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User’s

Manual

IM 701930-01E

9th Edition

701930

Current Probe

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Summary of Contents for 701930

Page 1: ...User s Manual IM 701930 01E 9th Edition 701930 Current Probe ...

Page 2: ...ow us to serve you best by completing the user registration form accessible from our website https tmi yokogawa com support 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: ...of Yokogawa offices worldwide is provided on the following sheet Document Number Description PIM 113 01Z2 List of worldwide contacts Notes The contents of this manual are subject to change without prior notice as a result of continuing improvements to the product s performance and functionality The figures given in this manual may differ from those that actually appear on your product Every effort...

Page 4: ...during all phases of operation 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: ...hock do not get the instrument wet or use it with wet hands French AVERTISSEMENT Ne serrez pas les conducteurs nus pour éviter les courts circuits ou les blessures lorsque la tête du capteur est ouverte ou en mesure de mesurer Veillez à ne pas endommager la surface d isolation du conducteur à mesurer Connectez l alimentation à la borne d alimentation de la sonde option d un instrument de mesure de...

Page 6: ...on the surfaces may impair performance Gently wipe off any dust or dirt on the matching surfaces of the sensor head with a soft cloth It may generate resonance noise or impair performance Do not bend or pull the sensor cable or power cable to avoid damage due to disconnection Current sensors can be damaged by static electricity Be careful not to apply static electricity to the instrument including...

Page 7: ...l peut être endommagé par des changements brusques de température ambiante des contraintes mécaniques ou des chocs Les surfaces correspondantes de la tête du capteur sont rectifiées avec précision Manipulez l instrument avec précaution car les rayures sur les surfaces peuvent altérer les performances Essuyez délicatement la poussière ou la saleté sur les surfaces correspondantes de la tête du capt...

Page 8: ...Lorsque l appareil est sous tension maintenez la tête du capteur fermée sauf lors du serrage du conducteur à mesurer Le laisser ouvert peut endommager l instrument Note Accurate measurement may be impossible in locations subject to strong external magnetic fields such as near transformers and high current conductors or in locations subject to strong external electric fields such as near radio tran...

Page 9: ...ic 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 is the authorized representative of Yokogawa Test Measurement Corporation for this product in the EEA To contact Yokogawa Europe B V see the separate list of worldwide contacts PIM 113 ...

Page 10: ...o prevent serious injury or death to the user CAUTION Describes precautions that should be observed to prevent minor or moderate injury or damage to the instrument French AVERTISSEMENT Attire l attention sur des gestes ou des conditions susceptibles de provoquer des blessures graves voire mortelles et sur les précautions de sécurité pouvant prévenir de tels accidents ATTENTION Attire l attention s...

Page 11: ...hapter 1 701930 Current Probe Product Overview 1 1 Features 1 1 Names of Parts 1 2 Description of Parts 1 3 Operating Procedure 1 4 Handling Precautions 1 4 Preparations for Measurement 1 4 Demagnetizing and Zero Adjustment 1 5 Measurement Procedure 1 6 Specifications 1 9 Product Specifications 1 9 Compliant Standards 1 10 Chapter 2 Malfunction First Investigate Corrective Action to be Taken in Ca...

Page 12: ...strument such as YOKOGAWA DL DLM series and by clamping it to a conductor to be measured allows the current waveform to be easily captured Features Highly accurate current detection Easy current measurement Wideband frequency characteristics DC to 10 MHz Wide clamp permits measurement of high current levels Easy protect function during excessive input 701930 Current Probe ...

Page 13: ...1 2 IM 701930 01E Names of Parts Terminator Sensor Power Supply Cable Sensor Cable LOCK Indication 2 1 4 internal 3 5 6 7 8 2 UNLOCK Indication Current Direction Indication ...

Page 14: ...ree seconds During demagnetizing a demagnetizing waveform is output 6 Zero Adjustment Dial ZERO ADJ Use the zero adjustment dial to correct for the effect of a voltage offset or temperature drift on the unit When performing measurements always carry out a zero adjustment after demagnetizing 7 Output Connector The current waveform of the measured conductor is output at a constant rate 0 01 VA in co...

Page 15: ...of the instruments to be connected to To avoid electric shock do not get the instrument wet or use it with wet hands Preparations for Measurement CAUTION When using a 701930 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 Make sure that the total current c...

Page 16: ...efore pulling the connector Forcibly pulling the connector without releasing the lock or pulling on the cable will result in damage to the terminator If using BNC banana plug or similar adapters to connect to input terminals other than BNC connectors make sure the polarity is correct Do not demagnetize when the clamp is connected to a conductor Doing so might damage the components of the circuit b...

Page 17: ...rding to the frequency of the current being measured See page1 9 Product Specifications If excess current is input generated heat activates a built in safety function that blocks normal output If this happens remove the input immediately remove the sensor from the conductor being measured or reduce the input current to zero Wait until the sensor has had sufficient time to cool before resuming oper...

Page 18: ...escribed in the preceding section have been carried out 2 Pull the sensor opening lever so that the sensor head opens 3 Align the sensor so that the current direction indication corresponds to the direction of current flow through the conductor to be measured and clamp so that the conductor is in the center of the sensor aperture 4 Press the clamp lever on the sensor head until the LOCK indicator ...

Page 19: ...n the center of the clamp aperture When carrying out measurement press the clamp lever until the LOCK indication appears and the UNLOCK indication disappears and check that the clamp is properly closed If the clamp is not properly closed accurate measurement will not be possible At high frequencies common mode noise may affect measurements taken on the high voltage side of circuits If this occurs ...

Page 20: ... Hz 150 A input in a range of 0 to 40 C Propagation Delay 40 ns Typical Maximum Rated Power 5 5 VAmax at the maximum continuous input Rated Supply Voltage 12 V 1 V Operating Temperature and Humidity Range 0 to 40 C 80 RH or less no condensation Storage Temperature and Humidity Range 10 to 50 C 80 RH or less no condensation Location for Use Indoor use altitude up to 2000 m Effect of External Magnet...

Page 21: ...to the degree of adhesion of a solid liquid or gas which deteriorates withstand voltage or surface resistivity 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 Amplitude dB 0dB 1V Maximum input current Arms Insertion impedanc...

Page 22: ... low frequencies up to few hundred Hertz or the amplitude is small in the given frequency region Power is not turned ON Turn ON the power The measurement instrument such as an oscilloscope is set to AC coupling Set the instrument to DC coupling The sensor is not locked it is not hooked securely Lock the sensor Cannot adjust to the zero level using the zero adjustment dial The sensor is magnetized ...

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