How to Source Reliable Polyacrylamide from Top Manufacturers and Suppliers
Shouxin Advanced Polymer Sciences provides high-performance polyacrylamide (PAM) solutions for water treatment, mining, pulp and paper, and industrial applications.Our company has successfully delivered 20 sets of AA400Micro seabed erosion instrument
Successfully delivered 20 sets of AA400 to customers on March 11, 2025Micro seabed erosion instrumentMicro seabed erosion instrumentAA400It is an innovative and cost-effective solution in underwater monitoring technology. As a low-cost, lightweight, and connector free sonar altimeter,AA400Equipped with data recording facilities, it is an ideal choice for long-term monitoring in remote underwater environments where traditional wiring is not feasible.
One of the key features of AA400 is its high-speed wireless Bluetooth communication capability, which allows seamless adjustment of measurement parameters and retrieval of data within minutes. This wireless feature significantly enhances the flexibility and usability of the device, especially in situations where fast and efficient data access is crucial.
The AA400 performs well in terms of low power consumption, and can run efficiently for a long time using only three alkaline AA batteries. This energy efficiency enables the device to deploy autonomously for several months, making it a reliable choice for continuous underwater monitoring. Whether measuring accurate water depth or monitoring sediment movement over a long period of time, the AA400 has been proven to be a self-sufficient autonomous altimeter.
feature
Ø Self contained work
No cables or external power sources are required;
Low power consumption, 3 No. 5 alkaline batteries
Ideal equipment for long-term work;
Ø High speed Bluetooth communication;
Ø Software interface friendly;
Ø Small volume, about 150mm, light weight, about 450g;
Ø Different voltage resistance, 100~300m;
Application:
Monitoring of sediment transport;
Measurement of seabed height;
Monitoring of waves and tide levels;
Monitoring of bridge pile foundation erosion.
Technical Specifications:
Acoustic frequency: 450kHz
Beam width: Cone shaped 5 ° (-3db)
Transmitting pulse width: 10us-100us (10us step size)
Range: 0.15-50m
Temperature resolution: 0.1 ℃
Temperature sensor accuracy: 0.5 ℃ (-10 ℃ -+50 ℃)
Sampling rate: 100kHz
Repetitive ping rate: maximum 10Hz
Range resolution: 1mm
Communication: Bluetooth V2.1![]()












