National standard titration method water quality online monitoring instrument

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The principle of the titration method: The online monitoring device for volatile phenols in water is based on the titration process in chemical reactions. This equipment first filters the water sample through a pretreatment system, adjusting temperature and pH to ensure measurement accuracy. Subsequently, the water sample is introduced into the reaction chamber and reacts with specific chemical agents (such as bromine or chlorine), which quantitatively react with volatile phenols, converting them into titratable forms. During titration, the endpoint of the reaction is achieved through a precise titration device, which is the change in solution color. Based on the volume of standard solution consumed and the known concentration, combined with chemical reaction equations, the concentration of volatile phenols in the water sample can be calculated.
Technical Specifications |
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Measurement methods | Bromination capacity method |
Implement standards | HJ/502-2009 |
Measurement range | Measurement range 1: 0-45.00 mg/L; Range 2: 45-400 mg/L; |
Measurement cycle | 30 minutes |
Precision | ≤ 5% F.S. Use a 50% range standard solution |
Application industries | Industrial water process monitoring in the power, chemical, and steel industries, as well as water quality monitoring of wastewater, drinking water, and surface water. |
Automatic cleaning | Yes |
Ambient temperature | 5~28℃ |
Relative humidity | 5~95% |
Sample requirements | Turbidity <50 NTU, maximum particulate size 100 μm< 0.1 g/L |
Sampling method | Through an external overflow container |
Reagent consumption | 260 or 500 times |
Power supply | 110-240 VAC、4A,50/60 Hz |
Maximum power consumption | 150 VA |
Analog signal output | 4-20 mA, maximum load of 500Ω |
Digital signal output | Supports RS485 (Modbus RTU) / Ethernet (Modbus TCP) |
Protective enclosure | IP67 |
Dimensions (H*D*W) | 600*300*500mm |
Weight | 30kg |
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