QTI’s 6009 Series of ring lug NTC temperature sensors offers a cost-effective surface temperature sensing solution for a variety of HVACR, medical, water heating, and food service applications. This sensor series was designed for screw-in-place mounting in applications that require temperature protection. QTI can customize these sensors in a variety of ways. They are available in a variety of ring lug sizes and can be specified with or without insulated leads. Sensor resistance values and accuracy, as well as cable length and color are all able to be specified.