RS485 interface LED shows soil pH
Technical Parameters
| Technical parameter | Parameter value |
| PH range | 4~8 |
| PH accuracy | ±1 |
| Communication Interface | RS485 |
| Default baud rate | 9600 8 n 1 |
| Power | DC9~24V 1A |
| Display | LCD |
| Running temperature | -40~80°C |
| Working humidity | 5%RH~90%RH |
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