TDR 150 Soil Moisture Meter and Pins

Portable soil moisture, EC and temperature meter

The Spectrum FieldScout TDR 150 provides rapid in-field readings of volumetric water content (VWC), electrical conductivity (EC) and soil-surface temperature. It is intended for turf, horticulture, irrigation monitoring and other applications where repeatable spot measurements support watering decisions.

This listing

This product listing includes 3-inch (7.6 cm) measurement rods. Confirm that this rod length reaches the root zone you need to assess.

Key specifications

• VWC range: 0% to saturation; 0.1% resolution
• VWC accuracy: ±3% where EC is below 2 mS/cm
• EC range: 0 to 5.5 mS/cm; 0.01 mS/cm resolution
• Temperature range: −30°C to 60°C; 0.1°C resolution
• Internal data logger for approximately 50,000 measurements
• Backlit display, USB data transfer, Bluetooth and GPS

Before measuring

Insert both rods fully and maintain consistent depth and soil contact between readings. Select the appropriate soil mode and use the same method when comparing locations or monitoring change over time.