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Domestic online COD analyzer - COD detector and environmental comparison networking
Technical parameters and methods of COD online analyzer are based on the national standard GB11914-89 "Water Quality - Determination of Chemical Oxyge
Product details
- Method basis: National standard GB11914-89 "Water Quality - Determination of Chemical Oxygen Demand - Potassium Dichromate".
- Measurement range: 0-6000 mg/L COD.
- Accuracy: When ≥ 100mg/L, not exceeding ± 10%; When it is less than 100mg/L, it should not exceed ± 8mg/L.
- Repeatability: When ≥ 100mg/L, not exceeding ± 10%; When it is less than 100mg/L, it should not exceed ± 6mg/L.
- Measurement cycle: The small measurement cycle is 20 minutes, and according to the actual water sample, the digestion time can be arbitrarily modified within 5-120 minutes.
- Sampling period: time interval (adjustable from 20 to 9999 minutes) and whole point measurement mode.
- Calibration cycle: 1 to 99 days, adjustable at any interval and time.
- Maintenance cycle: usually once a month, about 30 minutes each time.
- Reagent consumption:Less than 0.35 yuan per sample.
- Output: RS-232, 4-20mA (optional).
- Environmental requirements: Indoor with adjustable temperature, recommended temperature range of+5-28 ℃; Humidity ≤ 90% (non condensing).
- Power supply: AC230 ± 10% V, 50 ± 10% Hz, 5A.
- Dimensions: Height 1500 x Width 550 x Depth 450 (mm).
- Other: Abnormal alarms and power outages will not result in data loss;
After abnormal reset and power failure, the instrument will automatically discharge residual reactants and restore working status.
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