Shanghai Jingqi Touch Screen COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Analyzer (Including Digestion Instrument, with Printing, Can be Connected to Computer) WD9401C, Shanghai Jingqi Instrument Co., Ltd. (CAT#: STEM-AI-0932-YJL)

Shanghai Jingqi Touch Screen COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Analyzer (Including Digestion Instrument, with Printing, Can be Connected to Computer) WD9401C, model WD9401C is manufactured by Shanghai Jingqi Instrument Co., Ltd.
The touch-screen multi-parameter water quality measuring instrument adopts touch-control design, full Chinese operation interface, guided system operation, and the exquisite overall design improves the user's operating experience. Digestion colorimetric integrated tube design, pre-stored dozens of index parameter curves such as COD, ammonia nitrogen, total phosphorus, total nitrogen, etc., make the whole detection process simple and convenient, and easier for novices to operate. This product adopts a modular program design, and can purchase single-index or multi-index detection index modules according to user needs, and users can add new measurement indicators to the machine at any time according to measurement needs during later use.

Measurement indicators: COD, ammonia nitrogen, total phosphorus, total nitrogen, etc. (free combination according to user needs);
Display mode: color LCD touch screen, Chinese operation interface;
Colorimetric method: colorimetric tube (digestion colorimetric integrated tube)
Number of curves: 100 measurement curve parameters can be set;
Calibration mode: 1-7 point calibration mode, automatic calibration curve value;
Record storage: 30,000 measurement results can be stored, and the data will never be lost when the power is off;
Printing: comes with a thermal printer;
Data communication: RS232+USB interface, the measurement results can be uploaded to the computer, which is convenient for users to analyze;
Ambient temperature: (5 ~ 40) ℃; Ambient humidity: relative humidity < 85% (non-condensing);
Dimensions: 300*220*120mm;
Working power supply: AC220V±10% / 50Hz;
Weight: 2.8kg;
the Host
1. Measuring range: (over dilution determination)
COD: 5 ~ 10000mg/L (>1000mg/L when segmented or diluted)
Ammonia nitrogen: 0～50mg/L
Total phosphorus: 0.01～24mg/L
Total nitrogen: 0～100 mg/L (determination in sections when >20 mg/L)
2. Indication error: COD: ≤±5 % Ammonia nitrogen: ≤±3% or the maximum of 0.2 Total phosphorus: ≤±5% or the maximum of 0.2 Total nitrogen: ≤±5%
3. Repeatability: ≤3%
4. Optical stability: the absorbance value of the instrument drifts less than 0.002A within 20 minutes
5. Anti-chlorine interference: ≤2000mg/L (COD determination)
6. Power consumption<10W
Digester
1. Display mode: color touch screen display
2. Pre-stored programs: COD, total phosphorus, total nitrogen, total chromium and other digestion programs, and has two custom programs
3. Number of digestion samples: 15, single temperature zone
4. Temperature control: 45°C ~ 200°C (users can set it freely)
5. Digestion time: 0 minutes ~ 999 minutes (users can set it freely); Timing accuracy: 0.2 seconds/hour
6. Temperature indication error: ±1°C; temperature field balance: ≤1°C
7. Ambient temperature: -5~45℃; Ambient humidity: ≤85RH
8. Power supply voltage: AC220V±10%/50Hz; maximum power consumption: 600W
9. Dimensions. Weight: 295*220*125mm, 6kg

Color touch screen design, friendly man-machine dialogue interface, easy operation, direct concentration reading.
The integrated digestion and colorimetric tube is used to make the determination process of water samples simple, fast and safe, and the measurement results are accurate.
Large-capacity data storage, power-off protection design ensures that the instrument will not be damaged and data records will never be lost.
1-point to 7-point calibration mode, automatic calculation of slope, intercept and correlation coefficient, high measurement accuracy.
Intelligent fault self-diagnosis design makes instrument management and maintenance easy and convenient.
Strong anti-interference ability, suitable for industrial sites.
Using semiconductor cold light source emitter, the life of the light source can reach tens of thousands of hours.
It can be connected to a computer to export measurement data, and it has its own printer, which can print measurement data and historical records.
The reagent consumption is small, the operation cost is low, and the anti-interference ability is strong.
The measurement range is wide and the measurement indicators are diverse, and the measurement indicators can be freely combined according to user needs.
Standard measurement curves are pre-stored, and measurements can be retrieved at will. At the same time, measurement curves can be built by themselves.

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