| measurement error | ≤± 5% |
| Repeatability | ≤±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 dispersions (expandable) |
| printer | Built-in thermal printer |
| Display | 5-Inch high-definition color LCD |
| 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, overrange prompt, etc |
| Operating interface | Membrane push-button operation, Chinese/English (optional) |
| Power Supply | AC(220V±10%),50Hz |
| Power | 5W |
| Protection level | IP30 |
| Relative Humidity | ≤ 85% non-condensing |
| Ambient Temperature | 5~40℃ |
| Host size | 348*250*145mm |
| Instrument Weight | Main unit less than 2.6kg |
| Total chromium detection method | GB7466-87 |
| Measurement range of total chromium | 0~5mg/L |
| Total chromium detection lower limit | 0.01mg/L |
| Total chromium digestion environment | 125℃,30min |
| Hexavalent chromium detection method | GB7467-87 |
| Measurement range of hexavalent chromium | 0~5mg/L |
| Lower limit of hexavalent chromium detection | 0.01mg/L |
| Hexavalent chromium digestion environment | No need to digest |
| Copper detection method | Diacetaldehyde oxalyl dihydrazone |
| Measurement range | 0~50mg/L |
| Lower limit of copper detection | 0.01mg/L |
| Copper digestion environment | No need to digest |
| Nickel detection method | GB11910-89 |
| Measurement range | 0~4mg/L |
| Lower limit of nickel detection | 0.01mg/L |
| Nickel digestion environment | No need to digest |
| Zinc detection method | Xylenol Orange Spectrophotometry |
| Measurement range | 0~15mg/L |
| Zinc detection lower limit | 0.01 mg/L |
| Zinc digestion environment | 无需消解 |
| Iron detection method | HJ/T345-2007 |
| Measurement range | 0~50 mg/L |
| Lower limit of iron detection | 0.01mg/L |
| Iron digestion environment | No need to digest |
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;