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Combined with temperature compensation and power-off protection functions
To measure the value of N
low rotational resistance
(-2000~2000mV range)：ORP=ORP output voltage*400-2000；
and then prompt the yellow flashing 20 seconds to save the calibration data
Soil Moisture Temperature Humidity EC PH Salinity NPK 8 in 1 Sensor with HMI Touch Screen Kit 样式:AU power adapter Combined with temperature compensation andSoil Moisture Temperature Humidity EC PH Salinity NPK 8 in 1 Sensor with HMI Touch Screen Kit Features Plug and play testing, Rapid measure soil Temperature, humidity (Moisture), conductivity (EC), PH, Nitrogen (N), Phosphorus (P), Potassium (K), salinity. 4. 3" LCD touch screen easy to operate, display real time value, curve, logs, can set calibration on screen Support 1800 logs, settable interval of logging, can export logs to SD card, come with 1GB
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