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What instruments are generally needed for drinking water quality testing?
There are many indicators such as residual chlorine, total chlorine, chlorine dioxide and ozone in drinking water and its source water, and the instruments used to detect different indicators are also different. Commonly used instruments for water quality testing are:

1, COD tester: an indicator for measuring the organic matter content in water. The greater the quantity, the more serious the pollution.

2.BOD rapid detector: detect biochemical oxygen demand (BOD) in water.

3. Ammonia nitrogen detector: measure ammonia nitrogen in water. When the content of ammonia nitrogen is high, it will be toxic to fish.

4. Rapid total phosphorus analyzer: used to detect total phosphorus. Excessive phosphorus will lead to lake eutrophication and bay red tide.

5. Total nitrogen detector: an intelligent instrument for detecting the total nitrogen content in sewage.

6. Infrared oil meter: used to measure and detect the contents of petroleum and animal and vegetable oils in groundwater, surface water, domestic sewage and industrial wastewater, as well as the concentration of cooking fume in catering industry.

7.COD/ ammonia nitrogen/total phosphorus/total nitrogen multi-parameter tester: used to detect COD/ ammonia nitrogen/total phosphorus/total nitrogen in water.

8.COD/ total phosphorus water quality tester: supports the determination of multi-parameter COD and total phosphorus, and is suitable for field and field emergency detection.

9.COD/ ammonia nitrogen/total nitrogen water quality tester: determination of water quality COD, ammonia nitrogen and total phosphorus.

10, ammonia nitrogen/total phosphorus/total nitrogen portable water quality analyzer: supports the determination of multi-parameter ammonia nitrogen, total phosphorus and total nitrogen.

1 1, COD/ ammonia nitrogen/total phosphorus/total nitrogen/dissolved oxygen/turbidity/chromaticity/suspended matter multi-parameter analyzer: detect COD/ ammonia nitrogen/total phosphorus/total nitrogen/dissolved oxygen/turbidity/chromaticity/suspended matter in water.

12, sewage five-parameter analyzer: it mainly measures five parameters of CODCr, total phosphorus, ammonia nitrogen, suspended matter and total nitrogen in sewage.

13, tap water/sewage detector: It can be used to measure 78 parameters such as turbidity, chromaticity, suspended matter, residual chlorine, total chlorine, bound chlorine, chlorine dioxide, dissolved oxygen, ammonia nitrogen, nitrite, chromium, iron, manganese, copper, nickel, zinc, sulfate, phosphate, nitrate nitrogen, anionic detergent and ozone in drinking water.

14, aquaculture water quality analyzer: It is suitable for the detection of aquaculture water to control the PH value, nitrite, ammonia nitrogen, dissolved oxygen, water temperature and salinity of water to meet the specified water quality standards.

15, swimming pool water quality detector: used to measure urea, total chlorine, residual chlorine, PH and turbidity of swimming pool.

16, rapid analyzer for drinking water: rapid determination of 35 items such as residual chlorine, total chlorine, chlorine dioxide and ozone in drinking water and its source water.

17. Multi-parameter water quality analyzer: used to measure parameters such as pH, ORP, sodium, ammonium, ammonia, fluorine, nitrate, chlorine, conductivity and dissolved oxygen.

18, dissolved oxygen detector: used to detect the concentration of dissolved oxygen in water samples, so as to control the dissolved oxygen in water to meet the specified water quality standards.

19, PH meter: used to monitor the PH value in chemical, metallurgical, environmental protection, pharmaceutical, biochemical, food and tap water solutions.

20. Conductivity meter: used for conductivity measurement in many disciplines and fields such as scientific research, teaching, industry and agriculture.

2 1. Residual chlorine detector: It is suitable for detecting the residual chlorine concentration of domestic or industrial water in large, medium and small water plants, industrial and mining enterprises, swimming pools and other places, so as to control the residual chlorine in water to meet the specified water quality standards.

22. Velocity flowmeter: It can be used to measure and calculate the velocity and flow of various open channels and pumping stations.

23. Online water quality monitoring instrument: online monitoring of COD/ ammonia nitrogen/total phosphorus/total nitrogen/heavy metals/microorganisms.