Handheld Total Nitrogen Analyzer

1. Product Overview:

Holder Electronics HD-STN Handheld Total Nitrogen Analyzer is designed and developed based on the National Environmental HJ 636-2012 "Water Quality - Determination of Total Nitrogen - Alkaline Potassium Persulfate Digestion UV Spectrophotometry" standard, which can quickly determine the total nitrogen concentration index in water. The instrument is equipped with a high-definition color LCD touch screen, Android smart operating system, Chinese display interface, Chinese and English keyboards, humanized operation, and easier to use; with a 6-hole smart digestion instrument, it can achieve outdoor rapid detection.

2. Patents, copyrights and qualifications:

Patents and copyrights: "A test chamber converter for water quality detectors-publication (announcement) number: CN215004959U", "Water quality detector-publication (announcement) number: CN306885159S", "Portable digestion instrument-publication (announcement) number: CN307253768S", "Handheld water quality monitoring system-registration number: 2022SR0076571";

Related qualifications: high-tech enterprises, quality management system certification (ISO9000), environmental management system certification (ISO14001), occupational health and safety management system certification (ISO45001), registered trademarks, calibration reports of the Institute of Metrology, etc.

3. Application industries:

Handheld total nitrogen analyzers are widely used in emergency monitoring, industrial wastewater, domestic sewage, sewage treatment, pharmaceutical chemicals, food, beverages, textile printing and dyeing, electroplating, papermaking, petroleum metallurgy, river management, scientific research units, colleges and universities, etc.

4. Instrument features:

① Android intelligent system, easier and faster operation;

② Equipped with cloud monitoring platform, the test results can be directly transmitted to the platform wirelessly for long-term and short-term water quality analysis and auxiliary management.

③ Built-in operation process, simple operation, no training required, direct start;

④ Faster detection speed, on-site data reading;

⑥ Portable, small size, light weight, convenient for outdoor detection;

⑦ Small and beautiful appearance, stable operation and maintenance-free, with good cost performance;

⑧ Adopting imported cold light source, stable optical performance, life up to 100,000 hours;

⑨ AC and DC dual-use, built-in rechargeable lithium battery, environmentally friendly and durable, can support continuous indoor and outdoor work.

5. Technical indicators of the detector:

Test items: total nitrogen;

Measurement standard: HJ 636-2012;

Measurement range: 0.5-30mg/L; 2-200mg/L;

Wavelength range: 420nm, 470nm, 520nm, 560nm, 620nm, 700nm;

Wavelength selection: automatic;

Repeatability: <0.5%;

Stability: <0.5%;

Sample compatibility 16mm (round), 22mm (round);

Colorimetric method: digestion colorimetric integrated tube;

Operating system: Android smart operating system;

Display screen: 3.5-inch color LCD touch screen;

Sensitive Degree (absorbance): 0.001;

Use environment: 0~50℃, 0~90% relative humidity;

Data storage: more than 80,000 records;

Communication: Type-C, WIFI, Bluetooth;

Printer: optional portable Bluetooth printer;

Battery: 5600mAh lithium battery;

Continuous working time: 8 hours;

Power supply voltage: 5V/DC DC;

Dimensions: 190*77*72mm (length×width×height);

Weight: 325g;

6. Technical indicators of intelligent digestion instrument:

Digestion quantity: 6;

Heating speed: rise to 165℃ within 10min;

Digestion capacity: 0-10ml;

Temperature control mode: intelligent PID temperature control;

Temperature control accuracy : ±0.5℃;

Digestion temperature: room temperature-200℃;

Time setting: 0-999min;

Digestion aperture: Φ16mm/10ml digestion colorimetric tube;

Test tube depth: 55mm;

Screen display: 3.5-inch color capacitive touch screen;

Instrument power consumption: 400W;

Preset digestion mode: COD, total phosphorus, total nitrogen;

Featured functions: one-key digestion, over-temperature protection, beep prompt, custom settings, countdown function;

Dimensions: 245X163X192mm (length × width x height);

Instrument weight: <2.5kg;

Device language: Chinese/English;

Ambient temperature: 5～40℃;

Relative humidity: ≤85% (no condensation);

Power supply: AC (220±22)V; (50±0.5)Hz;

7. Configuration list:

Detector host x1, 6-hole digester x1, colorimetric tube fixture x1, data cable x1, charger x1, total nitrogen pre-made reagent x1 box, 5ml pipette x1, 1ml pipette x1, 5ml gun tip box x1, 1ml gun tip box x1, cooling test tube rack x1, colorimetric bottle x8, colorimetric tube x4, filter paper x1, lens cleaning cloth x2, nitrile gloves x1, portable accessory box x1, manual x1, certificate/warranty card x1, Bluetooth printer x1 (optional).

Product's Website：http://en.huoerd.com/bxszdcdy/1709.html