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Gt5105A Digital Earth Resistance Testser1
Meter for ElectricityDigital Earth Resistance TesterResistance Meter
Shenzhen Bestone Industrial Co. Ltd.
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Product Description This instruments is controlled by intelligent microcontroller chip,with high accuracy and high reliability;it can be used to measure grounding resistance of various power facilities wiring,electrical equipment,lightning protection equipment and other grounding devices, and it can also measure ground voltage.Function:* Backlight an battery detection function* Data holding* "OL"Stands for over range* Double insulation or reinforced insulation safety structure* When measuring ground resistance, if C or E end of test lead is not in good contact,"...Ω"warning appears on LCD* It can be used for precise three-wire measurement or simple two-wire measurement.itemvaluePlace of OriginChina GuangdongModel NumberGT5105AOperating Temperature5-40°CDimensions176mm*77mm*110Ground resistance measurementtester single frequency: about 820HZ, current;20Ω about 3.2mAWorking relative humidity<80%RH (no fog) Altitude<2000 metersStorage temperature-20°C~60°COverload protection Ground resistance200V AC(10 seconds)Overload protection Ground voltage400V AC(30 seconds)Measurement range and measurement error(under condition of 20oC±5oCand≤75%RH)Ground resistance:2000Ω(two wires)/±(2%+5)/1ΩGround voltage200V/±(2%+5)/0.1VApplication standardIEC 61010-1 CAT.3 600V, CAT.1 5000V, IEC 61326-1, IEC 60529 (IP40)test signal frequencyabout 820Hz, current: 20Ω about 3.2mA
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