Digital oscilloscope
mixed signal oscilloscope (288 pages)
Summary of Contents for YOKOGAWA EY200
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User’s Model EY200 Manual ディジタル接地抵抗計 Digital Earth Tester 保証書付 この取扱説明書は,いつでも使用できるよう大切に 保管してください。 reference. Store this manual in a safe place for future IM EY200-JA: Japanese IM EY200-EN: English 5th Edition: Feb. 2018 (KYOU)
EY200. Read them along with this manual. IM EY200-EN This manual IM CROHS-EY200 Document for China IM EY200-93Z2 Document for Korea Contact information of Yokogawa offices worldwide is provided on the following sheet. PIM 113-01Z2 Inquiries (List of worldwide contacts)
This manual is an essential part of the product; keep it a safe place for future reference. YOKOGAWA is by no means liable for any damage resulting from use of the instrument in contradiction to these cautionary notes. Indicates a hazard that may result in the loss...
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Measurement Category # WARNING The instrument is designed for measurement category III. Do not use the instrument for measurements in locations falling that fall under measurement category IV. Measurement Description Remarks category Circuits not O t h e r c i r c u i t s t h a t a r e n o t connected to a (None, Other) directly connect to MEAINS.
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Do not use this instrument for other purpose. • Do not use the instrument if there is a problem with its physical appearance. • Use the test leads supplied by YOKOGAWA with this instrument. • Make sure that the range selector switch is set to a desired position before making measurement.
• When the instrument is wet, make sure to let it dry before putting it in storage. 2. Features Model EY200 is an earth resistance tester for testing power distribution lines, in-house wiring system, electrical appliances etc. It also has an earth voltage range for earth voltage measurement.
3. Specifications Measuring Range and Accuracy (at 23±5℃ , RH 75% or less) Range Measuring Range Accuracy Earth voltage ~V * 0 to 199.9 V ±(1.0% rdg +4 dgt) 20Ω 0 to 19.99 Ω ±(2.0% rdg +0.1Ω) ( 0 to 19.99Ω ) Earth 200Ω...
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Maximum Operating Error Operating error (B) is an error obtained within the rated operating conditions, and calculated with the intrinsic error (A), which is an error of the instrument used, and the error (Ei) due to variations. B = ±(|A|+ 1.15 A : Intrinsic error : Variation due to changing the position : Variation due to changing the supply voltage...
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1 set (Red 20m, Yellow 10m, Green 5m) Auxiliary Earth Spikes 98070 2P Test Leads 98075 1 set (Red, Black/Green) Soft Case 93041 Shoulder Strap (for EY200) 99018 User’ s Manual (Japanese/English) Batteries R6P *Name Plate in English (Part No.L4058EA)
5. Preparation for Measurement 5-1 Battery Voltage Check Turn on (set ~V position) the instrument. If the display is clear without low battery symbol showing, battery voltage is sufficient. If the display blanks or is low battery symbol indicated, replace the batteries according to section 7 for Battery Replacement.
electrode), and finding out the potential difference V between E and P (potential electrode). Rx = V / I 6-2 Precise Measurement (Using Test Leads) <1> Test probe connection Stick the auxiliary earth spikes P and C into the ground deeply.
<2> Earth Voltage Measurement (Series interference voltage): ~V Set the range switch to Earth voltage (~V) position in the condition of <1>. Earth voltage will be indicated on the display. Make sure that the voltage is 3V or less. ...
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<1> Wiring Make connection as shown in the following figure. <Note> • When the 2P Test Leads are not used, short P and C terminals. # WARNING • Please be sure to use a voltage detector to check a common earth of commercial power supply.
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<2> Earth Voltage Measurement (Series interference voltage): ~V Set the range switch to Earth voltage (~V) position in the condition of <1>. Earth voltage will be indicated on the display. Make sure that the voltage is 3V or less. ...
7. Battery Replacement # WARNING • Never attempt to open the battery compartment cover, if the outer surface of the instrument is wet. • Never attempt to replace batteries while making measurement. To avoid shock hazard, turn the instrument off and disconnect the test leads and the probes from the instrument before opening the battery compartment cover.
8. Notes on Housing Case & Accessories 8-1 Case Lid Case lid can be fit under the housing case while making measurement. 8-2 How to Fit Strap Belt The instrument is equipped with a Shoulder strap to suspend from the neck to allow both hands to be used freely for easy and safe operation.
9. Before Sending for Service / Calibration cycle If the instrument does not operate normally, please contact nearby Yokogawa sales office. Before returning the instrument follow the trouble-shooting guide shown below. If the instrument does not turn on; Check whether batteries are missing or they are installed incorrect polarity.
With reference to the equipment types in the WEEE directive, this product is classified as a “Monitoring and Control instruments” product. When disposing products in the EU, contact your local Yokogawa Europe B.V. office. Do not dispose in domestic household waste.
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Authorized Representative in the EEA Yokogawa Europe B.V. is the authorized representative of Yokogawa Test & Measurement Corporation for this product in the EEA. (EEA: European Economic Area) To contact Yokogawa Europe B.V., see the separate list of worldwide contacts, PIM 113-01Z2.
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