Specifications
| pH Measurement range | -2.00 ~ 20.00pH |
| resolution | 0.1/0.01 pH |
| pH Accuracy | Electric meter: ± 0.01 pH, matching: ± 0.02 pH |
| Stability | ±0.01pH/3h |
| Temperature compensation range | -5.0~105.0℃ |
| Measuring range | 0.00~20.00μS/cm；20.0~200.0μS/cm；200~2000μS/cm； 2.00~20.00mS/cm；20.0~200.0mS/cm |
| resistivity | （ 0 ~ 100 ） MW · cm |
| TDS range | 0~100g/L |
| salinity | （0 ~ 100）ppt |
| resolution | 0.01/0.1/1μS/cm 0.01/0.1mS/cm |
| Conductivity Detector temperature compensation range | (-5.0~105.0) ℃ (automatic/manual) |
| Electrode constant | 0.1 / 1 / 10 cm-1 |
| reference temperature | 25 ℃, 20 ℃ and 18 ℃ |
| Dissolved oxygen Measurement range | （0 ~ 20.00）mg/L(ppm) （0 ~ 200.0）% |
| Dissolved oxygen resolution | 0.1/0.01 mg/L(ppm) 1/0.1 % |
| Accuracy of dissolved oxygen | Electric meter: ± 0.10 mg/L, matching: ± 0.40 mg/L |
| Dissolved oxygen temperature compensation range | (0~100) ℃ (automatic/manual) |
| Salinity compensation range | (0~45) ppt (manual) |
| Air pressure compensation range | (0~200) kPa (manual) |
| data storage | 2000 groups |
| Store content | Number, value, unit, temperature, time |
| Power | 3.7V/1800mA rechargeable lithium battery |
| Dimensions | 190×130×15mm |
| Mass and safety certification | ISO9001 2000,CE和CMC |
| Environment temperature | 5~ 35 ℃ (0.01 grade) |
| Environment humidity | ≤85% |
| Weight | 280g |
| Temperature compensation method | Manual/Automatic |
Packing list
complete-built unit X1, manual X1, certificate of conformity X1, warranty card X1
After-sales instructions
Warranty days: 365 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/39419/Specification.html , which is only used by users who purchase commodities from the NBCHAO.