QuickCODultra BrochureThe QuickCODultra Online COD Analyzer

QuickCODultra Monitors Chemical Oxygen Demand

Fast, Accurate, Low-maintenance Monitoring of COD, TOC, TOD or Nitrogen


Continuous batch, three-minute Oxygen Demand Without Chemicals or Byproducts.

The QuickCODultra is an online measurement system for the measurement of Oxygen Demand (COD) using thermal combustion, giving a result within minutes, even in difficult sample matrices. The QuickCODultra is suitable for almost every COD measurement in sewage treatment and industrial wastewater applications. Typical online applications are plant effluent monitoring, waste water treatment (influent and effluent water), detection of organic spills and product loss (e.g. in chemical, petro-chemical and food processing plants).

The LAR QuickCODultra is an online COD/TOD measurement system for the measurement of chemical oxygen demand and suitable for the most difficult wastewater applications.

Combustion at 1200°C guarantees the complete oxidation of the sample. Even loads with salt concentration of up to 20% and in the case of NaCl as much as 30%, are easily melted at this temperature. LAR's method works without dangerous and caustic substances. No disposal is needed for analysis residue, cleaning solutions or harmful reagents. This means a high level of safety, and ease of operation is guaranteed at all times.

LAR's unique robotic system is capable of transporting and measuring high-solids content without sample filtration. The QuickCODultra is designed to operate in batch mode. COD analysis takes place in 3 minutes. This speed guarantees that very short peaks can be measured during a daily cycle.


• Measurement range: 0.1 - 200,000 mg/l COD
• Response time: 3 minutes
• COD monitoring
• Measures the real oxygen demand
• Highest combustion temperature (1,200°C) available on the market
• Catalyst-free technique
• Reagent-free analysis
• No filtration necessary
• No memory effects
• Very low maintenance and operational costs


• Wastewater treatment
• Process control

Cabinet Options:

• IP54 (Standard)
• ATEX Zone I
• ATEX Zone II


• Multi-channel measurement
• Combined TOC and TNb detection

Technical Specifications for the QuickCODultra

Measurement Method Thermal oxidation at 1,200°C to ASTM D6238-98, free of catalysts and reagents.
Response Time 1-2 minutes
Measuring ranges 10–150 mg/L
100–2,000 mg/L
500-5000 mg/L
1000 - 8000 mg/L
20,000 - 250,000 mg/L COD
others available

Dimensions and Weight

Housing Steel IP54, Powder Coated
Options Stainless steel, IP 65, Exp Zone 1 and 2 for T3, T4 classes (ATEX, IECex)
Dimensions 700 x 1020 x 520 mm (W x H x D)
Weight 115 kg (Standard)

Electric and Hydraulic Specifications

Inflow and Outflow Tube 4.8mm ID
Tube 8 mm ID.
Tube 12 mm ID

Electric and Hydraulic Specifications

Inflow and Outflow Tube 4.8mm ID
Tube 8 mm ID.
Tube 12 mm ID
Power Supply 230 /115 V, ~50 / 60 Hz
Analog Output 0/4– 20 mA
Serial Interface RS 232
Safety 2/6 A internal, 16 A external
Remote Control Through TCP/IP Protocol (Internet)

Equipment Devices and Data Output

Display High resolution, backlit TFT Touchscreen Graphic Display
Autostart Autostart function built-in, standard
Interface Self-explanatory graphical software interface
Data Interface Standard data interfaces to office PC: (USB)

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