• Ground Resistance, Loop Resistance Measurement, Range: 0.010~1200Ω, Clamp: 65mmx32mm When measuring the looped grounding system, it is not need to disconnect the ground deflector and no need auxiliary electrode. Just clamp the meter and clamp it directly on the ground lead. The value displayed by the clamp meter is the grounding body resistance and the integrated value of the ground lead resistance, this measurement method can quickly and safely obtain the measurement results.
  • Ground Resistance, Loop Resistance Measurement, Range: 0.010~1200Ω, Clamp: Φ32mm When measuring the looped grounding system, it is not need to disconnect the ground deflector and no need auxiliary electrode. Just clamp the meter and clamp it directly on the ground lead. The value displayed by the clamp meter is the grounding body resistance and the integrated value of the ground lead resistance, this measurement method can quickly and safely obtain the measurement results.
  • Online monitoring grounding system grounding resistance, the maximum range: 0.010Ω ~ 200Ω. The detector has an explosion-proof function and adopts non-contact measurement technology. The ground lead wire directly passes through the perforation of the detector without affecting the lightning protection grounding effect and the normal operation of the facility. The display can always observe the value of the grounding resistance and set the critical value of the alarm. When the value of the grounding resistance is greater than the set threshold, the red warning light will flash, accompanied by the alarm sound of “dropping”. The structure of the detector is tight and sturdy, rainproof and dustproof, and can be installed outdoors.
  • Online monitoring grounding system grounding resistance, equipotential bonding resistance and grounding voltage, resistance range: 0.01Ω ~ 2000Ω, voltage range: AC 0 ~ 600V. The detector adopts the precision three-wire method or the simple two-wire method to test the grounding resistance, and uses the average value rectifier method to test the grounding voltage, on-line detection and real-time monitoring. Users can choose RS232 or RS485 communication, and can carry on the secondary development, set up the network according to the MODBUS communication agreement offered, realize the long-range multi-point online monitoring and so on.
  • Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement. Ground Resistance:0.00Ω~30.00kΩ(Automatic shift) Soil resistivity:0.00Ωm~9000kΩm(Automatic shift) Ground Voltage:AC 0~600V. Through FFT (Fast Fourier Transform) technology and AFC (Automatic Frequency Control) technology, it has unique anti-jamming capability and environmental adaptability, and the repeated testing is consistently strong, ensuring the measurement accuracy, stability, and reliability.
  • The ground resistance (range: 0.01Ω to 30.00kΩ) ,soil resistivity (0.01Ωm~9000kΩm), grounding voltage (Range: 0.1V~100.0V), grounding line leakage current, AC current (range: 0.01mA~600A); can be measured by various methods (Precise 4-pole measurement, 3-pole measurement, simple 2-pole method, selection method, and double-clamp method to measure the grounding resistance). Large-diameter current clamp design, which can measure the grounding system using a large grounding conductor.
  • ETCR3300 Large-Scale Grounding Grid Earth Resistance Tester adopts super automatic frequency conversion anti-interference technology, and with high power output of 400V and 5A, which can accurately measure the data from 50Hz power frequency in a strong interference environment.It is suitable for testing the power-frequency grounding impedance, grounding resistance, auxiliary machine and other power-frequency characteristic parameters of various grounding devices, measuring the conducting impedance or resistance between grounding devices, and measuring soil resistivity. The instrument is manufactured in accordance with "jjg984-2004 resistance tester for grounding conduction verification regulation", "DL/ t475-2006 guide for measuring characteristic parameters of grounding device", and "DL/ t845.2-2004 general technical conditions of resistance measuring device part ii: power frequency grounding resistance tester"
  • 0.75 square, core Φ wire diameter 3.5 mm Banana plug + test lead + ground clip Four colors: red, yellow, green and black Line length and color can be customized according to user requirements