Item Type: Soil Resistivity Tester
Material: ABS
Model: ETCR3100C
Function: 2, 3 and 4 wires to measure grounding resistance, soil resistivity; grounding voltage, AC voltage measurement
Working Voltage: DC7.4V 2600mAh x1 Rechargeable lithium battery, the battery is fully charged about 8.4V (built-in battery)
Adapter: US Standard AC100-240V
Range:
1. Grounding Resistance: 0.00 - 30.00kΩ
2. Soil Resistivity: 0.00Ωm - 9000kΩm
3. Grounding Voltage: 0V - 600V
Measurement Method: Precise 4-wire, 3-wire method measurement, simple 2-wire measurement of ground resistance
Measurement:
Grounding Resistance: Rated current pole changing method, measuring current 20mA Maximum
Soil Resistivity: Quadrupole Method (Winner Method)
Voltage To Ground: Average Value Rectification (Between P(S)-ES Interface)
Test Frequency: 128Hz/111Hz/105Hz/9Hz (AFC)
Short Circuit Test Current: AC 20mA Maximum
Open Circuit Test Voltage: AC 40V Maximum
Test Voltage Waves: Sine Waves
Electrode Spacing Range: 1m-100m can be set
Shift:
1. Grounding Resistance: 0.009-30.00kΩ Automatic Gear Shift
2. Soil Resistivity: 0.00Ωm-9000kΩm Automatic Gear Shift
Backlight: Controllable white screen backlight, suitable for dim places
Display Mode: 4-Digit Large LCD Display, White Screen Backlight
Measurement Indication: LED flashes during measurement, LCD countdown, progress bar graph indication
Measure Time:
1. Voltage to ground: about 3 times/sec.
2. Grounding resistance, soil resistivity: about 5 seconds/time
Measurement Times: More than 5000 times (short-circuit test, test once, stop for 30 seconds and then test)
Line Voltage: Measurement below AC600V
Communication Interface: With USB interface, software monitoring, stored data can be uploaded to the computer, saved and printed
Data Storage: 300 groups, "MEM" storage indication, display "PULL" sign to indicate that the storage is full
Data Retention: "HOLD" sign indicates when data is retained
Data Access: "READ" sign indicates when accessing data
Overflow Display: "OL" sign indication when over-range overflow
Interference Test: Automatic identification of interference , the "NOISE" sign indicates when the interference voltage is higher than 5V
Auxiliary Grounding Test: With auxiliary grounding resistance test function, 0.00KΩ-30kΩ (100R+rC<50kΩ, 100R+rP<50kΩ
Alarm Function: When the measured value exceeds the alarm setting value, "beep one beep one beep one" alarm prompt
Automatic Shutdown: 10 minutes after startup, automatic shutdown
Battery Voltage Prompt, Overload : Support
Working Temperature and Humidity: -10℃-40℃; below 80%RH
Storage Temperature and Humidity: -20℃-60℃; below 70%RH
Level: IP65
Insulation Resistance: 20MΩ or more (500V between the circuit and the case)
Withstand Voltage: AC 3700V/rms (between circuit and housing)

How to Use:
Open the top cover, the user can select the measurement range, make a rotation selection, connect the measurement line, and then measure, there is a power line control to the product screen, and the adapter can be connected to . With a USB interface, data can be imported into the computer. The product has operation, scan the manual to download, debug the parameters, and then use it. The operation is simple and practical, and it is more comprehensive than the ground resistance tester on the market.