Ega Taqwali Berman, Ida Hamidah, Budi Mulyanti, Agus Setiawan
The purpose of this research is to develop a low-cost and portable air conditioning teaching and learning kits for vocational education. Unlike the existing commercial products that available in the market, this product is based on a low-cost concept using simple design, as well as affordable materials and components. This research is according to a product development process flow, followed by a technical analysis and testing, especially for targeted end users. The development if this product consists of the main components of a four inch diameter round air duct made of PVC, a blower, 5 temperature sensors, five humidity sensors, an air flow sensor, a refrigeration system, two electric heaters and an ultrasonic humidifier. In addition, this kit is relatively small with dimensions of 1500 x 600 x 700 mm and is easy to move and can be used in various places. Total analysis costs less than 3,000 USD, while commercially available offer prices are more than 5,000 USD. Thus the manufacture of this kit is suitable for developing countries with a lot of trial space and limited funding. The performance test results from this kit are also able to show psychometric processes that can be directly observed on the monitor display. Based on open-ended question, student indicated that this product facilitates their learning, improves understanding of the air conditioning process, and increases creativity in problem solving. In the future, this kit can be integrated with computer devices so that measurement data recording can be more accurate and automatically stored safely. © 2021 UTHM Publisher. All rights reserved.
Program Studi Pendidikan Teknologi dan Kejuruan, Sekolah Pascasarjana, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung, 40154, Indonesia; Departemen Pendidikan Teknik Mesin, FPTK, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung, 40154, Indonesia; Departemen Pendidikan Teknik Elektro, FPTK, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung, 40154, Indonesia
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