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Liquid Analysis
Intelligent Reflux Digestion Instrument for Rapid COD Analysis
For laboratory engineers, environmental analysts, and industrial wastewater managers, accurate COD digestion is the foundation of reliable water quality analysis. The Instrava Intelligent Reflux Digester delivers fast, precise, and energy-efficient chemical oxygen demand (COD) digestion, supporting high-throughput testing while maintaining safety and stability.
With a 7-inch color touch screen, independent heating units, and advanced temperature control, this instrument is designed to reduce operator workload, increase reproducibility, and optimize energy use. Perfect for environmental labs, research institutions, and industrial monitoring, it ensures engineers can trust every measurement, every batch.
Liquid Analysis Description
Intelligent Reflux Digestion Instrument for Typical Application Scenarios
Environmental laboratories: surface water, groundwater, and industrial wastewater testing
Municipal sewage treatment plants: rapid COD analysis for effluent compliance
Industrial wastewater monitoring: chemical, food & beverage, textile, paper, electroplating industries
Research & academia: universities and institutes requiring precise COD measurements
On-site laboratory setups: rapid digestion in portable lab units or mobile labs
The instrument is ideal wherever rapid, reliable, and safe COD digestion is required.
Intelligent Reflux Digestion Instrument for Engineering Advantages
Independent Heating Units: Each of the 10 digestion positions is independently controlled for precise temperature regulation and energy efficiency.
Black Crystal Heating Components: Superior insulation and heating efficiency reduce energy consumption and improve safety performance.
High Accuracy: Meets HJ 828-2017 national standard, with ≤5.0% RSD for standard solutions and ≤7.0% RSD for industrial wastewater samples.
Flexible Cooling Options: Air cooling or water cooling selectable to suit laboratory layout and workflow.
High Throughput: Supports 10 simultaneous digestions, reducing per-sample processing time.
User-Friendly Interface: 7-inch color touch screen with intuitive control, timers, and real-time temperature display simplify operation.
Safe & Reliable: Engineered for high-temperature digestion up to 350°C while minimizing risk to operators and samples.
Liquid Analysis Parameter
Intelligent Reflux Digestion Instrument for Technical Specifications
| Parameter | Specification |
|---|---|
| Instrument Name | Intelligent Reflux Digester for COD |
| Measuring Range | 0–700 mg/L (samples >700 mg/L require dilution) |
| Measurement Error | RSD ≤5.0% (standard solution), ≤7.0% (industrial wastewater) |
| Batch Capacity | 10 samples |
| Temperature Control Range | Room temp – 350°C |
| Display | 7-inch color touch screen |
| Cooling Mode | Air cooling / Water cooling |
| Digestion Time Timing | 1–999 min (adjustable) |
| Cooling Time Timing | 1–999 min (adjustable) |
| Instrument Power | 2000 W |
| Measuring Time | ≤150 min |
| Instrument Size | 464 × 553 × 572 mm |
| Instrument Weight | 25 kg |
| Ambient Temperature | 5–40°C |
| Ambient Humidity | ≤85% RH (non-condensing) |
Instrava OEM/ODM
Instrava Engineering & Customization Support
At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.
Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.
In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.
We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.
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Each of the 10 independent heating units precisely controls temperature for every sample, reducing batch variability. Engineers and lab managers can trust reliable, reproducible COD measurements for both standard solutions and industrial wastewater.
Yes. Using black crystal heating elements and advanced insulation, the digester reaches up to 350°C while maintaining energy efficiency and minimizing risk to operators, suitable for demanding industrial or laboratory environments.
The digester supports air or water cooling, allowing rapid post-digestion temperature reduction. This flexibility accelerates sample processing, enabling faster turnaround for laboratories and field engineers handling multiple COD tests per day.
With independent heating, energy-efficient design, maintenance-free operation, and fast digestion times (≤150 min), this instrument reduces operational costs, limits downtime, and ensures high reliability for long-term industrial or research use.
The 7-inch color touch display provides real-time temperature monitoring, timers, and batch control. Engineers and lab technicians can easily set digestion parameters, track progress, and reduce training requirements for new staff.
Absolutely. Its high batch capacity, customizable digestion timing (1–999 min), dual cooling options, and robust construction make it suitable for environmental labs, industrial wastewater facilities, research institutions, and on-site laboratory setups.
Why Choose Instrava
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Engineering-Driven Innovation
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
Application-Specific Customization
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Proven Quality and Reliability
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Global Capability with Local Support
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Comprehensive Product Portfolio
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
Partner-Oriented Engineering Support
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
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