◀◀ Product Parameters ▶▶
Essential Sensors for Substrate Environment Monitoring
Substrate cultivation hinges on maintaining water-air-nutrient balance, requiring monitoring of:
(1) Substrate Related Sensors Parameters
Output Interface | SDI-12, V1.3 |
Power Supply | 3.6-16V/DC |
Power Consumption | Quiescent Current : 30uA Measuring Current : 10mA during 150ms measurement |
Soil Moisture Measurement | Apparent dielectric permittivity (xa: Range:1-81 (air - water) Resolution: 1.00-40.00: ±0.1, 40.00-81.00: ±0.5 Accuracy: 1.00-40.00: ±2%, 40.00-81.00: ±5% Soil Moisture (VWC): Range:0%-100% (air - water) Resolution: derived by the conversion function from epsilon to VWC Accuracy: derived by the conversion function from epsilon to VWC |
EC Measurement | Range: 0-23ds/m Resolution: 0-7ds/m, 0.01ds/m; 7-23ds/m, 0.05ds/m Accuracy: 0-7ds/m, 5%; 7-23ds/m, 15% EC temperature compensation: 0-50°C |
Temperature Measurement | Range: -40~80°C, Resolution: 0.1°C, Accuracy: ±0.5°C |
Measurement Technique | Moisture by FDR and EC by AC excitation |
IP Ratings | IP68 |
Operating Temperature | -40~85°C |
Sensor Rod | Stainless steel |
Sensor Sealed | Epoxy resin |
Installation | Surface or buried installation |
Cable Length | 5 meters or Customize |
Dimension | 88*71*26mm |
(2) Ambient Parameters

| Category | Details |
|---|---|
| Temperature Range | -40°C to 75°C (±0.2°C accuracy) |
| Humidity Range | 0–100% RH (±3% accuracy) |
| CO2 Range | 0–5000ppm (±50ppm +5% accuracy) |
| Illuminance Range | 0–200,000 Lux (indoor: 0–65,535 Lux) |
| Outputs | 4–20mA / 0–10V / RS485 (Modbus-RTU) / RS232 |
| Power Supply | 9–30V DC (12V recommended) |
| Protection Grade | IP65 (dust/waterproof) |
| Probe Options | Built-in (standard, PE, metal) / External (high-temp, threaded) |
| Dimensions | Compact wall-mount design (105mm hole spacing) |
| Communication | Modbus-RTU protocol, 9600 baud rate |
Also support other parameters, please contact sales!


