Watlow ARJEF0F180UJ000 Mineral Insulated Thermocouple

The Watlow ARJEF0F180UJ000 mineral insulated Type J thermocouple delivers precise iron-constantan temperature sensing in harsh industrial environments, making it well-suited for heat-treat furnaces, industrial ovens, plastic injection molding machines, packaging equipment, and general process heating applications. It features an 18 in 316 stainless steel sheath with a 0.250 in diameter, an aluminum connection head, and a single ungrounded junction as part of Watlow’s AR style thermocouples with connection heads. Designed for sensor replacement, equipment repairs, control system retrofits, and preventive maintenance, it is commonly used by maintenance teams, OEMs, and system integrators. Common replacements include Watlow ARJEF0F120UJ000, ARJEF0F240UJ000, and ARJEF0F360UJ000.