This waterproof to IP67, stainless steel penetration probe is versatile, strong and incorporates a heavy duty ribbed, polypropylene handle with a white end cap. The waterproof NTC thermistor probe is suitable for many temperature measurement applications including liquids, semi-solids and granular materials . Response time less than five seconds and it has a temperature range -40 to 150°C. The probe dimensions are Ø3.3 x 130mm and it is suitable for use with the Therma 20, 22, Therma 20 Plus, 22 Plus & 8100 Plus. This probe is waterproof to IP67 when connected to an instrument.