Perancangan dan Analisis Alat Uji Temperatur dalam Psychrometric Chamber untuk Pelabelan Energi AC Split Dengan Kapasitas Pendinginan Maksimum 27.000 BTU/h = Design and Analysis of Temperature Measurement Device in Psychrometric Chamber for Air Conditioner Split Type Testing Energy Labelling with Maximum Cooling Capacity 27000 Btu/h