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Rogowski Coil Current Probe

SS-683/684/685

Instruction Manual

Содержание Rogowski Coil Current Probe

Страница 1: ...Rogowski Coil Current Probe SS 683 684 685 Instruction Manual...

Страница 3: ...il Current Probe 9 1 2 Features 10 1 3 Usage Example 11 Chapter 2 Names and Functions 12 2 1 Main Unit 12 2 2 Names and Functions of Main Unit 13 2 3 Rogowski Coil Sensor 14 Chapter 3 Measurement Prin...

Страница 4: ...Memo...

Страница 5: ...sections Definition of WARNING and CAUTION as used in this manual WARNING Incorrect operation or failure to observe a WARNING may result in death or serious injury CAUTION Incorrect operation or failu...

Страница 6: ...coil generates heat due to induction heating Even if the absolute maximum di dt is within the range the coil itself is metal so induction heating causes the coil itself to generate heat which may cau...

Страница 7: ...not an electric shock fire or failure may occur Do not use any of the cables or AC adaptor if damaged Contact Iwatsu office or our sales distributors for repair Do not modify any cable or the AC adap...

Страница 8: ...off the equipment connected with this instrument and turn the POWER switch to the O side to turn off the power to this instrument remove the AC adaptor from the outlet when used After that contact Iw...

Страница 9: ...Do not place this instrument in a location with excessive humidity or dust If not an electric shock fire or failure may occur Do not put this instrument in a place exposed to lamp soot or steam gener...

Страница 10: ...n in the fire may explode causing a fire or burn For information on disposing of used batteries refer to Management of instrument on page 8 Before transporting this instrument remove the batteries hou...

Страница 11: ...ccessories table below Accessories table Option AC adaptor UNIFIVE CO LTD Model No UIA312 0716 I P AC 100 240V 50 60Hz 0 4A Note The AC adaptor option is packed in the hard case when be purchased at t...

Страница 12: ...ment to IWATSU or our sales distributors When sending an instrument to be repaired clearly write the instrument name serial number in the label on the rear of this instrument description of the failur...

Страница 13: ...n the coil The electromotive force is proportional to a differential value of the current The output electromotive force of the Rogowski Coil is the differential waveform of the current To detect the...

Страница 14: ...h fL to 100 MHz 3 dB fL Low Frequency cutoff Peak current 120A to 600A Three models of 120A 300A and 600A Sensitivity accuracy 2 calibrated at the center of sensor Linearity 0 05 of full scale Power s...

Страница 15: ...d to voltage with a sensitivity mV A set for each main unit The converted voltage is output from the output terminal of the main unit Inputting the output voltage to an oscilloscope and other monitori...

Страница 16: ...Chapter 2 Names and Functions of Parts 12 Chapter 2 Names and Functions 2 1 Main Unit...

Страница 17: ...4 2 Input part The sensor cable refer to Section 2 3 integral with the main unit is connected to this part Section 2 1 Output part BNC output connector Outputs the voltage current waveform of the main...

Страница 18: ...rogowski coil is formed a closed loop so as to surround the Sensor Through Hole inside and is connected to the sensor cable Sensor Through Hole Conductor feed through hole Sensor Cable A coaxial cabl...

Страница 19: ...rent current waveform in conductors to be measured It consists of the Rogowski Coil Sensor part and the main unit integrator Sections 3 1 and 3 2 in this chapter describe measurement principles and fu...

Страница 20: ...rnating current flows in the conductor to be measured In the Rogowski Coil magnetic flux changes along the loop When it changes an electromotive force is generated and current flows in the coil by ele...

Страница 21: ...he output voltage of the main unit current waveform is observed by an oscilloscope and other monitoring devices through the BNC cable As expressed by the following Equation 3 3 the voltage component V...

Страница 22: ...o not place them in the wrong orientation c Close the lid of the battery case For the AC adaptor option a Connect the AC adaptor cable to the connector on the top of the main unit refer to in the appe...

Страница 23: ...Sensor of this instrument to the target It is dangerous to apply power to the target to be measured before the attachment The current detection polarity is shown as in the following figure Positive po...

Страница 24: ...t adjustment CAUTION When adjusting the DC offset voltage zero point use the included accessory Adjustment Screwdriver align the tip of the screwdriver with the adjustment slot and turn it without app...

Страница 25: ...sor cable so it may be improved by inserting the ferrite core into the cable 4 3 2 Use caution to heat generated by induction heating In a strong magnetic field due to high frequency and large current...

Страница 26: ...lating outer sheath causing an electrical shock fire or failure Corona discharge tends to be generated due to electric field concentration Take some measures to avoid the generation for example keep t...

Страница 27: ...full scale Zero point adjustment range 3 mV or more Sensor Dimensions Approx Outter Diameter 24 mm Inside Diameter 14 mm Thickness 5 8 mm Maximum rating voltage between ground 1 2 kV peak Measure on m...

Страница 28: ...will be automatically shut down to avoid over discharge Note that from the time the LOW BATTERY LED lamp comes on until the time this instrument is automatically shut down may be shortened when nickel...

Страница 29: ...Chapter 5 Specifications 25 5 2 Appearance 1 Main Unit Unit mm...

Страница 30: ...Chapter 5 Specifications 26 2 Rogowski Coil Sensor Unit mm...

Страница 31: ...Us Overseas Sales Sect Sales Dept No 2 Address 7 41 Kugayama 1 Chome Suginami ku Tokyo 168 8501 Japan Phone 81 3 5370 5483 Facsimile 81 3 5370 5492 URL http www iti iwatsu co jp E mail info tme iwats...

Страница 32: ...SS 683 684 685...

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