- Accurate volumetric soil moisture and temperature measurement
- Fast response
- Not influenced by salinity levels
- Suitable for any soil type
- Temperature compensated
- SDI-12 Interface
- Low Power Consumption
- Simple installation
- Advanced soil specific calibration
- Small size
- Rugged design
- Hermetically sealed, casted
- Customizable cable length
TBSMP03 SDI-12 Soil Moisture/Temperature Probe
Soil Moisture
The TBSMP03 is a sensor for monitoring soil moisture levels and soil temperature values in precision farming and environmental monitoring applications. It provides the data required for cost efficient irrigation, crop yield optimisation and protection of natural resources. The TBSMP03 has been designed to work in any type of soil. It has a low current consumption and an SDI-12 interface. It is ideally suited for battery or solar powered remote applications. The TBSMP03 has short measurement time and fast response to any fluctuation in the soil moisture level. It is easy to install and easy to calibrate. The TBSMP03 is a rugged, hermetically sealed design, equipped with a IP67 connector and customizable cable length. Its advanced soil specific calibration capability gives volumetric readings with high absolute accuracy. The TBSMP03 is a direct, compatible replacement for the TBSMP02.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Sensor type | soil moisture and soil temperature probe |
| Measurement principle | volumetric water content (VWC) |
| Soil moisture measurement range | 0–100 % VWC |
| Soil moisture resolution | approx. 0.1 % |
| Soil moisture accuracy | ±3 % (typical, soil dependent) |
| Temperature measurement range | –20°C to +65°C |
| Temperature accuracy | ±0.5°C at 0°C |
| Temperature compensation | yes |
| Salinity influence | minimal, not significantly affected |
| Communication standard | SDI-12 v1.3 |
| Installation | plug and play |
| Supply voltage range | 6–17 V |
| Active current consumption | approx. 28–32 mA |
| Idle current | approx. 35–55 µA |
| Response time | fast response |
| Construction | rugged, hermetically sealed design |
| Operating temperature range | –20°C to +65°C |
| Connector protection | IP67 |
| Application suitability | agriculture, irrigation, environmental monitoring |
| Value proposition | reliable performance with excellent price-performance ratio |
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