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Soil Moisture, Temperature & EC Sensor
This sensor measures soil moisture (0–100%), conductivity (0–20000 µS/cm), and temperature (-40–80 °C) with RS485 Modbus output; accuracy is ±2% (0–50%) and ±3% (50–100%) for moisture, ±3% (0–10000 µS/cm) and ±5% (10000–20000 µS/cm) for conductivity, and ±0.5 °C at 25 °C. Typical uses: soil moisture monitoring, water-saving irrigation, greenhouses, precision agriculture.
- Soil Moisture Accuracy
- 0–50% ±2%, 50–100% ±3%
- Soil Moisture Range
- 0–100%
- Output Signal
- RS485 (Modbus protocol)
- Operating Temperature
- -40 °C–+60 °C
- 3-in-1 measurement: soil moisture, electrical conductivity, and temperature.
- Specially treated alloy electrode resists impact and damage.
- Fully sealed and corrosion-resistant for long-term soil or water burial.
- High precision, fast response, good interchangeability.
- Probe insertion design ensures accurate measurement.
- Built-in conductivity temperature compensation from 0 to 50 °C.
Specifications
TR01 technical data
| Parameter | Value |
|---|---|
| Soil Moisture Range | 0–100% |
| Soil Moisture Accuracy | 0–50% ±2%, 50–100% ±3% |
| Conductivity Range | 0–20000 µS/cm |
| Conductivity Accuracy | 0–10000 µS/cm ±3%, 10000–20000 µS/cm ±5% |
| Soil Temperature Range | -40–80 °C |
| Soil Temperature Accuracy | ±0.5 °C (25 °C) |
| Resolution | Moisture 0.1%, conductivity 10 µS/cm, temperature 0.1 °C |
| Output Signal | RS485 (Modbus protocol) |
| Power Supply | DC 4.5–30 V |
| Protection Class | IP68 |
| Operating Temperature | -40 °C–+60 °C |
| Dimensions | 45×15×123 mm |
Applications
Where the TR01 is used
Ordering
Terms & how ordering works
- MOQ
- 1 pc (flexible, no minimum for most products)
- Lead time
- 2-3 days for in-stock items, 15-30 days for custom orders
- Warranty
- 12-month warranty on all products
- Shipping
- FOB Ningbo / CIF available
- 01
Send Requirements
Medium, range, output and quantity.
- 02
Quote in 12h
Matched model, price and lead time.
- 03
Pre-shipment Check
Every unit inspected against spec.
- 04
Ship FOB / CIF
Export documents handled for you.
Request a Quote
TR01 Soil Moisture, Temperature & EC Sensor
Sales engineer replies within 12 hours
Or WhatsApp +86-15958288207
TR01 questions
What ranges are available for the TR01?
What is the MOQ and lead time?
Can the TR01 be customized?
Do you manufacture this transmitter?
Need the right soil moisture, temperature & ec sensor for your process?
Send the medium, range, output, and quantity. We will confirm the matching option and a FOB Ningbo quote.




