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Liquid Analysis
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Instrava portable water quality test meter is engineered for rapid, accurate, and field-ready water analysis. Supporting over 30 key water quality parameters, including COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, suspended solids, and more, this meter empowers environmental engineers, laboratory technicians, and field operators to make precise decisions quickly. Its guided operation and industrial-grade high-performance electronics enable efficient testing without specialized training, significantly reducing operational errors and improving productivity. Integrated data management and printing streamline reporting for compliance and audits.
Liquid Analysis Description
Laboratory Water Quality Analyzer Meter Application Scenarios
Field & Laboratory Water Monitoring:
Municipal drinking water plants – Ensure safe distribution and compliance with regulatory turbidity and chemical standards.
Industrial wastewater monitoring – Accurate measurement of COD, nitrogen, phosphorus, and other pollutants for compliance reporting.
Aquaculture and agriculture – Assess dissolved oxygen, turbidity, and suspended solids for water quality management.
Environmental monitoring – Surface water, rivers, and reservoirs to track pollution levels and support remediation programs.
Laboratories & research facilities – Rapid, precise multi-parameter analysis without the need for complex sample preparation.
Suitable Workflows:
On-site rapid testing: Portable, lightweight, and self-contained with integrated accessories.
Routine monitoring: Batch testing of multiple samples with high repeatability and low drift.
Regulatory reporting: Built-in printing and USB data export simplify reporting and recordkeeping.


Laboratory Water Quality Analyzer Meter Engineering Advantages
Intelligent Guided Operation: Step-by-step prompts simplify complex procedures; operators without prior experience can perform tests efficiently.
High-Performance Electronics: Advanced 32-bit microcontroller ensures fast response, high measurement accuracy, and stable operation.
Optimized User Interface: 5-inch high-definition LCD with flat UI design and minimal buttons for intuitive operation.
Versatile Data Management: Dual USB (Type A & B) interfaces for direct data export; 2 million+ data points and 300 built-in curves support large-scale monitoring programs.
Integrated Thermal Printing: Built-in printer allows immediate documentation of real-time and historical measurements, including operator ID and timestamps.
Cost-Efficient & Environmentally Friendly: Liquid reagents (95% pre-prepared) reduce waste and save up to 30% reagent costs compared to competitors.
High-Precision Digestion: Paired with a 15-slot intelligent digestion device, 3.5-inch touchscreen, PID-controlled temperature, dual safety alarms, and customizable temperature/time profiles ensure consistent digestion for COD, total nitrogen, phosphorus, and chromium.
Portable & Compact Design: Instrument weighs 2 kg, digestion unit 3.5 kg, making it suitable for laboratory and field deployment.
Liquid Analysis Parameter
| Component | Parameter | Specification |
|---|---|---|
| Measurement Accuracy | ± | ≤±5% |
| Repeatability | ± | ≤±3% |
| Wavelength Accuracy | ± | ±1 nm |
| Optical Stability | ≤±0.001A/20 min | |
| Colorimetry Method | Digestion-colorimetric integrated tube | |
| Wavelength Selection | Automatic according to test item | |
| Wavelength Calibration | Automatic | |
| Data Display | Concentration, Transmittance (%), Absorbance (A) | |
| Light Source | Dedicated solid-state cold light | |
| Data Transmission | USB (Type A & B) | |
| Data Printing | Built-in thermal printer | |
| Data Processing | 20,000 records, 300 curves (user-expandable) | |
| Display Screen | 5-inch color LCD | |
| Operating Environment | Temperature / Humidity | 5–45℃ / ≤50% non-condensing |
| Power Supply | 12V 2A, AC 100–240V, 50–60Hz | |
| Instrument Dimensions / Weight | 310 × 190 × 150 mm / 2 kg | |
| Digester Control | Touchscreen / Chip | 3.5-inch / STM32 |
| Digestion Capacity | 15 tubes | |
| Digestion Temp Range | 0–200℃ adjustable | |
| Heating Control | PID, single temperature zone | |
| Temperature Accuracy | ±0.5℃ | |
| Alarm Functions | Temperature reach & constant, digestion complete | |
| Digester Dimensions / Weight | 320 × 180 × 120 mm / 3.5 kg | |
| Heating Power | 500 W | |
| Working Environment (Digester) | -10–40℃, ≤85% RH |
Instrava OEM/ODM
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.

The instrument supports over 30 parameters, including COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, suspended solids, heavy metals, organic and inorganic pollutants. Optional modules allow expansion for additional indicators, ensuring versatility for different water analysis needs.
No. The meter features guided operation with step-by-step prompts and an intuitive 5-inch high-definition touchscreen. Even non-specialized personnel can quickly perform accurate measurements while avoiding common operational errors.
The system is powered by a high-performance 32-bit microcontroller and dedicated cold-light solid-state optical source, offering ≤±5% measurement error and ≤±3% repeatability. Automatic wavelength calibration and stable optical design ensure consistent and precise results.
Yes. The portable meter includes a built-in rechargeable lithium battery and compact design, enabling field testing without external power. Accessories come in a professional carrying box for easy transport and deployment.
The device supports USB Type A & B export, built-in thermal printing, and storage of 20,000+ records with 300 curves. Digester and measurement data, including operator ID, timestamps, and test values, can be easily exported, analyzed, and printed for compliance and auditing purposes.
The included 15-slot intelligent digestion device features 3.5-inch touchscreen control, PID temperature regulation, dual safety alarms, and customizable temperature/time profiles. Digestion is precise, fast (12 min to set temperature), and safe, ensuring reproducible and accurate results for COD, total nitrogen, phosphorus, and other analytes.
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.
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.
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.
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.
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
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.
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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