Shanghai Jingqi COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Analyzer (Including Digestion Instrument, with Printing, Can be Connected to Computer) WD9401P, Shanghai Jingqi Instrument Co., Ltd. (CAT#: STEM-AI-0936-YJL)

Shanghai Jingqi COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Analyzer (Including Digestion Instrument, with Printing, Can be Connected to Computer) WD9401P, model WD9401P is manufactured by Shanghai Jingqi Instrument Co., Ltd.
The design performance of the rapid water quality analyzer meets the national environmental protection industry standards. It can be widely used in the detection of wastewater in various industries (industrial wastewater, urban sewage, raw sewage and surface water in rivers and lakes).

Curve parameters: 100 measurement curve parameters can be set
Calibration: 1-7 point calibration mode, automatic calibration curve value
Clock: built-in real-time clock, the monthly cumulative error of the real-time clock is less than 10 seconds
Record storage: 10,000 measurement results can be stored, and the data will not be lost when the power is turned off
Printing: built-in printer, print measurement results at any time
Communication method: RS232, the measurement results can be uploaded to the computer, which is convenient for users to analyze statistically
Display: 240*128 large-screen blue backlight display, Chinese operation interface
Ambient temperature: (5 ~ 40) ℃
Ambient humidity: relative humidity < 85% (non-condensing)
Dimensions: 320*240*110mm
Working power supply: AC220V±10% / 50Hz
Weight: 3KG
COD high range
Determination method: rapid catalytic method (chromium method)
Measuring range: 5 mg/L～10000 mg/L
Measurement error: ≤±5%
Digestion temperature: 165 ± 1°C; Digestion time: 15 minutes
Anti-chlorine interference: [CL-] <4000mg/ L
COD low range: fast catalytic method (chromium method)
Measuring range: 5 mg/L～150 mg/L
Measurement error: ≤±5%
Digestion temperature: 165 ± 1°C
Digestion time: 15 minutes; anti-chlorine interference: [CL-] <4000mg/ L
Ammonia nitrogen
Determination method: Nessler colorimetric method
Measuring range: 0.01mg/L～50mg/L
Measurement error: ≤±5%
Total Phosphorus
Determination method: Ammonium molybdate spectrophotometry
Measuring range: 0.01mg/L～24mg/L
Measurement error: ≤±5%
Digestion temperature: 120 ± 1°C
Digestion time: 30 minutes
total nitrogen
Determination method: persulfate digestion colorimetric method
Measuring range: 0～100 mg/L
Measurement error: ≤±5%
Digestion temperature: 125± 1°C
Digestion time: 30 minutes

Large-screen LCD backlight display, pure Chinese operation interface, humanized program design.
The measurement range is wide, and the range can be switched automatically according to the actual situation of the water sample.
Large-capacity data storage, power-off protection design ensures that the instrument is not damaged and data records are not 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.
It can be widely used in the monitoring of surface water and pollution sources.
Using a unique 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 the measurement data, and the built-in printer can automatically print the measurement data.
The reagent consumption is small, the operation cost is low, and the anti-interference ability is strong.
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