Earth Resistance Soil Resistivity Tester 2 / 3 / 4 Wire

Special Features:
<br>
• <b>Function :</b> Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage<br>
• <b>Measurement Range :</b> <br>
  Earth Resistance: 0.00Ω-30.00k Ω<br>
  Soil Resistivity: 0.00Ω-9000k Ω<br>
• <b>Measuring Mode :</b> Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement<br>
• <b>Measuring Method :</b> <br>
  Earth Resistance: rated current change-pole method, measurement current 20mA Max<br>
  Soil Resistivity: 4-pole measurement<br>
  Earth Voltage: average rectification(between P(S)-ES)<br>
• <b>Test Frequency :</b> 128Hz/111Hz/105Hz/94Hz(AFC)<br>
• <b>Short-circuit Test Current :</b> AC 20mA max<br>
• <b>Open-circuit Test Current :</b> AC 40V max<br>
• <b>Test Voltage Wave :</b> Sine wave <br>
• <b>Electrode Distance Range :</b> Can be set 1m-100m <br>
• <b>Shift :</b> <br>
  Earth Resistance: 0.00Ω-30.00kΩ, automatic shift<br>
  Soil Resistivity: 0.00Ω-9000kΩ, automatic shift<br>
• <b>Backlight :</b> Blue screen backlight, suitable for dim places<br>
• <b>Display Mode :</b> 4-digital super-large LCD display, blue screen backlight<br>
• <b>Measuring Indicator :</b> During measurement, LED flash indicator, LCD count down display, progress bar indicator<br>
• <b>LCD Frame Dimension :</b> 128 mm × 75 mm<br>
• <b>LCD Window Dimension :</b> 124 mm × 67 mm<br>
• <b>Standard Test Wire :</b> 4 wires: each for red 20m, black 20m, yellow 10m, and green 10m<br>
• <b>Simple Test Wire :</b> 2 wires: each for red 1.6m and black 1.6m<br>
• <b>Auxiliary Earthing Rod :</b> 4 rods: Φ10mm ×150mm<br>
• <b>Measuring Rate :</b><br>
  Earth voltage: about 3 times/second<br>
  Earth resistance, soil resistivity: about 5 seconds/time<br>
• <b>Line Voltage : </b>below AC 600V<br>