Pasport PS-2163 Скачать руководство пользователя страница 10

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Soil Moisture Sensor

012-10538C

Technical Support

The European Union WEEE (Waste Electronic and Electrical Equipment) symbol

(to the right) and on the product or its packaging indicates that this product must

not be disposed of in a standard waste container.

Содержание PS-2163

Страница 1: ...a soil sample Volumetric water content is the volume of soil water per unit of total volume In simple terms dry soil consists of solid Included Equipment Part Number 1 PASPORT Soil Moisture Sensor PS...

Страница 2: ...e it is important to remember that the soil adjacent to the probe s surface has the strongest influence on the sensor reading Therefore any air gaps or excessive soil compaction around the probe can p...

Страница 3: ...to the probe remain straight or gently curved as shown 3 cm 10 cm water movement The horizontal orientation of the probe makes sure that the soil moisture measurement is made at a particular soil dep...

Страница 4: ...trols Palette to begin collecting data Later select Stop to end data collection Calibration The Soil Moisture Sensor comes pre calibrated for three soil types potting soil mineral soil and rockwool Th...

Страница 5: ...il spread the soil in a thin layer and use a fan to move air over the soil 3 Remove large objects from the soil and break up large clods so the soil can fit through a 5 mm mesh 4 Pack the soil into th...

Страница 6: ...record the coefficient a b and c 3 Create a calculation for VWC based on the slope and the y intercept VWC mx b Let x be the sensor voltage output Sample Calibration Data If the best fit is quadratic...

Страница 7: ...ulic equilibrium with the soil that is being measured The probe measures the dielectric permittivity of the ceramic disk to determine its water potential and thereby the water potential of the soil In...

Страница 8: ...A cracked ceramic will cause a loss of accuracy Setup Hardware Setup The following three steps can be performed in any order 1 Connect the mini DIN plug of the Soil Water Potential Probe cable to the...

Страница 9: ...ientific is prohibited Version 2016 05 03 Trademarks PASCO and PASCO scientific are trademarks or registered trademarks of PASCO scientific in the United States and or in other countries For more info...

Страница 10: ...38C Technical Support 10 The European Union WEEE Waste Electronic and Electrical Equipment symbol to the right and on the product or its packaging indicates that this product must not be disposed of i...