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RS485 Modbus
JXBS-3001-TR-RS Soil Temperature Moisture Sensor User Manual
Function
Cable Color
Specs
Power
Brown
Power
Black
Power supply -
Communication
Yellow (grey)
485-A
Blue
485-B
We provide default cable length of 1.5 meters, you can extend the cable yourself
according to your needs.
2.3 Speed measurement method
Select a suitable measurement site, avoid the stones, ensure that the steel needle
does not hit a hard object, throw the topsoil at the required depth of measurement,
keep the underlying soil tight, grip the sensor vertically into the soil, insert It is not
allowed to shake right and left. It is recommended to measure multiple times within a
small range of a measurement point to obtain the average value.
2.4 Buried method
Dig a pit with a diameter of >20 cm vertically and insert the sensor steel needle
horizontally into the pit wall at a given depth. After the pit is buried tightly and stable
for a period of time, measurement and recording can be performed for days, months,
or even longer.
2.5 Precautions
1. Steel needle must be fully inserted into the soil.
2. Avoid direct sunlight on the sensor and cause excessive temperature. Use caution
in the field against lightning strikes.
3. Do not violently bend the steel needle, do not force pull the sensor leads, do not
beat or violently hit the sensor.
4. The sensor protection grade IP68, the sensor can be soaked in water.
5. Due to the presence of radio frequency electromagnetic radiation in the air, it
should not be in a state of power in the air for a long time.