Automatic Soil Resistivity Tester For Use In: Printer

It is specially designed for on-site measurement of grounding resistance and adopts digital and micro processing technology. It has a unique line resistance calibration function, anti-interference ability and environmental adaptability to ensure high accuracy, high stability and reliability of long-term measurement. It is widely used in the measurement of grounding resistance of electric power, telecommunications, meteorology, oil fields, buildings, lightning protection and industrial electrical equipment.

Features:
* 2/ 3/ 4-Wire Digital Earth Resistance
* Designed to meet following safety standards.
IEC 61010-1 (CAT. III 300V, CAT. IV 150V, Pollution degree 2)
IEC 61010-031i Requirements for hand-held Probesi
IEC 61557-1, 5 (Earth Resistance Tester)
* Stable measurement results can be obtained under a noisy environment by introducing the FFT (Fast Fourier Transform) technology.
* Dot-matrix 192x64, Monochrome LCD.
* Backlight function to view the test results in dimly areas.
* Can switch frequencies of measuring signal4-kind of frequencies : 94 / 105 / 111 / 128Hz, are selectable by hand or automatically.
* Rk Function is available to cancel the residual resistance on the Test Leads.
* Battery Check Function
* Can measure Series Interference Voltage/ Frequency Voltage values and frequencies are displayed when Series Interference voltage (AC) exist.
* Auxiliary earth resistances are measured and displayed
* Warnings are displayed on the LCD when auxiliary earth resistances are too high and may result in inaccurate measurements.
* Auto-Power-Off Function.
* The instrument is automatically powered off when 5 min passes without any Key operation.
* Memory Function. Can save 800 measured results.
* Direct measurement of soil grounding rate by quadrupole method
* Grounding resistance test of 6 ranges within the range of 0.001 IC - 200K IC
* After setting the spacing of auxiliary grounding rods, the grounding resistance test results are automatically calculated
* Warning function in case of super interference or high auxiliary grounding resistance
* Automatic mode, the instrument automatically selects the most appropriate frequency