Specifications
| Measurement parameter | COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, suspended solids |
| measurement error | ≤± 5％ |
| Sexual repeability | ≤±5% |
| Optical inspection stability | ≤ +/- 0.001A/20min (100,000 hours life) |
| data storage | 30,000 records (including item, date, time, sample ID, etc.) |
| Linear dispersion quantity | 96 Linear dispersion (expandable) |
| printer | Built-in thermal printer |
| Display | 5-Inch high-definition color LCD screen |
| batch Volume | 16/25 water samples/batch |
| Colorimetric method | Digestion Colorimetric tube |
| sample compatibility | 16 mm (round), 25mm (round) |
| communication interface | USB cable, LAN, etc |
| exception notification | Blank comparison prompt, over-range prompt, etc |
| operation interface | Membrane push-button operation, Chinese/English (optional) |
| Power Supply | AC(220V±10%)，50Hz |
| power | 5W |
| protection class | IP30 |
| Environment humidity | ≤ 85% non-condensing |
| Environment temperature | 5~40℃ |
| Dimensions | 348*250*145mm |
| instrument Weight | Main unit less than 2.6kg |
| COD detection method | Method 1: HJ/T399-2007 standard; Method 2: Import detection method |
| COD Measurement Range | 0-20000mg/L；0-20000mg/L |
| Lower limit of COD detection | 3 mg/L；2 mg/L |
| COD digestion environment | 165℃，15min；165℃，20min |
| COD anti-chlorine interference | 1000 mg/L (expandable); 1000 mg/L (expandable) |
| Ammonia nitrogen detection method | HJ535-2009 "Water quality, determination of ammonia nitrogen, Nessler reagent Spectrophotometric method, spec-trophotometry" |
| Ammonia nitrogen Measurement Range | 0-50 mg/L |
| Ammonia nitrogen detection lower limit | 0.01mg/L |
| Ammonia nitrogen digestion environment | No need to digest |
| Total phosphorus detection method | GB11893-89 |
| Total phosphorus Measurement Range | 0~20mg/L |
| Total phosphorus detection limit | 0.01mg/L |
| Total Phosphorus Digestion | 125℃，30min |
| Turbidity detection method | Spectrophotometric method,spec-trophotometry |
| Turbidity Measurement Range | 0~1000NTU |
| Lower limit of turbidity detection | 0.5NTU |
| Turbidity digestion environment | No need to digest |
| Suspension detection method | Direct Colorimetry |
| Suspension Measurement Range | 0~500mg/L |
| Lower limit of suspended solids detection | 2mg/L |
| Suspension digestion environment | No need to digest |
| TN detection method | Persulfate oxidation |
| TN Measurement Range | 0~250mg/L |
| TN detection lower limit | 0.5 mg/L |
| TN digestion environment | 125℃，30min |
Packing list
Determination host X1, digestion instrument X1, digestion shield X1, determination reagent X1, standard solution X1, digestion Colorimetric tube X1 set, Colorimetric tube rack X1, Colorimetric tube cleaning cloth X1, host power adapter X1, USB data cable X1, simple operation flow chart X1, instruction manual X1, certificate of conformity/warranty card X1
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/50418/Specification.html , which is only used by users who purchase commodities from the NBCHAO.