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M.C. Miller, Soil Box

M.C. Miller, Soil Box
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For Use With
  • Any model of MCM. multi-combination meter
  • Nilsson Model 400 or 400A soil resistance meter
  • Megger
  • Ammeter and voltmeter or milliammeter and Millivoltmeter with external battery
 

Construction

  • Made of Plexiglas
  • Rounded corners for easy cleaning
  • Current plates are made of stainless steel
  • Potential pins made of brass and easily removed.

Dimensions, W x L x D

Cat. # 37008 - Large
Cat. #  37006 - Small
1.50" x 8.75" x 1.25"
1.16" x 4.39" x .94"
3.937 x 22.23 x 3.190 cm
2.946 x 11.15 x 2.3876 cm

 

The dimensions of the box have been chosen so that the measured resistivity,- when the box is filled level, can be expressed in ohm-centimeter, which is universally accepted terminology. When used with any MCM multi-combination meter (or separate volt and ammeter) and an external battery, the resistivity of the sample can be calculated as follows:

Resistivity = (change in potential between pins or delta V) / (change in current or delta I)