The portable total nitrogen analyzer features a high-strength PVC engineering plastic carry case design with an integrated digestion and detection module. The digestion module includes a dual-temperature zone function, while the detection section supports both 360° rotatable colorimetric test tube detection and colorimetric cell detection. It operates on an Android smart operating system and features an 8-inch high-definition LCD touchscreen. fiber optic detection technology, imported light source, and an internal high-capacity lithium-ion battery. The total nitrogen analyzer boasts stable performance, accurate measurements, a wide measurement range, powerful functionality, and user-friendly operation.
The portable total nitrogen analyzer is suitable for detecting various water quality pollutants in domestic wastewater, industrial wastewater, groundwater, and surface water. It is applied in water quality testing laboratories, municipal utilities, wastewater treatment plants, environmental monitoring stations, educational and research institutions, power plants, disease control centers, papermaking and electroplating industries, aquaculture, biopharmaceuticals, petrochemicals, coal, metallurgy, textiles, food, and other industries for water quality analysis.
Features the Android 7.1.1 smart system for a smoother user experience, faster operation, and enhanced stability.
Equipped with a dual-temperature zone 8-hole digestion instrument, with independent temperature control for the left and right zones, enabling rapid digestion of parameters such as COD, total phosphorus, and total nitrogen.
Dual colorimetric detection system, supporting both pre-filled test tube colorimetry and cuvette colorimetry.
Features WiFi wireless, 4G remote transmission, and RJ45 wired networking capabilities for data upload.
The colorimetric tube detection section uses a 360° precision rotation mechanism, effectively ensuring accuracy and improving stability by 10 times.
Portable all-in-one detection device with a built-in high-capacity lithium battery, enabling outdoor water sample digestion and measurement with a single unit.
Built-in thermal printer supporting automatic and batch printing, with flexible selection and editing of print content, including QR code printing.
Equipped with the Hold Data Cloud Platform, it can receive the instrument's testing data for online data storage and long-term/short-term dynamic analysis.
Users can create their own standard sample curves, providing customizable calibration for coefficient curves and sample curves.
The instrument includes built-in instructional demonstration videos, allowing users to watch the videos while performing experiments, making it easier to get started.
Detection and digestion can be performed simultaneously, significantly improving efficiency.
Detection projects can be customized according to user requirements.
Equipped with factory-prepackaged reagent consumables, eliminating the need for repeated pipetting and preparation of concentrated sulfuric acid. Simply add water quality samples to the test tube for detection.
The instrument features a user-friendly “pin-to-top” function, allowing frequently tested parameters to be pinned to the top of the project list, eliminating the need to search for them each time.
Features GPS positioning functionality, displaying real-time latitude and longitude information and landmark locations of testing sites. Latitude and longitude data is saved alongside test results within the instrument and can also be uploaded to a cloud platform.
Test Item | Total Nitrogen |
Test Method | Determination of Total Nitrogen in Water by Potassium Persulfate Digestion and Ultraviolet Spectrophotometry Method |
Reference Standard | HJ 636-2012 |
Test Range | 0.5-200 mg/L (segmented) |
Colorimetric Method | Pre-made colorimetric test tubes 16 mm; Colorimetric cell 50 mm (inclusive) or smaller |
Operating System | Android smart operating system |
Screen Display | 8-inch high-definition touchscreen, 1024×768 resolution |
Display Error | ≤±5% |
Repeatability | <0.5% |
Stability | <0.5% |
Resolution | 0.001 |
Optical stability | ≤±0.001 Abs/20 minutes (100,000-hour lifespan) |
Automatic calibration | The instrument has automatic calibration functionality |
Printing method | Miniature thermal printer |
Operating video | Demonstration videos for ≥4 operating procedures |
Upload functionality | Wireless data upload to the cloud platform, and can be viewed in real-time on mobile devices and computers |
Battery capacity | Lithium-ion battery 48V 8AH |
Full charge usage time | Using COD as an example, with digestion and detection conducted simultaneously, it can be used continuously for over 6 hours |
Data transmission | USB, RJ45, Wi-Fi |
Digestion capacity | 8 units, with dual-temperature zones for independent control |
Heating speed | Reaches 165°C within 10 minutes |
Digestion temperature | Adjustable from room temperature to 200°C |
Digestion volume | 0-10 ml |
Temperature control mode | Intelligent PID temperature control |
Temperature control accuracy | ±0.5°C |
Pre-set digestion modes | COD, total phosphorus, total nitrogen, permanganate, sulfate, formaldehyde |
Customizable digestion modes | 3 modes |
Data storage | 10 million sets, freely accessible for viewing |
Power supply | DC 48V 2A |
Dimensions and weight | 430mm x 350mm x 200mm, 11 kg |