Humboldt Soil Box Product Manual Download Page 2

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Summary of Contents for Soil Box

Page 1: ...product manual 06 09 H 4386 H 4386SM Soil Box ...

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Page 3: ...illiammeter and Voltmeter ranges measure the potential between the two brass pins with no current applied and again with measured current passed between the end terminals of the soil box Resistivity in Ohm cm Change in Potential mV Curent ma The change in potential is an algebraic difference since initial potential difference may be of opposite polarity to potential obtained when test current is s...

Page 4: ... of a sample of soil or water the box should be filled even with the top with no voids 2 Pin Method To measure the resistance between two pins or anodes connect C1 and P1 and C2 and P2 to the two pins or anodes using separate leads see fig 2 fig 2 Balance and read in the usual way Note that this reading includes the resistance of the two pins or anodes to the soil the soil resistance between them ...

Page 5: ...e the reading 100 feet would be typical for a ground rod 15 to 20 feet deep Connect P2 to a pin 62 of the distance from the object being tested to the C2 pin Balance and read in the usual way fig 3 A Typical Example Single Probe Method To use a single probe connect C1 to P1 and C2 to P2 Make the probe connections to P1 and P2 see fig 4 Drive the probe into the soil to the desired depth Balance and...

Page 6: ...ult in ohm cm 3 Multiplication factor for the H 4386 soil box is 1 4 When used with the H 4385A Soil Resistance Meter no calculations are necessary because the multiplication factor is 1 ohm cm Therefore the resistivity value of the sample can be read directly off the meter dial Refer to the instruction sheet included with each meter for additional information ...

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Page 8: ...r parts of such product for the warranty of this product please refer to Humboldt Mfg Co catalog on Terms and Conditions of Sale The purchaser is responsible for the transportation charges Humboldt Mfg Co shall not be responsible under this warranty if the goods have been improperly maintained installed operated or the goods have been altered or modified so as to adversely affect the operation use...

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