AOSL52-L Ultrasonic Water Level Meter
- Product description
- Technical specifications
- Product portfolio
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- AOSL52-L Ultrasonic Water Level Meter
Measurement principle
In applications such as underground manhole water-level remote sensing, the product’s non‑contact ultrasonic ranging capability enables accurate water-level measurement and performs well under conditions involving water quality, impurities, and floating debris. When deploying the device, it is important to account for the issue of the sensor entering its ultrasonic blind zone at high water levels.
Key Features
▶ The host unit is equipped with an expansion bolt kit, enabling rapid installation at the wellhead.
▶ The host features an ABS housing.
▶ Fully potting‑sealed design, offering excellent waterproof performance;
▶ Independent battery compartment assembly—simply pop it off, plug it in, and hang it to replace the battery.
▶ Low self-discharge batteries enable devices to achieve longer battery life.
▶ Features: AUTEC’s long‑, medium‑, and short‑wave parameters can be set independently, enabling compatibility with a wide range of operating conditions; the ultrasonic transmission energy is adaptively adjusted based on the echo’s signal strength.
▶ Built-in artificial sound speed correction function;
▶ Awards: Multiple patents and software copyrights;
▶ Obtained: the “Test Report” from the Hydrological Instruments and Geotechnical Engineering Quality Supervision, Inspection, and Testing Center of the Ministry of Water Resources;
▶ Obtained: an IP68 test report issued by a CMA‑accredited testing institution of the State Administration for Market Regulation of China;
▶ It has been included in the National Water Conservancy System’s Key Procurement Catalogue for Bidding Products.
Application scenarios
Measurement of manhole water levels, river channel water levels, and canal water levels is carried out under conditions where external power supply is unavailable—for example, when connection to the municipal grid or a solar‑powered system is not feasible. Data are transmitted wirelessly to a server.
This Q‑type, cost‑effective telemetry terminal boasts broad compatibility, seamlessly integrating with single‑static‑pressure, single‑radar, static‑pressure–ultrasonic composite, and static‑pressure–radar composite water level sensors. It is also compatible with other low‑power digital sensors, enabling flexible fulfillment of diverse, low‑cost monitoring requirements.
Technical Specifications
Water level accuracy
0.5%FS±0.001m Water level resolution
0.001m Ultrasonic operating frequency
40KHz Ultrasonic blind zone
0.015m Protection
IP68 Host chassis
ABS, split-type Optional Accessory 1
An external temperature sensor can be connected, with an accuracy of 0.5°C, a resolution of 0.1°C, and a measurement range of -10 to 80°C. Optional Accessory 2
It can be equipped with a combustible (methane) gas concentration sensor; see the AOCH product description for details (battery life will be reduced). Operating temperature
-10~70℃ Battery
Built-in lithium‑ion battery, non‑rechargeable, 76 Ah / 3.6 V DC, with a self‑discharge rate of no more than 5% per year, enabling convenient battery swapping. Refresh
Factory default: Measure once every 5 minutes and upload once; configurable. NB-IoT battery life
Under the 5-minute test-and-transfer operating condition: 4 years 4G.cat1 battery life
Under the 5-minute test-and-transfer operating condition: 4 years Wireless breakpoint resumption When the base station signal is interrupted, data is automatically saved and, once the wireless signal is restored, the timestamped data is resent. Bluetooth (optional) BLE low power, version 5.1; range in open space: 150 meters; sensitivity: -90 dBm; transmit power: +6 dBm; standby current: 50 µA; battery life reduction: -2%
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Address：
No.36, Longhui Road, Wujin National Hi-Tech Industrial Development Zone, Jiangsu Province, China
Address：
Building 5 and 11, Fuzhou IoT Industrial Park,
No. 12 Xingye West Road, Mawei District, Fuzhou City
Tel：
+86-13055728858
Email:
aotai03@fjautec.com Mr. Zhou
aotai01@fjautec.com Mr. Liao
aotai02@fjautec.com Mr. Zhang
aotai04@fjautec.com Mr. Chen
Email:
autec@163.com
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