Soil Resistivity Tester
Published: 7/21/2017
The RX-I Soil Resistivity Tester measures the resistivity changes during various soil processes using a constant current source and voltage measurement. It is primarily utilized in the research and testing of expansive soil, loess, and cemented clay for engineering applications.
Product Description
The RX-I Soil Resistivity Tester is designed to study soils like expansive soils, loess, and composite clays such as cement soil through systematic laboratory experiments. It tracks resistivity changes during key processes like water absorption and swelling in unsaturated expansive soils, collapse in loess, and strength increase in cement soil. By establishing a resistivity evaluation system, it describes structural changes and relates macroscopic mechanical properties with electrical resistivity indices. This instrument allows for an in-depth analysis of unsaturated soil behavior, aiding in the evaluation of soil's mechanical property indicators.
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Current | DC 0.01-20A continuous adjustable |
| Current Precision | Better than ±0.05% |
| Voltage Measurement Range | 0-199.99 mV |
| Sensitivity | 10 μA |
| Basic Error | ±(0.004% of reading ±0.01% full scale) |
| Input Impedance | ≥0.3% |
| Resistance Measurement Error | ≤0.3% |
| Probe Spacing | 1.59 ± 0.01 mm |
| Probe Diameter | 0.8 mm |
| Mobile Rate | <0.2% |
| Probe Material | Tungsten Carbide (WC) |
| Probe Pressure | 3 ± 1 N per probe |
| Power Supply | AC 220V ±10%, 50/60Hz |
| Power Consumption | 12 W |
| Operating Temperature | 23 ± 2°C |
| Relative Humidity | ≤65% |
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