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Agilent Technologies 1147A, Руководство пользователя

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20

Calibration Test Record

The AC Accuracy range is based on the Infiniium oscilloscope’s accuracy. 
Calculate the minimum and the maximum limits corresponding to the 
accuracy of your Infiniium oscilloscope.

Agilent Technologies

1147A DC to 50 MHz Current Probe

Recommended Test Interval: 1 year

Serial No.:  ___________________

Certification Date: ______________

Tested By:  ___________________

Certification Temperature: _______________________

Recommended Date of Next Certification: ___________

Test

Limit 
Minimum

Results

Limit 
Maximum

(1)  AC  Accuracy  [Arms]

          9.75

        10.25

NOTE

Содержание 1147A

Страница 1: ... Probe User s Guide Publication number 01147 92007 March 2012 For Safety information Regulatory information and publishing information see the pages at the end of this book Copyright Agilent Technologies 2000 2012 All Rights Reserved ...

Страница 2: ...nsformer The 1147A is ideal for acquiring high transient time signals such as those found in Motor Controllers in Switching Power Supplies and in Current Amplifiers driving inductive loads In order to use this product effectively and to ensure a long operational life read this User s Guide carefully and retain it for future reference Features Highly accurate current detection Split core constructi...

Страница 3: ...Mechanical Characteristics 10 Environmental Characteristics 10 Measurement Procedure 12 Preparations for Measurement 12 Demagnetization and Zero Adjustment 13 Measurement Procedure 13 Service Strategy 17 To return the Probe to Agilent Technologies for Service 17 Calibration Testing Procedures 18 Test Equipment Required 18 Preliminary procedure 18 1 AC Accuracy 19 Calibration Test Record 20 ...

Страница 4: ...aining it in safe operating condition Before using this equipment be sure to carefully read the following safety notes The following symbols are used in this User s Guide to indicate the relative importance of cautions and warnings Caution refer to accompanying documents Indicates DC Direct Current or AC Alternating Current Indicates that incorrect operation presents extreme danger of accident res...

Страница 5: ...be turned off when opening the jaws of the probe to insert or remove the bare wire so that 300V CAT I is always satisfied Avoid damaging the cable insulation surfaces while taking measurements This instrument is only made for use with the Infiniium Do not plug the probe into any interface other than the AutoProbe interface of which Infiniium has a protective earthing with double insulation constru...

Страница 6: ... It may be damaged if subjected to sudden changes in ambient temperature or mechanical strain or shock and therefore great care should be exercised in handling it The matching surfaces of the sensor head are precision ground and should be treated with care If these surfaces are scratched performance may be impaired Do not bend or pull the sensor cable and power supply cable in order to avoid damag...

Страница 7: ...itch DEMAG This demagnetizes the core if it has been magnetized by switching the power on and off or by an excessive input Always carry out demagnetizing before measurement The demagnetizing process takes about one second During demagnetizing a demagnetizing waveform is output 4 Zero adjustment dial ZERO ADJ Use the zero adjustment dial to correct for the effect of a voltage offset or temperature ...

Страница 8: ...nfiniium as the Terminator is plugged into the AutoProbe interface With an input impedance of 50 Ω accurate measurement is not possible The probe output sensitivity 0 1 V A will be automatically selected as the Terminator is plugged into the AutoProbe interface With an different output sensitivity accurate measurement is not possible NOTE ...

Страница 9: ...0 Arms continuous 30A peak non continuous per each channel Refer to frequency derating curve Fig 2 Maximum peak current 50A for Pulse Widths 10µs Probe sensitivity 0 1V A Noise 2 5mArms with 20 MHz Bandwidth limiting Insertion impedance Refer to Fig 3 Temperature coefficient 2 0 C to 40 C Effect of external magnetic fields Equivalent to 20mA for a 400A m magnetic field DC to 60 Hz Maximum circuit ...

