Specifications
| PNO3 value | （0.00～6.00）pNO3 |
| NO3 concentration | 0.19μg/L～19g/L |
| mV range | -1800~1800mV |
| resolution | 0.01 pNO3 |
| Electronic unit intrinsic error | ± 0.02pNO3 ± 1 word |
| Instrument intrinsic error | ±0.05pNO3 |
| Calculation Error of Conversion of pNO3 Value~ [NO3] Concentration Value | ± 0.3% (reading) |
| Instrument Repeatability Error | Not more than 0.03PCL ± 1 word |
| Temperature compensation range of tested solution | （5.0～ 50.0）℃ |
| Electronic unit stability | ± 0.02pCl / 3H |
| Environment temperature | 5～40℃ |
| Working Relative Humidity | Not more than 80% |
| Power | AC 220V ± 22V; frequency 50 ± 1 Hz |
| Dimensions | 230*190*80mm |
| Weight | 1.5kg |
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/20949/Specification.html , which is only used by users who purchase commodities from the NBCHAO.