Dielectric Constant : 1 to 65 where 1 = Air,78 = Distilled Water
+/- 1.5% or +/- 0.2 whichever is typically greater
Soil Moisture : From completely dry to fully saturated
+/- 0.03 water fraction by volume in typical soil
Conductivity : 0-20 dS/m +/- 2.0% or +/- 0.002 dS/m whichever is typically greater
Operating Temperature : In soils:freezing to +65 C ,Temperature range:-10 C to +65 C
Storage Temperature : -40 to +70 C
Water Resistance :Tolerates continuous full immersion
Size :Length – 4.9 inches (12.4 cm) ,Diameter – 1.6 inches (4.2 cm)
Sensing Volume (cylindrical region) : Diameter – 1.2 inches (3.0 cm) ,Length – 2.2 inches (5.7 cm)
Weight : 200 g not including cable (approx.0.08 kg/meter)
Ruggedness/Material
:Vibration and shock resistant withpotted components in PVC housingand stainless steel tines
Data Channel
:Four (4) 0-2.5 or 0-5 volt analog output signals.V1,V2 and V3 are used to determine the capacitive and conductive response,and hencewater content and salinity,of soil.V4 is soil temperature
Cable
:Seven (7) wire color-coded 18 AWGcopper wire,length up to 100 ft.UV resistant,direct burial
Power
: 7 to 30 volts DC,typically 20mA,40mA maximum |