Multi-parameter Soil Sensor SM

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Soil Temperature and Humidity Sensor SM

With high precision and sensitivity, it quickly and accurately measures the moisture content in the soil. Its metal casing provides high compressive strength and excellent sealing performance, ensuring stable and reliable operation in various environments. –Application areas– Greenhouses, Plant Factories, Agricultural Facilities, Grasslands and Pastures, Soil Moisture Testing, and Plant Cultivation.

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Feature of Product

High-Precision MeasurementWith high sensitivity and accuracy, it ensures precise soil pH measurement and delivers reliable, accurate data

Durable ConstructionMetal housing ensures strong pressure resistance and excellent sealing for harsh environments

Fast & StableProvides quick and stable readings, unaffected by fertilizers or metal ions in soil

Long-Term ReliabilityDesigned for continuous operation under various soil conditions with consistent performance

Optional Code & Specifications

SM Code 1 Code 2

Code 1	Signal	Code 2	Connector
485	RS-485	N	2.5 meters bare wire
		C	2.5 meters+ Quick Connector
		Value	Wire length (Bare wire)
		Value C	Wire length+ Quick Connector

Code 1	Signal	Code 2	Connector
485	RS-485	N	2.5 meters bare wire
		C	2.5 meters+ Quick Connector
		Value	Wire length (Bare wire)
		Value C	Wire length+ Quick Connector

Power	DC7~30V
Power	Power Consumption : 250mW
Sensor	Items	Temperature	Humidity	Electrical Conductiviy	Salinity
	Measuring Range	-40~80 °C	Volumetric Water Content : 0~60% Gravimetric Water Content : 0~100%	0~20000 μS/cm	10000mg/L
	Accuracy	±0.5 °C	Volumetric Water Content : 0~35%: ±3% 35~60%: ±5%	±5%	±5%
	Accuracy	±0.5 °C	Gravimetric Water Content: 0~25%: ±3% 25~100%: ±5%	±5%	±5%
	Resolution	0.1 °C	0.1%	1 μS/cm	1 mg/L
Communication	RS485 Modbus RTU
Working Environment	Temp : -40°C~80°C
Working Environment	Humidity : ≦100%RH
Physical Conditions	Weight	200g
	International Protection Marking	IP68
	Probe Material	316 Stainless steel

Power	DC7~30V
Power	Power Consumption : 250mW
Sensor	Items	Temperature	Humidity	Electrical Conductivity	Salinity
	Measurement Range	-40~80 °C	Volumetric Water Content: 0~60% Gravimetric Water Content: 0~100%	0~20000 μS/cm	10000mg/L
	Accuracy	±0.5 °C	Volumetric Water Content: 0~35%: ±3% 35~60%: ±5%	±5%	±5%
	Accuracy	±0.5 °C	Gravimetric Water Content: 0~25%: ±3% 25~100%: ±5%	±5%	±5%
	Resolution	0.1 °C	0.1%	1 μS/cm	1 mg/L
Communication	RS485 Modbus RTU
Working Environment	Temp : -40°C~80°C
Working Environment	Humidity : ≦100%RH
Physical Conditions	Weight	200g
	International Protection Marking	IP68
	Probe Material	316 Stainless steel