Optical water quality sensor WOA-9000

industrialfor environmental analysisprocess

Description: The WOA-9000 is an automated online oil-in-water analyzer designed for automatic sampling, extraction, filtration, measurement and waste discharge. It is suitable for measuring oil content in seawater, surface water, municipal sewage and industrial wastewater. Typical applications include petroleum and petrochemical production monitoring, environmental monitoring stations, industrial effluent outlets and wastewater treatment plants.

Main instrument characteristics:

• Full automation: automatic sampling, quantitative extraction, filtration, measurement, automatic waste discharge, cleaning cycle and data storage.
• Continuous operation: instrument can be programmed for continuous measurement up to 72 hours.
• Remote access: supports remote control and data transmission via Ethernet or Wi‑Fi.
• Three‑wavelength infrared photometric measurement to ensure analytical accuracy in accordance with national standards.
• Side‑stirring extraction system for improved solvent–sample contact and higher extraction completeness.
• Operator safety: no manual exposure to carbon tetrachloride or solvents during extraction.
• Advanced filtration replaces the need for sodium sulfate, effectively removing water residues and impurities.
• Extraction parts are made from corrosion‑resistant, non‑oleophilic PTFE and include automated cleaning to reduce cross‑contamination between samples.

Technical index: Detection limit: 0.05 mg/L
Repeatability: RSD ≤ 1% (20–100 mg/L, 11 determinations)
Measurement accuracy: ≤ ±5 %
Linearity: ≥ 0.999
Wavelength repeatability: ±1 cm-1
Extraction efficiency: ≥ 90%
Main machine net weight: 28 kg
Main machine dimensions: 450 mm × 350 mm × 380 mm
Measurement range: 0.05–100 mg/L
Power supply: (220 ± 25) V, (50 ± 1) Hz

Technical specifications:

• Detection limit: 0.05 mg/L
• Repeatability: RSD ≤ 1% (20–100 mg/L, 11 determinations)
• Measurement accuracy: ≤ ±5 %
• Linearity: ≥ 0.999
• Wavelength repeatability: ±1 cm-1
• Extraction efficiency: ≥ 90%
• Main machine net weight: 28 kg
• Main machine dimensions: 450 mm × 350 mm × 380 mm
• Measurement range: 0.05 – 100 mg/L
• Power supply: (220 ± 25) V, (50 ± 1) Hz