1M / 39.4"(we can customize other length) Fork Terminal Spacing 0.5cm