QiWei QW-COD-B Portable COD rapid measuring instrument DATASHEET
| Brand | QiWei | Model | QW-COD-B |
|---|---|---|---|
| From | China | Name | Portable COD rapid measuring instrument |
Specifications
| Determination method | Rapid catalytic method (chromium method) |
| Measurement range | 0~150Mg/L low range 100~1000mg/L high range (> 1000mg/L diluted determination); |
| measurement error | 5~ 100 mg/L, absolute error ≤ +/- 5 mg/L; 100 mg/L~ 1000 mg/L, relative error ≤ +/- 5 |
| Digestion environment | 165 +/- 1 ℃; digestion time: 15 minutes; |
| Measurement time | Measure 9, 12 or 25 water samples simultaneously in 30 minutes; (the number of water samples varies according to different configurations) |
| An indication of temperature error | ＜± 1℃ |
| Uniformity of temperature field | ≤ 2℃ |
| An indication of time error | ≤ ± 2% |
| record storage | 20 measurement results can be stored |
| Environmental temperature | （5~40）℃ |
| Working Relative Humidity | Relative Humidity < 85% (non-condensing) |
| Power Supply | AC220V±10% / 50Hz |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
[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/20968/Specification.html , which is only used by users who purchase commodities from the NBCHAO.
Created on : 2025/12/31