Description Features In the plant growth and development process, the radiation factor plays an important role Radiation is the energy of plant photosynthesis, The process of photosynthesis influences the formation of production and product quality Play an important role in the development of plants morphology It leaves shape and size as well as from vegetative growth to reproductive growth rate Used for agriculture, forestry, and other research and production departments Spectral response simulation probe photosynthetic function, digital show, portable Compact, with good accuracy and stability Technical Specifications Testing Index Parameter Soil Salinity Range 0 mS / cm to 23 mS / cm Accuracy ± 2% FS Resolution 0.01 mS / cm Soil compaction Range 0 kg / cm² to 89 kg / cm² / (0 kpa to 7922 kpa) / (0 N / cm²) to 890 N / cm²) Accuracy ± 0.5% Resolution 1 Dew point (Temp) Range -40.0 °F to 248.0 °F (-40.0 °C to 120.0 °C) Resolution 0.1 °F (0.1 °C) Accuracy ±0.4 °F (±0.4 °C) Light intensity Range 0 Lux to 200000 Lux, Resolution 1 Lux, Accuracy ± 2% FS Photosynthetically active radiation Range 0 umol / m s to 2700 umol / m s Resolution 1 μmol / m² s Accuracy ± 1 μmol / m² s Wind speed Range Wind speed 0 m / s to 45 m / s Resolution 0.1 m / s Accuracy Wind speed ± (0.5 0.03 xV) m / s Rainfall Range 0 mm / min to 4 mm / min Accuracy ± 0.1 mm Resolution 0.1 mm CO concentration Range 0 PPM to 2000 PPM Accuracy ± (50 PPM measured value x 3%) Resolution 1 PPM Soil temperature Range -58.0 °F to 212.0 °F (-50.0 °C to 100.0 °C) Accuracy ± 0.5 °F (± 0.5 °C) Resolution 0.1 °F (0.1 °C) Soil moisture Range 0% to 100% Resolution 0.1% Accuracy ± 2.5% (indoor) ± 5% (outdoor) pH Range 0 to 14, Accuracy ± 0.5 Total radiation Range 0 w / m² to 2000 w / m² Accuracy ± 1% (daily accumulation) Resolution 5 W/m² Humidity Range 0% to 100% RH Accuracy ± 3% RH Resolution 0.1% RH Dew Point Range -40.0 °F to 248.0 °F (-40.0 °C to 120.0 °C) Accuracy ± 0.4 °F (±0.4 °C) Resolution 0.1 °F (0.1 °C) Temperature Range -40.0 °F to 248.0 °F (-40.0 °C to 120.0 °C) Accuracy ±0.3 °F (±0.3 °C) Resolution 0.1 °F (0.1 °C)
