Work KDB-200COD factory line automatic monitoring instrument for the automatic monitoring of industrial wastewater and sewage treatment process, water quality monitoring. Instrument to dichromate digestion and colorimetric measurement technology as the basic routes to international standard reflux method as the calibration basis, supported by stable, innovative air plus fluid technology to achieve automatic monitoring of the accuracy, reliability, easy operation and maintenance. 

 Technical Specifications 1. Measurement method: potassium dichromate digestion, colorimetric assay 
 2. Measuring range: 10 ~ 1000mg / L (extended to 0 ~ 5000mg / L) 
 3. The minimum measurement period: 30 minutes 
 4. Measurement error: ≤ ± 10% (standard sample), ≤ ± 15% (the actual water samples) 
 5. Repeatability error: ≤ ± 10%: ≥ 720 hours / times 
 7. Data output: large-screen LCD display 8. Communication Interface: RS232 

 Technical Features 1. This instrument is based on the GB11914-89 provisions designed automated equipment, and manual analysis with good correlation. 
 2. With independent intellectual property patents technology - Pneumatic Quantitative add reagents to solve the corrosion, valve leakage and unreliable technical difficulties, in 
 Unique in the world. . 
 3. Safe and reliable electric design to ensure high oxidation efficiency and service life. 
 4. Chloride ion masking ability, and can monitor the chlorine-containing 3000mg / L less water. 
 5. Can automatically clean the sample tube, measurement unit, digestion reaction unit, measurement unit of the pipeline. 
 6. Power protection design. Has the power to save the data to a power and restore function. 
 7. Can store more than 2000 groups monitoring data. 
 8. With network functions. Through the network platform, enabling sharing and remote control numbers.