Laboratory & Field COD Analyzer for Rapid Water Quality Assessment

For environmental engineers, laboratory analysts, and industrial wastewater managers, rapid, reliable, and versatile COD measurement is essential for regulatory compliance, process control, and environmental monitoring.

The Instrava COD Analyzer provides fast detection of COD across 20–10,000 mg/L, with direct concentration readout and flexible measurement modes for both φ16mm tubes and 30mm cuvettes. The high-definition 3.5-inch OLED display and intuitive dial-style UI make operation simple, while the included LH-A109 9-hole digestion unit enables precise, reproducible sample preparation. Portable, lightweight, and durable, the instrument is designed to handle both field and laboratory workflows.

Liquid Analysis Description  

Laboratory & Field COD Analyzer Typical Application Scenarios

  • Environmental laboratories conducting surface water, groundwater, and industrial wastewater testing

  • On-site emergency water quality monitoring

  • Industrial wastewater treatment plants (chemical, food & beverage, textile, electroplating, papermaking)

  • Regulatory compliance monitoring for municipal sewage and effluent discharge

  • Research institutions and universities requiring rapid COD analysis

This analyzer is suitable for both laboratory-grade testing and field-based rapid assessment, supporting multiple industries and measurement scenarios.

Laboratory Water Quality Analyzer for Chemical Oxygen Demand (COD) Measurement
Water Quality Analyzer with Digestion Unit for Rapid COD Measurement

Laboratory & Field COD Analyzer Engineering Advantages

  • Wide Detection Range: Supports COD measurement from 20–10,000 mg/L with segmented ranges for high accuracy.

  • Dual Measurement Modes: Supports φ16mm tube and 30mm cuvette measurements, increasing flexibility for various laboratory setups.

  • High-Definition OLED Display: 3.5-inch color screen with dynamic dial interface, clearly shows range, over-limit warnings, and measurement values for intuitive operation.

  • Stable & Durable Optical System: Cold light source with narrow-band interference ensures long-term stability, 10⁵ hours lifetime, and reliable absorbance readings.

  • Robust Instrument Body: ABS casing reduces wear and tear in laboratory or field environments.

  • Built-In Data Storage: Stores up to 5,000 measurement records for easy traceability and reporting.

  • Integrated Digestion Unit: supports 9-hole digestion, accurate temperature control (±2°C), and 15 pre-configured COD curves, improving repeatability and throughput.

Liquid Analysis Parameter  

Laboratory & Field COD Analyzer Technical Specifications

ParameterSpecification
Measurement Range20–10,000 mg/L (segmented)
Measurement Modesφ16mm tube, 30mm cuvette
Display3.5-inch OLED color display, dial-style UI
Reproducibility≤3%
Indication Error≤8%
Data Storage5,000 records
Instrument Size215 × 150 × 110 mm
Instrument Weight0.85 kg
Rated VoltageAC 220V ±10% / 50Hz
Power4W
ParameterSpecification
Temperature RangeRoom temperature – 190°C
Heating TimeRoom temp – 165°C < 10 min
Temperature Accuracy±2°C
Digestion Time Error≤ ±0.2s / 60min
Number of Digestion Holes9
Pre-configured COD Curves15
Screen3.5-inch color touch screen
Digestion Tube Diameterφ16mm
Tube Height150mm
Heating Liquid Depth80mm
Digestion Capacity0–10 mL
Instrument Size247 × 176 × 200 mm
Instrument Weight3.8 kg
Rated VoltageAC 220V ±10% / 50Hz
Power600W

Instrava OEM/ODM  

Reliable Instruments. Solutions That Fit Your Application.

Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.

By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.

symbolizing trust and the beginning of a long-term partnership

Related Product Recommendations  

The analyzer uses segmented measurement ranges (20–10,000 mg/L) and supports both φ16mm tubes and 30mm cuvettes, providing precise readings even in highly variable wastewater concentrations. Engineers benefit from reliable, reproducible data for compliance and process control.

Yes. The compact 0.85 kg main unit and portable LH-A109 digestion block allow for field deployment without sacrificing laboratory-grade precision. Its durable ABS casing ensures long-term reliability in harsh industrial environments.

The supports 9-hole digestion, fast heating (room temp–165°C in <10 minutes), and pre-configured COD curves. This reduces sample preparation time, improves throughput, and ensures consistent, traceable results for industrial and environmental monitoring.

With low power consumption (4W), maintenance-free operation, long-life cold light source, and 5,000-record internal storage, the analyzer minimizes total cost of ownership while providing high reliability across multiple deployment sites.

The dynamic dial interface provides real-time over-range warnings, and the instrument automatically adjusts measurement parameters. This ensures safe, accurate readings and reduces the risk of false data in high-concentration or complex samples.

  • High-definition OLED display with intuitive dial-style UI

  • Pre-set and customizable COD curves for multiple applications

  • Dual measurement modes for tubes and cuvettes

  • Lightweight, portable design for rapid deployment
    These features reduce training time and make the instrument suitable for both laboratory analysts and field engineers, accelerating project implementation.

Why Choose Instrava

Built on Consistency, Not Claims

Focused on Industrial Applications

We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.

Strict Product Selection Criteria

Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.

Reliable Supply & Quality Consistency

We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.

Practical, Experience-Based Support

Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.

Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.

Industrial measurement scene showing a worker using a precision measuring instrument to measure and mark material on a workbench, demonstrating the practical application of measuring instruments in manufacturing and processing.

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