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The ultrasonic water level sensor has passed GB/T 11828.4-2011 compliance testing时间：2025-02-26 Recently, the company independently developed the AL2020 low-power ultrasonic water level sensor. It has passed the compliance test of GB/T 11828.4-2011 of the East China Hydrological Testing Center, and the 10-meter range meets or is due to the national standard in key indicators such as measurement error, blind spot, repeatability, and power supply range. |
