
Name | COD/Ammonia Nitrogen/Total Phosphorus/Total Nitrogen Analyzer | ||||||
Instrument model | CNPN-401 | ||||||
Measurement item | COD | Ammonia nitrogen | total phosphorus | total nitrogen | |||
Measuring range | 5~2000mg/L(available to extend 20000mg/L) | 0.02~25mg/L | 0.00~10mg/L | 0~100mg/L | |||
Indication error | ≤±5 %(F.S) | ≤±3%(F.S) | ≤±5%(F.S) | ≤±5%(F.S) | |||
Anti-chlorine interference | ≤2000mg/L | - | - | - | |||
Digestion temperature | 165℃ | - | 120℃ | 125℃ | |||
digestion time | 15min | - | 30min | 30min | |||
Temperature control range | Room temperature~200℃ can be set | ||||||
Temperature control accuracy | ≤±1.0℃ | ||||||
Repeatability | ≤±3% | ||||||
Optical stability | ≤0.002A/20min | ||||||
batch size | 16 water samples (optional 25, 36, 20) | ||||||
Digestor display | Color touch screen, English display | ||||||
Instrument size | Main machine:340mm×250mm×130mm Digestion apparatus:260mm×355mm×135mm(Without protective cover) | ||||||
Instrument weight | Main machine:4kg;Digestion apparatus:5.5kg | ||||||


Packing list: | |||
Item | Quantity | Item | Quantity |
Main machine | 1set | COD reagent | 1 set (can measure 250 water samples) |
DIS-16B Digestion furnace | 1 set | Ammonia nitrogen reagent | 1 set (can measure 250 water samples) |
colorimetric tube | 40 pcs | Total Phosphorus Reagent | 1 set (can measure 100 water samples) |
digestion tube | 10pcs | Total nitrogen reagent | 1 set (can measure 50 water samples) |
Digestion shield | 1 piece | Product certification | 1 piece |
user's manual | 1 piece | Warranty Card | 1 piece |


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