Electromagnetic Flow Meter as Per CGWB Guideline - Allegiance Water Management
The Central Ground Water Authority (CGWA) has issued guidelines for the use of water meters with telemetry for groundwater extraction1. Allegiance Water Management offers an Electromagnetic Flow Meter that aligns with these guidelines.
According to the CGWA guidelines, it’s mandatory to install an Ultrasonic and Electromagnetic flowmeter. The water meter should be manufactured as per ISO 4064: 2014 Standards and should have IP 68 ingress protection. The flowmeter should have an accuracy class 2, T50, as per ISO 4064:2014 standard1. The manufacturer needs to submit the latest certificate of the meter from FCRI / National Physical Laboratory (NPL) or any government NABL accredited laboratory, for every meter1. The flowmeter must have a battery-operated power source1.
The Allegiance Electromagnetic Flow Meter, also known as a mag flow meter, is a volumetric flow meter that is ideally used for water, mild acid or alkali, salt solution, pulp, wastewater (ETP, STP, WTP & WWTP), and other conductive media that experience low pressure drop2.
The CGWA also requires the data of the telemetry system to be stored in a meter, even in the power failure mode. A telemetry system can have a battery-operated or external power supply. Data must be transmitted via Lo Ra WAN or cellular phone (GPRS/3G/4G). Telemetry data should be transmitted to CGWA via a secure cloud server and the cloud server should be registered with Meity. The parameter to be monitored by the telemetry system is the time stamp, the cumulative volume, the cumulative operating hours of the pump, at a minimum of twice a day.
Please note that these are the general guidelines and the specific requirements may vary based on the location and usage. Always consult with a professional or the local authorities for the most accurate information.
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