Table 1.

Sensors employed by traditional air conditioning system and achieved air conditioning temperature control.

Product	Sensor Type	Range	Accuracy
H-brand temperature control (USA)	IC sensor	5~30 °C	0.5 °C
NI-209 temperature control (Taiwan)	IC sensor	−40~50 °C	1 °C
S-brand temperature control (Japan)	1000 Ω Platinum	−20~70 °C	0.5 °C
S-brand temperature control (Germany)	IC sensor	0~50 °C	1 °C