GWQ-EC Online conductivity meter
GWQ-EC200 is an intelligent online chemical analysis instrument that detects the conductivity value or TDS value of the solution through the electrochemical reaction between the conductivity electrode and the solution. At the same time, the measurement results are transmitted to the data acquisition system or automatic control system through analog signals or RS485 communication. It is widely used in the continuous monitoring of EC/TDS in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, biochemistry, food and tap water.
Measuring range：EC: 0~20 ms/cm (customized 500ms/cm), TDS: 0~10000 ppm
Temperature compensation type: manual/automatic (NTC10K/Pt1000)
Output communication: 4-20mA, RS485
Relay alarm: high and low limit alarm (250VAC/3A)
Power supply: 220VAC, 24VDC
The instrument has built-in Chinese and English operating languages, making it applicable to a wider range of scenarios. Independently set standard liquid calibration function, manual/automatic temperature compensation, and more accurate measurement. Pay attention to the door program design to prevent crashes and ensure continuous, stable and normal operation of the instrument. High and low limit relay alarms, combined with sound and light alarm functions, can comprehensively monitor abnormal conditions on site to ensure safe production.
The inner layer of the casing is coated with metal protective paint to effectively shield external electromagnetic radiation, improve the anti-interference ability of the whole machine, and ensure the normal operation of the equipment. The sealed waterproof back cover and waterproof joints effectively prevent water vapor from entering, making it dustproof and waterproof, improving the overall protection capability of the machine. Butterfly buckle design, anti-slip, strong stability, and easier to install.
Hydroponic water quality monitoring
The customer's site is for circulating hydroponic cultivation. The nutrient solution is composed of a reasonable ratio of nutrient solution A, nutrient solution B and acidic buffer. Analytical instruments are required to detect water quality parameters such as pH and EC, and the data is transmitted to the back-end control system in real time. This enables data recording and analysis, as well as automated monitoring and regulation of the entire system. Solution
Water quality parameters such as pH and EC are detected through online analytical instruments, and the data are transmitted to the back-end hydroponic control system in real time in the form of analog signals or digital signals to realize automatic data recording and analysis and decision-making. The dosing pump is automatically controlled through the high and low limit alarm functions to realize the automatic supply of nutrient solution and ensure the balanced proportion of various nutrients in the hydroponic nutrient solution, thereby ensuring that the parameters of the nutrient solution are within a reasonable range, suitable for plant growth and development and effective Absorbed and utilized by plants to maximize yield.
1. Monitor the water quality of the nutrient solution in real time and continuously monitor the entire process to ensure that the nutrient solution meets the standards.
2. Built-in temperature compensation and free calibration program make measurement more accurate.
3. High and low limit alarms, automatically control the start and stop of the dosing pump, and realize automatic proportioning of nutrient solutions.
4. Output analog or digital signals, data collection is more convenient.
5. Large-range conductivity controller, wide measurement range and higher cost performance.
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