IoT GSM GPRS product adherence reporting industrial robustness CGWA rules telementry compliance dependable application RS485 MODBUS Pride Controls System Company extended period vital instrument user-friendliness CGWA) regulations little maintenance groundwater levels accurate monitoring 4-20 mA analog output sophisticated telemetry piezo Piezo Level Sensor seamless data integration Central Ground Water Authority various communication protocols sturdy groundwater monitoring tool contemporary water resource management sustainable water management practices high-precision piezoelectric sensor technology