Infrared Spectroscopic Oil Analyzer Basic Principle
When a monochromatic light passes through the test solution, its energy is absorbed. The intensity of light absorbed is proportional to the concentration of the tested substance, in accordance with Lambert-Beer's Law: A=log(1/T)=log(I0/I)=a×b×c

Meets Standards
Meets Standard: "HJ637-2018 Water Quality - Determination of Petroleum and Fats and Oils - Infrared Spectrophotometric Method"
Compliant Standard: "GB/T16488-1996 Determination of Water Quality – Petroleum and Vegetable Oils by Infrared Spectrophotometry"
Meets Standard: "GB3838-2002 Surface Water Environmental Quality Standard"
Meets Standard: "GB18483-2001 Standard for Fume Emission from Catering Industry"
Meets Standard: "GB18918-2002 Standard for Wastewater Discharge from Urban Sewage Treatment Plants"

Instrument Application Range
This instrument is primarily used for measuring oil content in surface water, groundwater, and industrial wastewater. It is also suitable for monitoring oil in restaurant smoke and solid materials. The instrument is a professional tool for measuring oil content in water bodies, gases, and solids.

Wide range of application industries
Environmental monitoring systems for various departments, including petrochemicals, hydrology and water conservancy, water supply, wastewater treatment plants, thermal power plants, steel enterprises, university research and teaching, agricultural environmental monitoring, railway environmental monitoring, automotive manufacturing, marine environmental monitoring, traffic environmental monitoring, and environmental research, among the testing and laboratory facilities of major and medium-sized enterprises.

Instrument Features
High Accuracy: Measurement error not exceeding ±2% (40mg/L) per reading
Baseline drift less than 0.005 AU/60 min
Electrical modulated light source, enhancing instrument reliability
■Zero-point automatic adjustment, automatic adjustment instrument full scale value
The instrument features RS232 or USB 2.0 interfaces for convenient connection to computers.
■ Features include mathematical statistics, spectral display, storage, and printing functions
Function for measuring instrument calibration coefficient
■Direct-reading feature with non-dispersive measurement results, no conversion required
■ Can test the purity of carbon tetrachloride
■S-316, tetrachloroethylene, and other non-carbon chlorinated organic solvents can be used as extractants.


Technical specifications parameters
Baseline drift less than 0.005 AU/60 min
Low detection concentration of 0.002 mg/L (oil content in water)
High measurement concentration: 64,000 mg/L (oil content concentration in water)
Wavenumber Range: 3400 cm^-1 to 2400 cm^-1 (2940 nm to 4167 nm)
Wavenumber accuracy: ±2 cm^-1
Wavenumber repeatability: ±2 cm^-1
Absorbance Range: 0.00000 – 3.00000 AU
Basic measurement range: 0.20～100.00 mg/L
Repeatability: Relative Standard Deviation (RSD) < 2% (for standard oil samples with a concentration of 20-40 mg/mL)
Linear correlation coefficient R > 0.999
Methyl resolution > 3%
Sample Analysis Time: Full Spectrum Scan: 30 seconds
Spot multiple scans: 10 seconds
Non-dispersive infrared method: 2 seconds
Zeroing out blank solvent: Automatic
Host dimensions: 470mm (Length) × 330mm (Width) × 150mm (Height)
Main Unit Weight: 10 Kg
Main Power Supply: 220VAC, 50Hz

Normal operating environmental conditions for the instrument
Power supply should be stable; it is recommended to use a 1-5KW electronic AC voltage stabilizer.
Room temperature requirement: 5-35°C, relative humidity 20%-85% (RH)
No severe vibration, no strong electromagnetic field interference, no corrosive gases
Well-ventilated laboratory
■ Expandable to field portable infrared oil in water analyzer, compatible with 220V AC power supply or driven by an external DC power source (with 8 hours of runtime). The expanded model is suitable for measuring oil concentration in water at field or emergency incident sites, as well as for accurate qualitative and quantitative analysis of oil samples in laboratories using AC power.