With the vigorous development of the national economy, the path of industrial development at the expense of the environment is unsustainable, and the government has also strengthened environmental protection requirements and monitoring. This involves many parameters that need to be tested, such as acid-base PH, dissolved oxygen, ORP, etc. So the editor will share with you today on PH. So the question is, what is the PH value? How to detect the PH value? PH scoring experimental and online traditional: people scientifically research and produce many types of acidity meters according to the needs of production and life: press The measurement accuracy can be divided into 0.2 level, 0.1 level, 0.01 level or higher accuracy. According to the volume of the instrument, there are pen type (mini), portable, desktop, and online continuous monitoring and measurement. According to the requirements of use, the pen type (mini) and portable pH meter are usually brought to the site by the inspectors. The accuracy level of the pH meter is selected according to the accuracy required for the user's measurement, and then various shapes of pH meters can be selected according to the user's convenience. On-line: On-line pH detector is a highly intelligent on-line continuous monitor, which consists of two parts:
sensor and secondary meter. It can be equipped with three-composite or two-composite electrodes to meet various applications. Equipped with pure water and ultrapure water electrodes, it is suitable for pH measurement of water with conductivity less than 3μs/cm (such as chemical feed water, saturated steam, condensed water, etc.). Independently developed intelligent PH detectors to monitor PH/ORP values u200bu200bonline , Remotely transmitted to the monitoring room through RS485 or current transmission for record keeping. PH/ORP transmitter is one of the intelligent online chemical analysis instruments, which is widely used in the PH value or OPR value and temperature of solutions such as thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water. Continuous monitoring. The continuous monitoring data can be remotely monitored and recorded through the transmission and output connection with the recorder, and it can also be connected to the RS485 interface through the MODBUS RTU protocol, which can be easily connected to the computer for monitoring and recording. According to the water industry environment and characteristics combined with international power supply standards, a low voltage DC24V has been added. Industrial site: After you have a basic concept, you can introduce it to everyone-PH/ORP tester is one of the intelligent online chemical analysis instruments, which is widely used in thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, Continuous monitoring of PH value or ORP value and temperature in biochemical, food and tap water solutions. This controller can be used in conjunction with various electrodes. Key parameters and specifications of the acid-base tester: 1. Confirm the use occasion and medium 2. Measure the temperature of the medium 3. Corrosive 4. The specific city of the medium 5. Installation method 6. Corresponding controller output signal and functional application aspects: Generally in medium and large sewage treatment plants, in the 1990s, some foreign imported brands, such as E+H, Mettler, Hash, etc., were mainly used. With the improvement of domestic industrial water products, some domestic manufacturers Also gradually entered this market. For example, Kaidi has done a good job in environmental protection and has one-stop service, which has been recognized by a large number of customers and peers.
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