MT05RA, MT05RB Soil Moisture, EC, Temperature Sensor, RS485 Interface

Time:2026/01/28 View:11 Category:Products Category:Soil Moisture Category:Soil Moisture & Temperature Category:Soil Moisture & Temperature & EC Category:Soil Science

　　MT05R Soil Moisture, Temperature, and Electrical Conductivity (EC) sensor is an accurate tool for monitoring volumetric water content (VWC), temperature in soil and soilless substrates, and electrical conductivity. It sealed with resin packaged plastic body with sensing rods which can be insert directly into the soil or substrate with long time stability.　The sensor is applicable for science research, irrigation, greenhouse, smart agriculture etc.

Resources
User Manual	MT05RA,MT05RB Soil Moisture, EC, Temperature Sensor User Manual (RS485 Interface)
Software(RS485 Interface)	SensorOneSet-EN

Features

■ Integrated with Moisture, EC and Temperature measurement

■ Digital sensor communicates over RS485 serial interface

■ Modbus-RTU communications protocols

■ Low-input voltage requirements for power supply

■ Low-power design supports battery-operated data loggers

■ Low salinity sensitivity

■ Robust epoxy encapsulation resists corrosive environments

■ High accuracy with excellent stability

■ Reverse power protection and Built-in TVS/ESD protection

Applications

■ Smart Agriculture, Hydroponic and Horticulture

■ Greenhouse monitoring

■ Soil/Substrate water balance

■ Irrigation management

■ Solute/fertilizer movement

Specification
Output Interface	RS485, Modbus-RTU
Power Supply	3.0-28V DC
Power Consumption	Quiescent Current (typical) : <300 uA Measuring Current (typical): <10 mA during 100ms measurement
Substrate Moisture Measurement	Volumetric Water Content (VWC): Range:0-100% (air – water) Resolution: 0%-50%: 0.1%, 50%-100%: 0.5% Accuracy: 0%-50%: ±3%, 50%-100%: ±5% Apparent dielectric permittivity: Range:1-81 (air – water) Resolution: 1.00-40.00: ±0.1, 40.00-81.00: ±0.5 Accuracy: 1.00-40.00: ±1, 40.00-81.00: ±3
Substrate EC Measurement	Range: 0-20ds/m; Resolution: 0-5ds/m, 0.01ds/m; 5-20ds/m, 0.1ds/m Accuracy: 0-5ds/m, ±5%; 5-20ds/m, ±10% Temperature compensation: 0-50°C
Substrate Temperature Measurement	Range: -40-80°C Resolution:0.1°C Accuracy: 0-50°C: ±0.5°C; -40-80°C: ±1.0°C
IP Ratings	IP68
Operating Temperature	-40-80°C
Cable Length	2 meters or Customize
Dimension	201195mm