LH-3BV Multi Parameter Water Quality Tester Introduction: The intelligent full band analysis instrument developed in accordance with the requirements of the third and fourth editions of the "Water and Wastewater Monitoring and Analysis Methods" and the "Environmental Protection Industry Standards of the People's Republic of China" is equipped with four major modes: water routine detection, multi parameter detection, UV total nitrogen detection, and UV visible photometer detection. It supports the detection of 56 photometric indicators such as COD, ammonia nitrogen, total phosphorus, and total nitrogen, as well as electrode method temperature, pH, conductivity, dissolved oxygen, and ORP water routine indicator detection. 1. Integrated with a multi parameter analyzer, total nitrogen analyzer, UV visible spectrophotometer, temperature tester, pH tester, conductivity tester, and dissolved oxygen analyzer, it can meet all routine laboratory testing requirements. 2. The design of this machine complies with the standards of COD - "HJ/T399-2007", ammonia nitrogen - "HJ535-2009", total phosphorus - "GB11893-89", and total nitrogen - "HJ636-2012", and can be used as a routine instrument in water quality testing laboratories. 3. The water routine indicators meet the requirements of the "JJG119-2018 Laboratory pH (Acidity) Meter", "JJG376-2007 Conductivity Meter" calibration regulations, and "JJG291-2018 Dissolved Oxygen Tester" calibration regulations for fluorescence method measurement of dissolved oxygen, and can be used as a professional water routine project measuring instrument. 4. Testing total nitrogen project, UV dual wavelength automatic switching, concentration direct reading, simple and easy to use, flexible and efficient, good wavelength repeatability, and precise results. Can be used as a professional total nitrogen analyzer. 5. Testing photometric projects, automatic wavelength switching, customizable curve, input concentration or curve, achieving direct reading of concentration, simple and easy to use, good wavelength repeatability. Can be used as a professional spectrophotometer, more intelligent and user-friendly. 6. The instrument design of this machine is more technological, adopting a 10.1-inch ultra large touch display screen with ultra clear display interface and flexible touch. The appearance is simple and elegant, and the functions are simple and practical. 7. Each measurement item can store 10000 sets of data and can be freely viewed. It supports instant printing and can be uploaded to a computer. 8. Inheriting all the advantages of Lianhua Instrument, the instrument measurement operation interface and functions have been optimized to make the operation simpler and more convenient. 9. Equipped with a standard digestion device to digest water samples. 10. Equipped with comprehensive professional consumables and reagents, the work steps are greatly reduced, and the measurement is simpler and more accurate. 11. The instrument has its own calibration function, which can calculate and store curves based on standard samples without the need for manual curve creation. 12. Comes with a printer that can print current data and stored historical data. 13. Equipped with USB interface and infrared transmission function, it can transfer stored historical data to the computer. 14. Adopting a fully Chinese operating mode, which conforms to daily operating habits and is easier to operate and master. Technical parameters: Parameters of spectrophotometry Detection parameters: 56 items including COD, ammonia nitrogen, total phosphorus, total nitrogen, etc. (detection of UV visible full band spectrophotometry indicators) Display mode: transmittance (%), absorbance, and concentration wavelength range (190-1100) nm Wavelength repeatability:<0.6nm Transmission error ± 1.5% Stray light:<0.1% wavelength accuracy ± 1nm Spectral bandwidth: 2.0nm with 450 curves Data storage: 10000 records per project Water routine index parameters Detection parameters: temperature, pH, ORP, conductivity, dissolved oxygen Measurement range: (-25~125) ℃ (0.000~20.000) pH (-2000~2000) mV (0~200) mS/cm (0.00~20.00) mg/L Unit: Automatic switching between ℃ and ℉ -—— Resolution: 0.1 ℃ 0.001PH 0.01mV 0.01 μ S/cm 0.01mg/L Saturation: -- (0~200)% Zero value error: ≤ 0.1mg/L Response time:<60s to reach 90% Temperature range: - (-10~60) ℃ Temperature indication error: ≤ 0.2 ℃ Salinity compensation error: ≤ 2% Physical parameters Instrument size: (480 × 380 × 240) mm Instrument weight 17.5Kg Display screen: 10.1-inch touch screen, fully Chinese display sample pool compatibility colorimetric dish/colorimetric tube work environment Environmental temperature: (5~40) ℃ Environmental humidity Relative humidity ≤ 85% RH (no condensation) Working power supply: AC220V ± 10%/50Hz rated power 95W
Introduction: The intelligent full band analysis instrument developed in accordance with the requirements of the third and fourth editions of the "Water and Wastewater Monitoring and Analysis Methods" and the "Environmental Protection Industry Standards of the People's Republic of China" is equipped with four major modes: water routine detection, multi parameter detection, UV total nitrogen detection, and UV visible photometer detection. It supports the detection of 56 photometric indicators such as COD, ammonia nitrogen, total phosphorus, and total nitrogen, as well as electrode method temperature, pH, conductivity, dissolved oxygen, and ORP water routine indicator detection.
