316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, No internal terminals
316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, 2 terminals (CH-73)
316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, 4 terminals (CH-74)
300毫米(12英寸)C型热电偶(钨-5%铼与钨-26%铼),线径0.250毫米(0.010英寸)