The M12 series thermocouple sensors include a variety of metric and NPT mounting thread options as well as M12 connectors. The M12 connectors include thermocouple-compensated pins in Type J and Type K calibrations and the sensors are available with Type J, 316 stainless steel, or Type K, Inconel 600 sheaths, and ungrounded junctions. A variety of metric and imperial diameters and lengths are also on tap. The M12 connectors have a temperature range of -50°C to +90°C and are rated to IP67. Price starts at $30. OMEGA ENGINEERING INC., Stamford, CT. (800) 872-9436.