Four Technical Requirements for Installing Automatic Hydrological Measurement Instruments

00:18, 11/07/2024

Circular 30/2018/TT-BTNMT has been signed and promulgated by the Ministry of Natural Resources and Environment, stipulating technical regulations on monitoring and providing meteorological and hydrological information and data for specialized meteorological and hydrological stations.

According to the new regulations, the installation of automatic hydrological factor measuring devices must meet the following technical requirements:

- Non-contact water level measuring device: must be fixedly installed at a position at least 1.0m above the highest water level that has occurred;- Contact water level measuring device: must be fixedly installed at a position at least 0.2m below the lowest water level that has occurred;- Non-contact water flow measuring device: must be securely installed at a fixed position at least 1.0m above the highest water level that has occurred;- Contact water flow measuring device: must be securely installed, ensuring the best capability to observe the water flow of the river's cross-section.

Refer to other regulations in Circular 30/2018/TT-BTNMT, which came into effect on February 11, 2019.

- Thanh Lam -

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