| pHCO3 value | (2.00~4.40)pHCO3 |
| HCO3 concentration value | 2mg/L~0.6g/L |
| mV range | -1800~1800mV |
| Resolution | 0.01 p HCO3 |
| Electronic unit intrinsic error | ± 0.02pHCO3 ± 1 word |
| Instrument intrinsic error | ±0.05pHCO3 |
| Calculation Error of Conversion of pHCO3 Value~ [HCO3] Concentration Value | ± 0.3% (reading) |
| Instrument Repeatability Error | Not more than ± 0.03pHCO3 ± 1 word |
| Temperature compensation range of tested solution | (5.0~ 50.0)℃ |
| Electronic unit stability | ±0.1pHCO3/3h |
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.