Spectrum Technologies TDR250 토양 수분 측정기 (±3.0% @ <2 mS/cm)

Power: 4 AA Batteries (included) 

Weight: 3.75 lb (8.27 kg) 

Log Capacity: Up to 124,000 Measurements 

Display: Backlit, High-Contrast, Graphic LCD 

IP Rating: Display: IP53, Probe: IP67 

Connectivity: USB Type A 

Measurement Units: 

% Volumetric Water Content (VWC)

Period (raw sensor reading)

Resolution, Accuracy & Range: 

VWC: 0.1% increment; ±3.0% @ <2 mS/cm; 0% to Saturation (Saturation is typically around 50% volumetric water)

Available Rod Dimensions: 

Turf: 1.5" (3.8 cm)

Short: 3.0" (7.6 cm)

Medium: 4.8" (12.2 cm)

Long: 8.0" (20.32 cm)

Diameter: 0.2" (0.5 cm)

Spacing: 1.25" (3.18 cm)

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