YOKOGAWA 701933 User Manual
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YOKOGAWA 701933 User Manual

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User's
Manual
701933
Current Probe
IM 701933-01E
8th Edition

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Summary of Contents for YOKOGAWA 701933

  • Page 1 User’s Manual 701933 Current Probe IM 701933-01E 8th Edition...
  • Page 2 Contact Us If you want to resolve a technical support issue or need to contact YOKOGAWA, please fill out the inquiry form on our website. https://tmi.yokogawa.com/contact/ PIM 103-06E...

  • Page 3: List Of Manuals

    Thank you for purchasing the 701933 Current Probe. This user’s manual contains useful information about the functions and operating procedures of the 701933 Current Probe as well as precautions that should be observed during use. To ensure proper use of the instrument, please read this manual thoroughly before beginning operation.

  • Page 4: Checking The Contents Of The Package

    If the instrument is used in a manner not specified in this manual, the protection provided by the instrument may be impaired. YOKOGAWA assumes no liability for the customer’s failure to comply with these requirements. In addition, before using the probe, read the manuals of the measuring instrument to thoroughly familiarize yourself with its specifications and operation.
  • Page 5 • Connectez l’alimentation à la borne d’alimentation de la sonde (option) d’un instrument de mesure de forme d’onde tel que la série Yokogawa DL/DLM, ou utilisez l’alimentation 701934 ou 700938. • Faites attention aux chocs électriques lors de la connexion de la sonde à...
  • Page 6 • Before using the instrument, inspect and check the operation for malfunctions due to storage or transport conditions. If a malfunction is found, contact your dealer or YOKOGAWA representative. • The instrument is not dustproof or waterproof. Do not use it in a dusty or wet environment.
  • Page 7 En cas de dysfonctionnement, contactez votre revendeur ou représentant YOKOGAWA. • Cet instrument n’est pas étanche à la poussière ou à l’eau. Ne l’utilisez pas dans un environnement poussiéreux ou humide.
  • Page 8 • Accurate measurements may not be possible if operated within close proximity to strong magnetic fields such as those produced by transformers, circuits with large currents, and wireless devices. • Depending on the current frequency that is measured, oscillation may occur, but this has no effect on measurements. IM 701933-01E...

  • Page 9: Regulations And Sales In Various Countries And Regions

    This product complies with the WEEE marking requirement. This marking indicates that you must not discard this electrical/electronic product in domestic household waste. When disposing of products in the EEA or UK, contact your local Yokogawa office in the EEA or UK respectively. * EEA: European Economic Area Authorized Representative in the EEA (AR) Yokogawa Europe B.V.

  • Page 10: Conventions Used In This Manual

    Attire l’attention sur des gestes ou des conditions susceptibles de provoquer des blessures légères ou d’endommager l’instrument ou les données de l’utilisateur, et sur les précautions de sécurité susceptibles de prévenir de tels accidents. Note Provides important information for the proper operation of the instrument. IM 701933-01E...

  • Page 11: Table Of Contents

    Names of Parts .......................10 Description of Parts ......................11 Operating Procedure .......................12 Handling Precautions ...................12 Preparing for Measurement .................13 Demagnetization and Zero Adjustment ..............14 Performing Measurement ..................15 Specifications ........................17 Product Specifications ..................17 Compliant Standards ...................18 Malfunction? First, Investigate..................19 IM 701933-01E...

  • Page 12: Product Overview

    Product Overview This probe can be directly connected to a BNC input connector of a waveform measuring instruments such as YOKOGAWA DL/DLM series. The probe can be used to easily observe current waveforms by simply positioning the clamp around the conductor under measurement.

  • Page 13: Description Of Parts

    • To adjust the coarse adjustment trimmer, use a non-metallic flat-blade screwdriver whose thickness is 0.4 mm, width is 1.8 mm, and length is 10 mm or longer. • Do not press or turn the coarse adjustment trimmer by force using a screwdriver. Doing so may damage the component. IM 701933-01E...

  • Page 14: Operating Procedure

    • Connect the power supply to the probe power terminal (option) of a waveform measuring instrument such as Yokogawa DL/DLM series, or use the power supply 701934 or 700938. • Be careful of electric shock when connecting the probe to the device under measurement.

  • Page 15: Preparing For Measurement

    Preparing for Measurement CAUTION When using a 701933 current probe, it may not be possible to use multiple active probes at the same time with the 701934, 700938 power supply, or the probe power supply from a YOKOGAWA waveform measuring instrument.

  • Page 16: Demagnetization And Zero Adjustment

    Set the input coupling of the waveform measuring instrument to DC. Connect the output terminal of the 701933 to the input terminal of the waveform observation instrument. Turn the connector until it clicks into place, and confirm that it is securely locked.

  • Page 17: Performing Measurement

    We recommend that you set a calibration period according to the frequency of use and ask us to calibrate it periodically. Perform all safety checks, and ensure that the above-mentioned preparations for measurement have been taken. IM 701933-01E...
  • Page 18 You can now perform observation of the current waveform on the waveform measuring instrument. The output voltage rate of the 701933 is 0.1 V/A. Convert the voltage sensitivity on the waveform observation instrument to current sensitivity. For example, if the waveform observation instrument’s voltage sensitivity is 10 mV/DIV, the current sensitivity would...

  • Page 19: Specifications

    Sensor: approx. 175 (W) × 18 (H) × 40 (D) mm Terminator: approx. 27 (W) × 55 (H) × 18 (D) mm Weight Approx. 230 g Accessories User’s manual, soft case * In conjunction with a waveform measuring instrument having an input impedance of 1 MΩ ±1% IM 701933-01E...

  • Page 20: Compliant Standards

    Pollution degree 2 applies to normal indoor atmospheres (usually with only non-conductive pollution). *2 For conformity to environmental regulations and/or standards other than EU, contact your local Yokogawa office (PIM 113-01Z2). Frequency [Hz] Figure 1 Frequency characteristics (typical)

  • Page 21: Malfunction? First, Investigate

    The zero adjust is out of range Use the probe’s coarse (due to drift or other causes). adjustment trimmer. Set for 1 MΩ or higher. Input to the oscilloscope or The amplitudes across all other measuring instrument frequencies are small. is 50 Ω. IM 701933-01E...

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