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This product adopts phenylfluorone-cetyltrimethylammonium bromide spectrophotometric determination. After the water sample and the regulator are mixed, the tin in the water sample reacts with the indicator to form a colored complex. The monitor detects the change in color and converts this change into a tin value for output.

This product adopts 5-Br-PADAP spectrophotometry. After the water sample and the regulator are mixed, the antimony ions in the water sample react with the indicator to form a colored complex. The monitor detects the change in color and converts this change into an antimony value for output.

This product adopts 5-chloro-2-(pyridyl azo)-1,3-diaminobenzene spectrophotometric determination. After the water sample and the regulator are mixed, the cobalt in the water sample reacts with 5-chloro-2-(pyridyl azo)-1,3-diaminobenzene to form a purple-red complex. The monitor detects the change in color and converts this change into a cobalt value for output.

This product adopts 3,5-Br2-PADAP spectrophotometric method. Silver in water sample reacts with [2-(3,5)-dibromo-2-pyridyl azo]-5-diethylaminophenol to generate a stable purple-red complex. The monitor detects the change of this color and converts this change into silver value for output.

The multi-parameter water quality automatic monitoring system is a highly integrated automatic monitoring system, with the five-parameter online water quality monitor as the core, measurement unit, water channel unit, cleaning unit, and all-weather unattended automatic monitoring. It has solar power supply/mains power supply/battery power supply, lightning protection, warmth preservation, wired (wireless) network communication and meteorological five-parameter monitoring functions. It is suitable for scenes with limited space and difficult power supply. The equipment production and construction period is short, the investment is small, and the installation is convenient.

Outdoor small water quality automatic monitoring station is suitable for high-density, low-cost and high-frequency requirements of water quality monitoring. It has the advantages of small footprint, complete quality control functions and reliable operation. The automatic monitoring station consists of water sampling unit, pretreatment and water distribution unit, analysis unit, data acquisition and transmission unit, control unit, auxiliary unit (waste liquid collection, lightning protection, air conditioning, etc.), etc., and can be equipped with quality control unit and remote monitoring platform.

Communication management machine (convergence controller) is an industrial grade four port isolated RS232/RS485 product. It is equipped with an efficient and long-life switch power supply, providing high reliability RS485 interface and power supply for RS485 devices. Communication management machine, equipped with 2500VRMS RS485 bus isolation and ± 15kV ESD protection for human body models, all communication interfaces support hot plugging. The RS485 bus allows the connection of 32 standard load devices, and the communication distance can reach over 1200 meters at a baud rate of 6kbps. 

The communication connector is an RS485 bus HUB designed to meet the requirements of RS485 systems in complex electromagnetic environments. It has two isolated and regulated power supplies and two high-speed RS485 isolated transceivers. The power supply and RS485 interface have 2500VDC electrical isolation and provide good surge suppression and ESD protection functions. The RS485 bus supports connecting 32 standard load devices and supports baud rates up to 200kbps. When the baud rate is 9.6kbps, the communication distance can reach 1200 meters. 

The guide rail type data transmission base station is mainly used to connect various wireless sensor nodes to the wireless sensor platform. Adopting a dual channel wireless link design, dual antennas form spatial diversity to ensure different fading characteristics of the received multipath signals and improve the reliability of signal reception; The power supply adopts a wide voltage DC power supply, with a built-in wide temperature battery and complete power management capabilities; The communication interface adopts RS485 bus interface, which has the advantages of good noise interference resistance, long transmission distance, and multi station capability. 

Ethernet data transmission base station is used to collect wireless signals from various sensors and transmit the data to the control host through the Ethernet bus. The device is composed of MCU, communication interface, 2.4GHz digital RF transceiver, wide input DC/DC regulated power supply, IP67 housing, and antenna. The dual channel wireless link forms spatial diversity, ensuring good reliability of data transmission and environmental adaptability. 

RS485 data transmission base station is used to collect wireless signals from various sensors and transmit the data to the control host through RS-485 bus and Ethernet. It is composed of MCU, RS-485 interface, 2.4GHz digital RF transceiver, wide input DC/DC stabilized power supply, IP67 packaging shell, and high gain directional antenna. The dual channel wireless link forms spatial diversity, ensuring good reliability of data transmission and environmental adaptability. 

4G data transmission base station is used to receive and aggregate information from surrounding sensors, and then upload sensor data to the status monitoring system through 4G communication. It can also transmit data to other backend system hosts or monitoring terminals through RS485 communication. The data transmission base station consists of MCU, communication interface, 2.4GHz digital RF transceiver, communication module, wide input DC/DC stabilized power supply, IP65 housing, and RF antenna; The dual channel wireless link forms spatial diversity, improving the environmental adaptability of data transmission and ensuring good reliability.