50101 : 온도발생장치(Temperature generators)

50102 : 온도지시/기록/제어장치(Temperature indicators/ recorders/ controllers)

50103 : 유리제온도계; 벡크만온도계등(Thermometers, liquid in glass)

50104 : 저항식온도계(Thermometers, resistance)

50105 : 열팽창식온도계; 바이메탈온도계, 기체또는액체충만식온도계등

(Thermometers, thermal expansion)

50106 : 열전식온도계; 귀금속, 비금속, 특수등(Thermometers, thermocouple)

50107 : 온도변환기(Transducers, temperature)