The Smart COD, Ammonia Nitrogen, and Total Phosphorus Analyzer is designed and manufactured in accordance with the “Rapid Digestion Spectrophotometric Method (HJ/T 399-2007)” standard, primarily for measuring the concentrations of COD, ammonia nitrogen, and total phosphorus in water. This instrument features intelligent data analysis capabilities, displaying results in charts and tables for clear and intuitive analysis; High-definition color LCD touchscreen display, Android smart operating system, Chinese display interface, Chinese and English keyboards, user-friendly operation, making it easier to use.
The COD, ammonia nitrogen, and total phosphorus analyzer can be widely applied in various industries (industrial wastewater, municipal sewage, domestic sewage, and surface water in river basins) for wastewater testing, catering to the diverse needs of different users. It is suitable for monitoring industrial wastewater from sectors such as chemicals, petroleum, coking, papermaking, metallurgy, brewing, and pharmaceuticals, as well as various types of domestic sewage.
Features the latest Android 7.1.1 smart operating system with a user-friendly Chinese interface, offering faster performance and enhanced stability.
10.1-inch LCD touchscreen display with a user-friendly Chinese interface, providing intuitive and simple readings.
Features a precision colorimetric cell design with consistent light sources, eliminating measurement errors caused by light source variations and ensuring more accurate results.
Uses imported ultra-high-brightness LEDs for light sources, with automatic brightness adjustment and calibration.
Supports various colorimetric methods, including 10mm, 30mm, and 50mm cuvette colorimetry, as well as φ16mm tube colorimetry, offering diverse options to ensure measurement accuracy.
Features wireless communication functionality, supporting Wi-Fi, RJ45, and mobile hotspot network connectivity. Detection data can also be exported via a USB drive.
Multi-functional sample management allows samples to be named in both Chinese and English, facilitating sample record-keeping and data storage.
The instrument can store up to 8 million sets of data. For convenient retrieval of large datasets, data can be searched by time and analyzed as needed.
The instrument is equipped with a regulatory cloud platform, enabling data upload via local area networks and the internet, as well as integration with environmental regulatory department platforms.
Built-in thermal line printer, with customizable print content (including QR code printing).
Operates on 220V AC power and can be optionally equipped with a 6Ah high-capacity rechargeable lithium-ion battery for convenient outdoor mobile testing.
Includes built-in instructional demonstration videos, allowing users to watch the instrument's operational videos while conducting experiments, making it easier to get started.
The instrument's firmware can be upgraded in the future.
COD | Testing Method | Rapid Chemical Oxygen Demand (COD) Testing Method for Water Quality |
Reference Standard | HJ/T399-2007 | |
Testing Range | 0-15,000 mg/L (Segmented) | |
Detection Limit | 3 mg/L | |
Ammonia Nitrogen | Test Method | Water Quality Determination of Ammonia Nitrogen - Nessler's Reagent Spectrophotometric Method / Water Quality Determination of Ammonia Nitrogen - Salicylic Acid Spectrophotometric Method |
Reference Standard | HJ535-2009/HJ536-2009 | |
Detection Range | 0.2–200 mg/L (segmented)/ 0.025–25 mg/L (segmented) | |
Total Phosphorus | Test Method | Determination of Total Phosphorus in Water Ammonium Molybdate Spectrophotometric Method |
Reference Standard | GB11893-89 | |
Detection Range | 0-30 mg/L (segmented) | |
Detection Limit | 0.02 mg/L | |
Indicated Value Error | ≤±5% | |
Instrument Stability | <0.5% | |
Instrument repeatability | <0.5% | |
Photochemical stability | Value drift within 20 minutes ≤0.002A (100,000-hour lifespan) | |
Operating system | Android 7.1.1 smart operating system | |
User interface | Chinese/English (factory-selectable) | |
Display | 10.1-inch high-definition color LCD touchscreen | |
Network Interface | USB 2.0, WiFi, Bluetooth, Hotspot, RJ45 | |
Cloud Platform | The instrument is equipped with a regulatory platform, connecting to wired/ wireless networks, with test results directly transmitted to the environmental safety monitoring platform | |
Printer | Thermal line printer | |
Data Storage | 8 million sets, freely accessible for viewing | |
Data Export Format | Excel spreadsheet | |
Dimensions and weight | 444 x 303 x 173 mm, 5.2 kg | |
Operating environment | Ambient temperature: (5–40)°C , relative humidity <85% (no condensation) | |
Power supply | AC 220V ±10%/50Hz, rated power 20W |