Microcomputer, touch keyboard, LCD liquid crystal display with backlight, using new micro-processing technology and high-reliability integrated circuits.
It has the functions of data nonlinear processing and data smoothing, fast automatic multi-point correction, and self-diagnosis information prompt.
It has the function of custom curve calibration, and pre-stores high-precision full mathematical simulation working curves to ensure the accuracy of direct-reading concentration values.
Reliable positioning structure and special high-intensity and long-life light source require no maintenance, ensuring that the instrument can work stably for a long time.
| Product number | Measurement parameters | Measuring range |
| SZ8111 | carbon dioxide | 0~5.0mg/L |
| SZ8112 | copper | 0~2.0mg/L |
| SZ8113 | Nitrite | 0~0.3mg/L |
| SZ8115 | Ammonia nitrogen | 0~10mg/L |
| SZ8116 | iron | 0~0.8mg/L |
| SZ8117 | dissolved oxygen | 0~12mg/L |
| SZ8118 | nickel | 0~2mg/L |
| SZ8119 | manganese | 0~0.5mg/L |
| SZ8120 | Hexavalent chromium | 0~0.5mg/L |
| SZ8121 | Chlorine | 0~10mg/L |