COMPARISON OF WATER LEVEL MEASUREMENT PERFORMANCE FOR TWO DIFFERENT TYPES OF DIAPHRAGM USING FIBER BRAGG GRATING BASED OPTICAL SENSORS. J. Teknol. [Internet]. 2016 Jun. 23 [cited 2025 May 12];78(6-11). Available from: https://journals.utm.my/jurnalteknologi/article/view/9203