Description
Specification
|
Measuring range |
COD: 5～200mg/L ；200～2000mg/L （Measurable after dilution if over-range） |
|
Measuring accuracy |
0.1 mg/L；1mg/L |
|
Indication error |
≤±5 % |
|
Repeatability |
≤±3% |
|
Anti-chlorine interference |
≤2000mg/L |
|
Optical stability |
Absorbance drift ≤0 .002A/20min; Light source lifespan 100,000 hours |
|
Testing standard |
HJ/T 399-2007 |
|
Analytical method |
Closed Vessel Digestion and Colorimetric Method (Tubes) |
|
Processing capacity |
12 samples per run |
|
Temperature control system |
COD digestion temperature: 165℃; Temperature range: room temperature~200℃; Digestion time: 1~9999min；Temperature accuracy：±0.5℃ |
|
Digestion period |
15min |
|
Curve and Storage |
20 factory calibration curves; Can store 500 records. |
|
Dimensions |
Instrument: 190mm×240mm×180mm; Digester: 160mm×240mm×180mm; |
|
Weight |
Instrument：2.75kg Digester：5kg |
|
Working environment |
(1) Ambient temperature: 5~40℃ ⑵ Relative humidity: ≤85% ⑶ Power supply: AC 220 (165V-240V) (4) No significant vibration and electromagnetic interference, avoid direct sunlight. |
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