“…Several good works have been published that carry out surveys or comparative studies on different types of meters, highlighting those of Rind [48], Suriyan [114], Sanchez-Sutil [66], Sadeeq [115], Karthick [20], Bedi [82], Alahakoon [112], Beaudin [116], Sun [2], Avancini [49], O'driscoll [68], Ageed [117], Viciana [21], Diouri [118], Baduta [119] and Islam [120]. These articles consider and compare parameters such as: a) Meter sensor type (physical principles and nature of measurements captured); b) measurement accuracy; c) measurement frequency (granularity); d) wireless technology used, GSM, Wi-Fi, LPWANN, etc.…”