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YOKOGAWA 3235 Earth Ground Resistance Tester

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15 / 12 / 2019
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Detail YOKOGAWA 3235 Earth Ground Resistance Tester

The Yokogawa 3235 Earth Tester is used as a convenient test set for simple, accurate measurements of earth resistance. Without a hand-driven Generator, this instrument consists of battery-operated silicon-transistorized DC-AC inverter, An AC potentiometer measuring dial, and a galvanometer. Just push the push-button switch and move the dial so that the galvanometer shows balanced conditions. Then the resistance is directly read on the dial scale. A Wide range of earth resistance of 0 to 1k© can be measured by a single measuring Dial without range changeover. The earth voltage can also be measured on the galvanometer scale by positioning the selector switch. Specifications: Measuring Range: Earth Resistance: 0 to 10 to 100 to 1000 © ( Min. Scale Div. 0.1 © ) . Earth Voltage: 0 to 30V Accuracy: Earth Resistance: ± 5% of 2 © ( 0.1 © or min. one div.) in the range of 0 to 2 © ; ± 2.5% of 20 © ( 0.5 © or min. one div.) in the range of 2 to 20 © ; ± 2.5% of 200© ( 5 or min. one div.) in the range of 20 to 200 © ; ± 5% of 1, 000 © ( 50 or min. one div.) in the range of 200 to 1000 © . Earth Voltage: ± 5% of full scale value Measuring Frequency: 500Hz Ambient Temperature Influence: Variation in indication is within one scale division for temperature change by 20 ± 20 C Battery Voltage Influence: Accuracy is maintained within specified limit even if voltage decreases to 4V under operating condition Earth Voltage Influence: Variation in indication is within the corresponding one scale division for the earth voltages of up to 10V at commercial frequency. Insulation Resistance: More than 20M © at 500V DC between terminals and case Dimensions ( Carrying case) : Approx. 122 × 190 × 124mm ( 4.8" x7.4" x4.9" ) , not including handle Weight: Instrument only: Approx. 1.5 kg ( 3.3 lb) . Fully Equipped w/ Accessories: Approx. 3.5 kg ( 7.7 lb) Power Source: Four 1.5V batteries ( JIS SUM-1, ANSI D, Mono 1.5V or equivalent) Includes: Measurement Leads Earth Spike Carrying case Accessory storage Bag
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