Two Three Four Wire Soil Resistivity Earth Resistance Tester With USB Interface

Description: Two Three Four Wire Soil Resistivity Earth Resistance Tester With USB Interface Introduction: Soil resistivity grounding resistance tester (multifunctional type) is the test measurement of grounding resistance commonly used instruments commonly used instruments, he used a large LCD gray and white screen backlit display and microprocessor technology, through the microprocessor-controlled 2-wire, 3-wire, 4-wire French grounding resistance test and soil resistivity test. Technical Specifications： Technical DataEnvironmental temperature and humidity 23℃±5℃, below 75%rhPower source DC 6V 4.5Ah lead-acid battery continuous standby 100 hours Interference Voltage <20V (should be avoided) Disturbance current<2A (should be avoided)Electrode spacing for R measurement a＞5dElectrode spacing for ρ measurement a＞20hAuxiliary grounding resistance value Base condition＜100Ω, working condition＜5kΩ Range Ground resistance: 0.00Ω～30.00kΩ Soil resistivity: 0.00Ωm～9999kΩmGrounding voltage: 0.00V～100.0VMeasurement mode Precision 4-wire, 3-wire method measurement, simple 2-wire measurement of grounding resistanceMeasurement Methods Ground Resistance: Rated Current Variable Pole MethodSoil resistivity: quadrupole methodGround Voltage: Mean Rectification (between S-ES interfaces)Test Frequency 128Hz Short circuit test current> 20mA (sine wave)Open Circuit Test Voltage AC 28V maxElectrode spacing range 1m to 100m can be setChange gear Ground resistance: 0.00Ω～30.00kΩ automatic gear shiftSoil resistivity: 0.00Ωm～9999kΩm automatic gear changeDisplay mode Large 4-digit LCD display with off-white backlighting Measurement indicatorLED blinking during measurementLCD Dimension 111mm×68mmLCD display field 108mm×65mmInstrument size L*W*H：277.2mm×227.5mm×153mm Standard Test Lines4 strips: 1 each of red 15m, black 15m, yellow 10m, green 10m Simple Test Leads2 strips: 1 red 1.6m, 1 black 1.6m each Auxiliary grounding rods4pcs: φ10mm×200mmMeasuring time Voltage to ground: approx. 3 times/secondGround resistance, soil resistivity: approx. 7 sec/time USB interfaceWith USB interface, software monitoring, stored data can be uploaded to the computer, save printing Lines of communication1 USB communication cable, 1.5m long Data storage500 groups, “MEM” memory indication, display of “FULL” symbol for memory full Data retentionThe “HOLD” symbol indicates when data is held.Data access Indication of the “READ” symbol when checking dataOverflow displayThe “OL” symbol indicates overflow.Interference testingAutomatic identification of interfering signals, the “NOISE” symbol indicates when the interfering voltage is higher than 5V.Auxiliary Ground TestWith auxiliary grounding resistance value test function, 0.00KΩ ~ 30kΩ (Rh max = 3kΩ + 100R <50kΩ; Rs max = 3kΩ + 100R <50kΩ)Alarm functionAlarm indication when the measured value exceeds the alarm set valueBattery VoltageBattery power real-time display, battery voltage is low to remind timely chargingAutomatic shutdown“APO” indication, automatic shutdown after 15 minutes of power-up BacklightingControllable off-white backlighting for dimly lit locationsLine voltage Measurement up to AC 100V (The ground voltage measurement function cannot be used to measure commercial electricity)

Price: 687 USD

Location: hefei, Anhui

End Time: 2024-09-28T00:46:43.000Z

Shipping Cost: 0 USD