Kalibrasi Sensor Mq-7 Dan Mq-136 Terhadap Sensor Ecom J2kn Pro Sebagai Alat Pengukur Gas Buang (Co Dan So2) Pada Proses Roasting Kopi: Sensor Calibration of MQ-7 and MQ-136 to Ecom J2kn Pro Sensor as Exhaust Gas Meter (CO and SO2) in Coffee Roasting Process. st [Internet]. 2019 Jun. 30 [cited 2026 May 1];2(2). Available from: https://talentaconfseries.usu.ac.id/index.php/st/article/view/491