Specifications
| Concentration range | 1×10~(-2)～5×10-5mol/L |
| pH Measurement range | ＜4 |
| membrane resistance | Ω 300Ω or below 25Ω (25 ℃) |
| reaction time | 1×10-2～1×10-4mol/L，＜4min（25℃） 1～5×10×10-4-5 mol/L，＜7 min（25℃） |
| main interference | NO2, SO2, HAC, formaldehyde, etc |
Packing list
complete-built unit X1, manual X1, certificate of conformity X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. The warranty period of the whole machine is 1 year;
2. After-sales service is provided by the original factory;
3. Free maintenance during the warranty period (except for improper use), and long-term technical support outside the warranty period.
[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/20955/Specification.html , which is only used by users who purchase commodities from the NBCHAO.