Basic Principle Of The Instrument
When a monochromatic light passes through the solution to be measured, its energy will be absorbed. The intensity of light absorbed is proportional to the concentration of the measured substance, which conforms to Lambert Beer's law: A=log(1/T)=log(I0/I)=a×b×c
Fulfill The Standard
Conforms to the national standard: HJ 637-2018 "Water Quality Determination of Petroleum and Animal and Vegetable Oils by Infrared Spectrophotometry"
Meet the national standard: "GB3838-2002 Surface Water Environmental Quality Standard"
Meet the national standard: "GB18483-2001 Cooking Fume Emission Standard"
In line with national standards: "GB18918-2002 Pollutant Discharge Standards for Urban Sewage Treatment Plants"
Instrument Application Range
The instrument is mainly used in the measurement of oil content in surface water, ground water, and industrial wastewater, and can also be used for the monitoring of oil in flue gas of catering industry and the monitoring of oil content in solids. The instrument is a professional instrument for measuring oil content in water, gas and solid.
Wide Range Of Application Industries
Environmental monitoring systems of various departments, petrochemical, hydrology and water conservancy, tap water, sewage treatment plants, thermal power plants, iron and steel enterprises, scientific research and teaching in colleges and universities, agricultural environmental monitoring, railway environmental monitoring, automobile manufacturing, marine environmental monitoring, traffic environmental monitoring, environmental monitoring Scientific research and other large and medium-sized enterprise testing rooms and laboratories
Instrument Features
■It can measure the oil content of liquid, solid, gas and other measured substances at the same time
■High accuracy: the error of each measurement does not exceed ±1.5%
■Baseline drift is less than 0.005AU/60min
■Opto-mechanical-electrical integration design, electric modulation light source, improve the reliability of the instrument
■Automatically adjust the zero point and automatically adjust the full scale value of the instrument
■The instrument uses RS232 or USB2.0 interface, which is convenient to connect with the computer
■Mathematical statistics, spectrogram display, storage, printing and other functions
■With the function of measuring instrument correction coefficient
■With direct reading function of non-dispersive measurement results, no need to convert
■Can test the purity of carbon tetrachloride
■S-316, tetrachloroethylene, trichlorotrifluoroethane and other non-carbon and chlorine organic solvents can be used as extraction agents
Technical Index Parameters
Baseline stability: zero point automatic adjustment (eliminates the influence of baseline drift)
◆Minimum detectable concentration 0.0008mg/L (oil concentration in water)
◆Maximum measurement concentration: 98000mg/L (oil concentration in water)
Wavenumber range: 3400cm-1～2400cm-1 (2940nm～4167nm)
Wavenumber accuracy: ±1cm-1
Wavenumber repeatability: ±1cm-1
◆Absorbance range: 0.00000～4.00000AU, 4 adjustable ranges
◆Basic measurement range: 0.～1000.00mg/L; (no dilution required, software adjustable)
Repeatability: relative standard deviation RSD<0.6% (standard oil samples with a concentration of 20-40mg/mL)
Linear correlation coefficient R＞0.999
◆Methyl resolution＞2%
Sample analysis time: full spectrum scan: 30 seconds
Fixed-point multiple scanning: 10 seconds
Non-dispersive infrared method: 2 seconds
Solvent Blank Zeroing: Automatic
Ambient temperature: 5℃～35℃
Relative humidity: 20% to 80%
◆The instrument uses USB2.0 or USB3.0 interface, and the software is compatible with Win8.1 and Win10 operating systems
Main unit dimensions: 470mm (length) × 330mm (width) × 150mm (height)
Host power supply: 220VAC, 50Hz