Physical display of BOD5 tester – Close-up view of the HJ-870 model

Thread Content

The HJ-870 BOD5 analyzer is one of the earlier BOD measurement devices in China; it has a wide range of users and is easy to operate. Due to its practicality, low cost, and stable performance, it has always been favored by researchers. Among current BOD measuring instruments, the HJ-870 model remains the choice of many customers. Biochemical oxygen demand BOD5 is a mandatory parameter in water quality assessment, and it serves as an important indicator to measure the degree of pollution of water quality caused by organic substances. The traditional method for measuring BOD5 relies on chemical dilution. This method is cumbersome to operate, requires high experimental skills from the analysts, and results in significant variability in the experimental data, often preventing the derivation of accurate experimental results. This instrument uses the mercury pressure difference method to determine the BOD value. This experimental method boasts high feasibility and precision, fully meeting the **standard methods for BOD testing, and is recognized by customers. It is widely used in sectors such as environmental monitoring, petrochemical industry, healthcare, and teaching and research for the monitoring of water quality, serving as a powerful tool for analysts.