± LAN day NOCs Users MeitY 3 years Ministry accuracy Batteries data loss Reporting Compliance Mechanical GPRS/3G/4G ultrasonic guidelines standard PC Electronics Borewell ID installation More Details Battery Life secure cloud power failure telemetry data CGWB web portal allegianceindia key requirements LoRa WAN Cellular maximum flow rate Data Transmission electronic sealing Metering Technology unauthorized access operating flow range internet connectivity last calibration date Objection Certificates Information Technology groundwater extraction telemetry system units Battery-operated meters ISO 4064:2014 Standards minimum 2 transmissions complete AMR/AMI system Data Management Software Digital Water Flow Meters Electromagnetic Technology Cumulative reverse flow volume The Central Ground Water Board following communication methods Contac Us Allegiance Water Management Timestamp Cumulative forward flow volume Cumulative net volume Cumulative pump working hours Meter serial number Device