
Soil Sensor
SS204-03
土壤湿度传感器
产品亮点
● High accuracy, fast response and good interchangeability.
● Special alloy electrodes resist external impact and corrosion.
● Fully sealed construction can be buried in soil or placed directly in water.
● Standard and low-power supply variants support field deployment.
● RS485 and analog output options are defined in the source selection table.
● Special alloy electrodes resist external impact and corrosion.
● Fully sealed construction can be buried in soil or placed directly in water.
● Standard and low-power supply variants support field deployment.
● RS485 and analog output options are defined in the source selection table.
产品概述
• Measures soil volumetric moisture, soil temperature and electrical conductivity.
• Low-power wake/sleep operation supports battery, adapter or solar-powered field deployments.
• Fully sealed insertion probe supports long-term dynamic monitoring in soil or water.
| Item | Specification |
| Moisture Measurement Range | 0–100% volumetric moisture |
| Moisture Resolution | 0.1% |
| Moisture Accuracy | ±2% from 0–50%; ±3% from 50–100% (brown soil, specified moisture and 25 °C) |
| Electrical Conductivity Range | 0–20,000 μS/cm |
| Electrical Conductivity Resolution | 10 μS/cm |
| Electrical Conductivity Accuracy | ±3% FS from 0–10,000 μS/cm; ±5% FS from 10,000–20,000 μS/cm (brown soil, 60%, 25 °C) |
| Soil Temperature Measurement Range | −40 to +80 °C |
| Soil Temperature Resolution | 0.1 °C |
| Soil Temperature Accuracy | ±0.5 °C (@25 °C) |
| Operating Temperature | −40 to +60 °C |
| Core Chip Temperature Rating | 85 °C |
| Power Supply | DC 4.5–30 V (standard); DC 3.6–30 V (low-power) |
| Power Consumption | Standard RS485: 0.7 W @24 V DC; current output: 0.4 W @12 V DC; voltage output: 0.3 W @12 V DC |
| Low-power Current | Sleep: 21 μA; operating: 20 mA; average: 55 μA (1-minute sampling period) |
| EC Temperature Compensation | Built-in temperature compensation sensor; compensation range 0–50 °C |
| Protection Level | IP68 |
| Probe Material | Special corrosion-resistant electrodes |
| Sealing Material | Black flame-retardant epoxy resin |
| Default Cable Length | 2 m; customizable as required |
| Dimensions | 45 × 15 × 123 mm |
| Output Signal | RS485 (Modbus protocol); 4–20 mA; 0–5 V / 0–10 V |









