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Beijing Jingxiang Environmental Technology Co., Ltd
Sharing of Scientific Usage Methods for Online Calcium Magnesium Ion Analyzer
Date: 2025-10-23Read: 0
In industrial circulating water treatment, boiler feedwater monitoring, drinking water safety assessment, and environmental water quality monitoring, calcium and magnesium ion concentrations are the core indicators for measuring water hardness. Excessive hardness can easily lead to equipment scaling, reduced thermal efficiency, and shortened service life. The online calcium magnesium ion analyzer can monitor the Ca2+and Mg2+content in water in real time and continuously, providing precise control basis for water treatment systems. However, its measurement accuracy is highly dependent on proper operation and maintenance. Mastering the scientific usage of online calcium and magnesium ion analyzers is the cornerstone of ensuring the authenticity and reliability of data.
1、 Installation site selection: laying a stable foundation
The instrument should be installed in an environment away from vibration, strong electromagnetic interference, and high temperature and humidity. The sampling point should be located on a stable and representative main pipeline to avoid stagnant water areas or bubble accumulation. Ensure that the sampling pipeline is short and straight, using corrosion-resistant materials such as PVC or stainless steel to prevent secondary pollution or blockage.
2、 Pre treatment system: ensuring the quality of incoming water
The water sample to be tested needs to undergo filtration, pressure regulation, and degassing treatment. Install 5-10 μ m precision filters to remove suspended solids and particulate impurities, preventing sensor contamination or blockage. If the water pressure is too high, install a pressure reducing valve; For water samples with high gas content, a degassing membrane or gas-liquid separation device should be installed to avoid bubble interference with electrode response.
3、 Sensor activation and calibration: ensuring measurement reference
Before replacing the electrode, activation treatment (such as soaking in electrolyte) should be carried out according to the instructions. Regularly use standard calcium and magnesium solutions for multi-point calibration (recommended once a week) to verify the linearity and accuracy of the instrument. During the calibration process, ensure that the standard solution is fresh and the labels are clear to avoid cross contamination.
4、 Parameter setting and mode selection
Set the measurement range (such as 0.1-100mg/LCaCO2), alarm threshold, and output signal type (4-20mA, RS485, etc.) according to the application scenario. For total hardness measurement, confirm whether the instrument automatically calculates the sum of Ca22 and Mg22; If sub item measurement is required, the corresponding detection module should be activated.
5、 Operation monitoring and data recording
Real time observation of the trend of measurement value changes through the display screen or upper computer software, and timely troubleshooting should be carried out if abnormal fluctuations are found. Regularly export historical data for trend analysis and compliance reporting. Pay attention to checking the cleaning cycle settings to ensure that the automatic cleaning function is functioning properly.