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MegaPulse

IMPULSE TESTER

1.2x50-12.3PF-1

500ohm 0.5J

Instruction Manual

Содержание MegaPulse 1.2x50-12.3PF-1

Страница 1: ...MegaPulse IMPULSE TESTER 1 2x50 12 3PF 1 500ohm 0 5J Instruction Manual...

Страница 2: ...design and ergonomic front panel and represents the latest in high voltage impulse testing To fully appreciate all the features of your new instrument we suggest that you take a few moments to review...

Страница 3: ......

Страница 4: ...ter 9 AC Line Voltage Requirements 9 Fuse Replacement 10 Front and Rear Panel Features 10 Setting the Peak Output Voltage 14 Initial Checkout Procedure 15 Testing 16 Technical Assistance 18 Maintenanc...

Страница 5: ...1...

Страница 6: ...are that high voltage is adept and creative at completing a path to ground Instructions should include a warning against any metal jewelry Operators should not allow others in the testing area especia...

Страница 7: ...will stop after 2 minutes if the TRIGGER button is not pressed The MegaPulse tester is designed to bleed the high voltage away after the test has concluded In order to ensure that any voltage present...

Страница 8: ...amplitude of the measured output waveform is proportional to the voltage that is read on the front panel of the MegaPulse but it will always be somewhat lower This is because the meter on the MegaPul...

Страница 9: ...ed in the Error Reference source not found below and the component designations are shown in Figure 1 Figure 1 General Electrical diagram Output Waveform Voltage C1 R1 R2 C2 1000 Vp 0 5 J 1 2x50 us 10...

Страница 10: ...e 1 as specified however the component values of R1 and C1 may be modified to account for secondary circuit effects in order to generate the specified output waveform which is described in Figure 3 as...

Страница 11: ...to half value T2 are as specified in IEC 61180 1 shown in Figure 4 Figure 4 Waveform time measurements from IEC 61180 1 Recommended test voltages and tolerance on peak voltage are as specified in IEC...

Страница 12: ...8 Figure 5 Test Voltages and Tolerance from IEC 60255 5...

Страница 13: ...ase use the original shipping container If the original shipping container is not available be sure that adequate protection is provided to prevent damage during shipment We recommend that the instrum...

Страница 14: ...ug the instrument from the source of supply 3 Remove the power inlet cord from the instrument 4 Using a small screwdriver pry open the fuse holder door 5 Replace the fuse with a new one of the correct...

Страница 15: ...11 Figure 6 Controls Indicators Connectors MegaPulse 1 2x50 12 3PF 1 500ohm 0 5J Front Panel image for reference only...

Страница 16: ...pressing TRIGGER button TRIGGER and CHARGE Indicators will be blinking if the Interlock Switch is open Only testers with Interlock Switch Option TRIGGER indicator will blink at when the Voltage This...

Страница 17: ...h is used to turn the tester ON and OFF 2 RS 232 Interface Optional Allow the communication between the tester and computer interface a RS 232 to USB is available 3 Interlock Switch Optional Emergency...

Страница 18: ...OT SET THE VOLTAGE ABOVE THE MAXIMUM VOLTAGE SETTING SPECIFIED IN Table 4 DOING SO MAY DAMAGE THE EQUIPMENT Output Switch Setting Desired Peak Output Voltage Vp 1 Output Voltage Setting Vs Maximum Vol...

Страница 19: ...n Toggle the POLARITY switch if necessary so that the NOR indicator is lit 5 Note that the Voltage meter may indicate that some residual voltage is present on the main storage capacitor even when the...

Страница 20: ...ster on 5 Note that the Voltage meter may indicate that some residual voltage is present on the main storage capacitor even when the tester is first turned ON This is due to inherent charging of the i...

Страница 21: ...Note that the peak amplitude of the measured output waveform is proportional to the voltage that is read of the front panel of the MegaPulse but it will always be somewhat lower This is because the me...

Страница 22: ...ce West USA is available Phone 800 748 6224 Hours 8 00 AM 4 00 PM Pacific Time Also available on our web site at www compwest com Contact Compliance West USA 650 Gateway Center Way Suite D San Diego C...

Страница 23: ...will be corrected at no charge Mail the instrument post paid to the manufacturer Dated proof of purchase is required for all in warranty repairs The manufacturer is also available for calibration and...

Страница 24: ...on procedure must be performed by qualified personnel for more information contact Compliance West USA Voltage Stop Disable Keyboard Enable by Keyboard If the MegaPulse 1 2x50 12 3PF 1 500ohm 0 5J tes...

Страница 25: ...the order of 10 20ms This is because the COM contact moves at a finite speed over a large contact gap distance Therefore it is reasonable to expect that the power source that is charging the capacitor...

Страница 26: ...current flowing which allows the arc to be maintained Figure A 1 shows a test circuit schematic Figure A 2 shows the ideal simulated output waveform and Figure A 3 shows the actual output highlightin...

Страница 27: ...s a shorter time constant Rc R2 x C3 As soon as the arc is extinguished a high impedance exists again between the COM contact and the NO contact Therefore a voltage difference will again develop betwe...

Страница 28: ...lation In fact the waveform definitions from IEC 60060 1 and other standards do not specify the wave shape after the voltage has decayed to below 50 of the peak value In practice these transients have...

Страница 29: ...25 Figure A 5 Breakdown as the voltage is rising...

Страница 30: ...26 Figure A 6 Dieletric breakdown immediately after Vpeak...

Страница 31: ...27 Figure A 7 Dielectric breakdown after Vpeak delayed breakdown...

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