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Yokogawa EY200 Digital Earth Tester
What is an earth-ground tester/ground resistance tester?
EY200 is an earth resistance tester for testing power distribution lines, in-house wiring system, electrical appliances etc. The earth resistance tester by Yokogawa also has an earth voltage range for earth voltage measurement.
EY 200 Digital Earth Meter Features:
- Designed to safety standard IEC 61557
- Reference to IEC 60529: Degrees of protection provided by enclosures (IP54). Measurement can be made even under adverse weather conditions
- Large, easy-to-read LCD digital display
- 2P Test leads (for simplified measurement) has a structure that both the safety alligator clip and the test probe are available
- Warns when earth resistance of auxiliary earth spikes exceeds the permissible limit
- Convenient carrying soft bag for accessories etc.
- 3-Pole Earth Resistance Measurement (Precise Measurement)
Connect the earth/ground electrode (E) and auxiliary spikes (P, C) to the main body using the accessory test lead. Put apart 5 to 10 m between E and P, and P and C, respectively. E, P, and C should be approximately in a line.
Specifications:
| Name | Model |
|---|---|
| Digital Earth Tester | EY200 |
| Display | LCD Digital Display: 1999-count digital reading |
| Measuring Range | Earth Resistance: 2000? LSD: 0.01 to 1? Earth Voltage: 200V |
| Accuracy | Earth Resistance: 20? range: ±2%rdg±0.1? 200 ? range: ±2%rdg±3dgt 2000 ? range: ±2%rdg3dgt Earth Voltage: ±1%rdg±4dgt |
| Measuring Frequency | Approx. 820Hz |
| Measuring Current | Approx. 3mA (at 20? range) |
| Battery Life | Approx. 4.5hours (at 5 second measuring 3300 times) |
| Operating Temp. and Humidity | 0~40°C, 85%Rh or less |
| Dimensions | Approx. 105x158x70mm |
| Weight | Approx. 550g |
| Standard Accessories | 3-pole Test Lead (Model 98074) Earth Spikes (for EY200) (Model 98070) 2-pole Test Lead Set (Model 98075) Soft Case (Model 93041) Shoulder Belt (for EY200) (Model 99018) Six AA (R6) dry cells User’s Manual |
Features:
How to Measure Earthing Voltage
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3-Pole Earth Resistance Value Measurement (Precise Measurement)
Connect the earth/ground electrode (E) and auxiliary spikes (P, C) to the main body using the accessory test lead. Put apart 5 to 10 m between E and P, and P and C, respectively. E, P, and C should be approximately in a line.
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2-Pole Earth Resistance Value Measurement (Simplified Measurement)
A simplified 2-pole measuring method can be used if there is an almost perfectly earth/ground object such as a lead or iron water-pipe (plastic pipes cannot be used) or if there is an object with a known value of earth resistance, near the measurement site.
