Brand: Erun environmental protection
Name: Portable COD ammonia nitrogen total phosphorus total nitrogen water quality tester
Model number: ERUN-80-4
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen.
The portable multi-parameter water quality detector ERUN-80-4 produced by Erun environmental protection supports multi-parameter determination of COD, ammonia nitrogen, total phosphorus and total nitrogen.The instrument uses cold light source, narrow band interference optical system, stable optical performance, with PID automatic temperature control, timing and other functions, the instrument is convenient and small, simple to operate, suitable for field and field use.
Measurement range: COD: 5 ~ 2000 mg/L
Ammonia nitrogen: 0.02 ~ 25 mg/L
Total phosphorus: 0.00 ~ 10 mg/L
Total nitrogen: 0.05 ~ 100 mg/L
Indicating error: COD：≤±5 %
Ammonia nitrogen: ≤±3%（F.S）
Total phosphorus:≤±5%（F.S）
Total nitrogen:≤±5%
Reproducibility: ≤3%
Anti-chlorine interference: ≤2000mg/L (COD determine)
Wavelength coverage: COD (420nm and 610nm), Ammonia nitrogen (420nm), total phosphorus (700nm), total nitrogen (340nm)
Temperature controlling system: Room temperature ~180℃ can be set, COD digestion temperature is 165℃, total phosphorus digestion is 120℃, and total nitrogen digestion temperature is 125℃.
Temperature control accuracy: ±0.5℃
Temperature control time:1~999min is adjustable
Time of digestion: COD was 15min, and total phosphorus and nitrogen was 30 min
Optical stability: The light absorption value of the instrument is less than 0.002A in 20min
Batch capacity: 4 water samples (or 16 water samples)
Overall dimension: COD tester 80mm 230mm 55mm;Dissolution instrument 105mm×160mm×90mm
Weight: Host: 0.5kg; Digestion instrument: 1kg
Host power consumption: Current is <40 uA; Power consumption of processor: <65W
Service condition: Ambient temperature: 5~40℃; Relative humidity: 85%
Power Supply Voltage: Main machine: built-in lithium battery; Digestion instrument: car cigarette lighter, portable lithium battery or 220V power supply
No significant vibration and electromagnetic interference, to avoid direct sunlight.
The digestion instrument is separated from the tester without affecting the measurement accuracy. Temperature PID automatically controls the temperature and timing.
LCD large screen LCD full Chinese display, convenient and intuitive operation.
High performance ultra-low power consumption 16 bit microCM, and the host is equipped with high capacity rechargeable lithium battery, can be used for up to half a year.
The instrument is convenient and small, convenient to carry the field inspection. A variety of power supply methods, including automobile cigarette lighter, high capacity portable lithium battery and 220V power supply, get rid of the problem of not finding conventional power supply in the field.
The digestion instrument can be selected with portable high capacity lithium battery to meet the large number of water sample determination.
30 standard curves and 199 measured values (including concentration value with time label, light absorption value and light transmittance) curves can be self-calibrated and preserved.
With a USB interface, you can connect to the computer, and you can upload and print out the stored data.
Cold light source, narrow-band interference optical system, with good optical stability.
Data power-off protection function.
The main engine case is made of molded ABS material, with good anti-corrosion, waterproof and dustproof performance.
High-strength suitcase, beautiful, strong, easy to carry.
