2/14/2023 0 Comments Nilsson 400 manual![]() A / L = 1 cmSoil Box Example: M.C.Miller Factory Tap Water Measured Resistance= 1.97 kΩResistivity Value= 1.97 kΩ x 1cm= 1,970 Ω.cmHence, MCM Water Conductivity = 507 µS/cm. Cross-sectional area = 3 cm x 2.4 cm = 7.2 cm². The two interior pins are in use): The soil boxes are designed such that the cross-sectional area of the soil (or liquid) sample (A), with the box filled level, divided by the separation between the pins (L) is equal to 1 cm. Nilsson Model 400 Manual Nilsson 400 Soil Resistance Meter Stainless steel current distribution plates and removable brass pins (potential measurement pins)Critical Dimensions (for 4-electrode method, i.e. Plexiglas body with rounded corners for easy cleaning. Please see the following link for details. Our Small Soil Box, which has a 80 ml (80 cm³) volume is compatible with 4-Terminal Resistance Meters such as the, the and the Nilsson 400 Resistance Meters.Miller Soil Boxes can be used to satisfy either the 4-electrode method (ASTM G57 Standard) or the 2-electrode methods (ASTM G187 or AASHTO T-288 Standards).For the 2-electrode method, the two interior pins are removed which changes the multiplication factor from 1 cm (for the 4-electrode method) to either 0.67 cm for the small box or to 0.57 cm for the large box. ![]()
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