Specifications
| Measurement parameters | COD, ammonia nitrogen |
| COD Measurement range | 0-15000Mg/L (segment) |
| COD anti-chlorine interference | 1000mg/L |
| Lower limit of COD detection | 5mg/L |
| COD digestion environment | 165℃，15min |
| Ammonia nitrogen range | 0~50Mg/L (segmented) |
| Ammonia nitrogen detection lower limit | 0.01mg/L |
| Ammonia nitrogen digestion environment | No need to digest |
| COD measurement error | ≤± 5％ |
| Repeatability | ≤±5% |
| Optical inspection Stability | ≤ +/- 0.001A/20min (100,000 hours life) |
| Colorimetric method | Digestion Colorimetric Tube |
| batch Volume | 6 pcs, 16 pcs, 25 pcs (optional) |
| Data storage | 4000条记录、96条曲线（支持用户自定义标定） |
| Transmission method | USB data cable, LAN, Bluetooth transmission, etc. (optional) |
| printer | Portable thermal printer (optional) |
| Operating interface | Chinese/English (optional) |
| Power Supply | 5V rechargeable battery |
| Power | 0.3W |
| Host size | 240*95*80mm |
| Instrument Weight | Host: 0.5kg; Digestion instrument: 1.37kg |
| Ambient Temperature | 5~40℃ |
| Relative Humidity | ≤ 85% non-condensing |
Packing list
Determination host X1, intelligent digestion instrument X1, digestion shield X1, COD measurement reagent X1, ammonia nitrogen measurement reagent X1, standard solution X1, digestion Colorimetric tube X20, 25mm Colorimetric tube X2, pipette gun X2, Colorimetric tube rack X1, Colorimetric tube cleaning cloth X1, host power adapter X1, USB data cable X1, simple operation flowchart X1, instruction manual X1, certificate/warranty card X1
After-sales instructions
Warranty days: 1095 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[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/40418/Specification.html , which is only used by users who purchase commodities from the NBCHAO.