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Get accurate measurement of Earth Resistance Tester in few steps

Release Time : 2017-02-28  View Count :

The grounding resistance tester uses advanced large and medium-sized integrated circuits,Earth Resistance Tester which is a major breakthrough in traditional measurement methods, Earth Resistance Tester and is widely used in the measurement of grounding resistance in power,Earth Resistance Tester weather, construction, and industrial electrical equipment. When the loop measurement grounding system is adopted,Earth Resistance Tester there is no need to disconnect the grounding offline and auxiliary electrodes,Earth Resistance Tester which is safe, fast and convenient. It can measure ground faults that cannot be measured by traditional methods, and can be applied to occasions that cannot be measured by traditional methods, Earth Resistance Tester because it is the integrated value of the resistance of the ground body and the resistance of the ground lead, Earth Resistance Tester and can measure the resistance of the ground body and the resistance of the ground lead.


Next,Earth Resistance Tester teach you 7 steps to complete its accurate measurement: insert two grounding probes into the ground at a distance of 20 meters and 40 meters from the grounding body along the radiation direction of the grounding body,Earth Resistance Tester with a depth of 400 mm. Place the tester flat near the grounding body and connect the wires. After horizontal placement,Earth Resistance Tester check whether the pointer of the ammeter points to the center line, Earth Resistance Tester otherwise adjust the "zero adjuster" so that the pointer of the ground resistance tester points to the center line. Adjust the "multiplier adjuster" to a larger multiple,Earth Resistance Tester and slowly turn the generator handle and at the same time turn the "measurement dial" so that the reactor pointer points to the center line.


When the pointer of the watt-hour meter is close to the balance,Earth Resistance Tester accelerate the rotation of the rotary handle to make the rotation speed reach 120r/min or more,Earth Resistance Tester and adjust the "gauge dial" so that the pointer points to the center line. If the "measurement dial" reading of the ground resistance tester is too small to accurately read,Earth Resistance Tester it means that the multiple of the multiple scale is too large. At this time,Earth Resistance Tester place the "multiple scale" at a smaller multiple and readjust the "measurement dial" so that the pointer points to the center line and the reading is accurate. Calculate the measurement result,Earth Resistance Tester that is, r ground = multiplication ruler reading × "measurement dial" reading.