VKCR3350 Large Scale Grounding Grid Earth Resistance Online Detector

1. Equip with RS485 interface, the test data can be uploaded to PC or industrial computer to realize remote online monitoring the various groundingparameters.

2. Equip with touch colorful screen, test function and selection are convenient and easy, and it is very convenient to view test results and historical records.

3. "HELP" button view the wiring diagram and operate instruction clear and obvious.

4. The output current is 1A ~ 5A, voltage is 400V, and adopt the automatic frequency conversion technology and software and hardware filtering technology, which make the tester have high anti-interference performance, test data will stable and reliable.

5. With the function of testing current stake and voltage stake, which is used to diagnose the faults of poor connecting lines, voltage and current stake.

6. With self-checking function, equip with 0.5Ω standard resistance, which can self-checking the tester at any time to ensure the accuracy of test results.

7. Supports Bluetooth communication of Android system. After installing the APP, can test or view the test results on the mobile.

Power Supply	AC220V±10％, 50Hz
Display Screen	5 inch touch color screen
Impedance Measurement Range	0.000Ω~2000Ω
Max. Solution	0.001Ω
Measurement Error	±2%rdg±5dgt
Soil Resistivity Measurement Range	0Ωm~125kΩm(Depending on the resistance measurement range and test length)
Soil Resistivity Measurement Accuracy	Depending on the measurement accuracy of R(ρ=2πaR; a:1 m~100m; π=3.14)
Anti-power Frequency Voltage Interference Ability	10V(50Hz)
Test Current Waveform	Sine wave
Test Current Frequency	Choose one or two frequency point between 40Hz and 60Hz
Max. Output Current	5A
Output Current Level	1A, 2A, 3A, 4A, 5A
Max. Output Voltage	400V
Measuring Line Requirement	The cross-sectional area of the copper core of the current line ≥2.0mm2; the cross-sectional area of the copper core of the voltage line ≥1.5mm2
Overall Size	450×296×280mm
Instrument Weight	Host weight: about 26kg, total weight: about 37.6kg (include accessory)
Memory	1000 groups
Communication Function	RS485 interface, data upload function
Bluetooth Communication	Support Android system
Withdraw Voltage	AC 3700V/rms(Between the circuit and the housing)
Working Temperature & Humidity	-10℃~40℃; below 80%RH
Storage Temperature & Humidity	-20℃~60℃; below 70%RH