Specifications
| PNA value | 09PNA |
| Na + concentration | 0.23 nm g/L~23 g/L |
| mV range | -1800~1800mV |
| resolution | 0.01 PNA |
| Electronic unit intrinsic error | ± 0.02pNa ± 1 word |
| Instrument intrinsic error | ± 0.05PNA |
| Instrument Repeatability Error | Not more than 0.03pNa ± 1 word |
| Temperature compensation range test scheme | 5～50℃ |
| Environment temperature | 5～40℃ |
| Working Relative Humidity | Not more than 80% |
| Power | AC 220V ± 22V; frequency 50 ± 1 Hz |
| Weight | 1.5KG |
Packing list
DWS-51 sodium ion concentration meter X1, 7101 composite sodium electrode X1, power cord X1, electrode holder X1, manual X1, certificate 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/20946/Specification.html , which is only used by users who purchase commodities from the NBCHAO.