Specifications
| Measurement parameters | Total chromium, hexavalent chromium, copper, zinc |
| Measurement range of total chromium | 0~5Mg/L (segmented) |
| Total chromium detection limit | 0.01mg/L |
| Total chromium digestion environment | 125℃，30min |
| 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 records, 96 Linear dispersion (support user-defined calibration) |
| 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 |
| Environmental temperature | 5~40℃ |
| Environmental humidity | ≤ 85% non-condensing |
| Measurement range of hexavalent chromium | 0~5Mg/L (segmented) |
| Lower limit of hexavalent chromium detection | 0.01mg/L |
| Hexavalent chromium digestion environment | No need to digest |
| Measurement range of copper | 0~10Mg/L (segmented) |
| Lower limit of copper detection | 0.05mg/L |
| Copper digestion environment | No need to digest |
| Zinc range | 0~15Mg/L (segmented) |
| Zinc detection limit | 0.05 mg/L |
| Zinc digestion environment | No need to digest |
Packing list
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/40424/Specification.html , which is only used by users who purchase commodities from the NBCHAO.