2024-05-04T04:36:38
Electromagnetic Flow Meter As Per CGWBA
Digital Flow Meters:
Importance:
Digital flow meters play a crucial role in accurately measuring water flow rates.
They help monitor groundwater extraction from borewells and other sources.
Installation Requirements:
It’s essential to install digital flow meters with telemetry capabilities.
The metering technology can be either ultrasonic or electromagnetic.
Ensure that the meter is tamper-proof and sealed to prevent unauthorized access.
The accuracy of the meter should be better than ±2% for the specified flow range.
Compliance with ISO 4064:2014 Standards is necessary.
Telemetry features should allow real-time data transmission to a secure cloud.
Battery-operated meters should have a sufficient lifespan (at least 3 years).
Complete AMR/AMI systems and cloud-based data management software are recommended.
CGWA Guidelines:
Follow the CGWA guidelines for installation and compliance.
Electromagnetic Flow Meters (EMF):
Functionality:
EMFs are ideal for measuring the flow of conductive liquids (such as water).
They operate based on Faraday’s law of electromagnetic induction.
Features:
Digital display for instantaneous flow readings.
Remotely accessible via an IoT platform.
Tampering alerts on the dashboard.
Backup data availability upon request.
No pressure drop during flow measurement.
Available in two variants.
CGWA Requirements:
Both ultrasonic and electromagnetic flow meters must be installed.
Compliance with ISO 4064:2014 Standards and IP 68 ingress protection is necessary.
Accuracy class: 2, T50, as per ISO 4064:2014 standard.
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