CODG-3000 Online COD Analyzer
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China [CN] 
CODG-3000 type COD automatic industrial online analyzer is developed with completely independent intellectual property rights of COD automatic testing instrument, be able to automatically detect COD of any water for a long time that in unattended condition. |
1. A method based on : the national standard GB11914-89 << Water Quality - Determination of the chemical oxygen demand - dichromate potassium >> |
2. Measuring range :0-1000mg/L, 0-10000mg/L |
3. Accuracy: ≥ 100mg / L, no more than ± 10%; <100mg / L, no more than ± 8mg / L |
4. Repeatability : ≥ 100mg / L, no more than ± 10%; <100mg / L, does not exceed ± 6mg / L |
5. Measurement period : The minimum measurement period of 20 minutes , according to the actual water samples, digestion can be modified at any time in the 5 ~ 120min; |
6. sampling period : time interval (20 ~ 9999min adjustable ) , and the whole point of measurement mode; |
7. Calibration cycle : 1 to 99 days at any arbitrary time interval adjustable; |
8. Maintenance cycle : general once a month, each about 30 min; |
9. Reagent consumption : less than 0.35 RMB / sample |
10. Output : RS-232 ,4-20mA ( optional ); |
11. Environmental requirements : Temperature adjustable interior ,recommended temperature +5 ~ 28 ℃; humidity ≤ 90% ( non-condensing ); |
12. Power supply : AC230 ± 10% V, 50 ± 10% Hz, 5A; |
13. Size: 1500 × width 550 × height depth 450 (mm); |
14. Other : Abnormal alarm and power without losing data； |
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