Product Overview
The RS485 Soil Moisture & Temperature Sensor (S-Soil MT-02A) is a high-reliability, high-stability sensor designed for long-term environmental monitoring. It integrates both soil moisture and soil temperature sensing capabilities into a single unit, utilizing the MODBUS-RTU RS485 protocol for universal compatibility. With a wide power supply range and IP68 rating, this sensor is robust, anti-corrosion, and built to withstand demanding applications. Its design ensures stable measurement of soil volumetric water content (VWC) by measuring the dielectric constant, conforming to international standards and making it suitable for various agricultural and environmental monitoring scenarios.
Product Attributes
- Brand: Seeed Technology Co., Ltd.
- Model: S-Soil MT-02A
- Interface: RS-485
- Protocol: MODBUS-RTU RS485
- Material (Sealing): Flame-retardant epoxy resin
- Material (Probe): Food grade stainless steel
- Certifications: IP68 rated
- Protection: Reverse voltage protection
- Origin: China (implied by address)
Technical Specifications
| Parameter | Value |
|---|---|
| Power Supply | 3.6 ~ 30V DC |
| Current Consumption | Max 40mA@24V DC |
| Operating Temperature | -40 to +85 |
| Storage Temperature | -40 to +85 |
| Response Time | Less than 1 second |
| Measuring Area | Cylinder area (diameter: 7cm, height: 7cm) with probe as center |
| Cable Length | 5 meters |
| Installation | All buried or probe into all of the measured medium |
| Device Weight | 270g |
| Soil Temperature Range | -40 to +80 |
| Soil Temperature Accuracy | 0.5 |
| Soil Temperature Resolution | 0.1 |
| Soil Moisture Range | From completely dry to fully saturated (0% to 100% of saturation) |
| Soil Moisture Accuracy | 3% (0~53%), 5% (53~100%) |
| Soil Moisture Resolution | 1 % |
2411121014_Seeed-314990620_C17337090.pdf
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