Страница 10: ...ator 175 mm x 18 mm x 40 mm 6 89 in x 0 71 in x 1 6 in 28 mm x 81 mm x 24 mm 1 1 in x 3 2 in x 0 94 in Weight 210 g 7 4 oz Accessories supplied User s Guide storage case calibration certificate Operating temperature range 0 C to 40 C 32 F to 104 F Storage temperature range 10 C to 50 C 14 F to 122 F Maximum relative humidity operating or storage 80 no condensation Vibration 10 to 55 Hz 55 Hz 30 mi...

Страница 11: ...11 Frequency Hz Frequency Hz Frequency Hz Fig 1 Frequency characteristic Fig 2 Derating according to frequency Fig 3 Insertion impedance Amplitude 0dB 1V Maximum input current Arms Insertion impedance Ω ...

Страница 12: ... probe as an 1147A and will automatically make several settings on the channel to which the probe is connected a The channel input resistance will be set to 1MΩ b The channel input coupling will be set to DC This probe is NOT compatible with 50Ω only Infiniium oscilloscopes for example the DSO80000 or 90000 series oscilloscopes The input coupling is automatically selected to DC as the Terminator i...

Страница 13: ...trace for the channel to which the probe is connected as close as possible to the 0V position If the ZERO ADJ control cannot center the trace adequately then do the following a Move the ZERO ADJ control to a midrange position b Carefully adjust the Coarse Adjustment Trimmer on the probe sensor to move the trace on the channel to which the probe is connected as close as possible to the 0V position ...

Страница 14: ...ay result in activation of the safety circuit to prevent damage resulting from heating of the sensor At high ambient temperatures the built in safety circuit may activate at current input levels below the rated continuous maximum Continuous input of current exceeding the rated maximum or repeated activation of the safety function may result in damage to the unit When opening the sensor head of the...

Страница 15: ...the conductor being measured within the clamp aperture The conductor should be in the center of the clamp aperture Before making a measurement press the opening lever until the UNLOCK indication disappears and check that the sensor head is properly closed If the sensor head is not properly closed accurate measurement will not be possible Accurate measurement may be impossible in locations subject ...

Страница 16: ...16 High Low Power Source Load Figure 5 Low voltage side of the ...

Страница 17: ... the probe Name and address of the owner Probe model number Description of service required or failure indications 2 Retain all accessories 3 Return the probe in its case or pack the probe in foam or other shock absorbing material and place it in a strong shipping container You can use the original shipping materials or order materials from an Agilent Technologies Sales Office If neither are avail...

Страница 18: ...e Test Equipment Required Preliminary procedure 1 Turn on the Infiniium then connect the 1147A probe to the Infiniium Turn on the other equipment 2 Wait 30 minutes to warm up the equipment Description Minimum Requirements Recommende d test equipment Used at Infiniium Bandwidth 250 MHz Amplitude accuracy 0 4 Any Infiniium oscilloscope with 1MΩ input 1 2 3 4 Current loop wire 16 AWG Convenient lengt...

Страница 19: ... Time 5 ms div Vertical axis 5 A div Trigger level 0 mV Trigger slope Rise Measurement mode Vrms Voltage Measurement Area Entire Display RMS Type AC Other setups APPROPRIATE 5 Set the Generator setups to AC 10 Arms 50 Hz and sine wave 6 Generate the wave measure the current and record it 7 Remove the wire and the generator from the 1147A AC current generator Infiniium or InfiniiVision with 1MΩ inp...

Страница 20: ...r Infiniium oscilloscope Agilent Technologies 1147A DC to 50 MHz Current Probe Recommended Test Interval 1 year Serial No ___________________ Certification Date ______________ Tested By ___________________ Certification Temperature _______________________ Recommended Date of Next Certification ___________ Test Limit Minimum Results Limit Maximum 1 AC Accuracy Arms 9 75 10 25 NOTE ...

Страница 21: ...ust be connected to the earth terminal of the power source Whenever it is likely that the ground protection is impaired you must make the instrument inoperative and secure it against any unintended opera tion Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any ser vice unless qualified to do so Do not attempt internal ser vice or adjustment u...

Страница 22: ...cal data Document Warranty The material contained in this document is provided as is and is subject to being changed without notice in future editions Further to the maximum extent permitted by appli cable law Agilent dis claims all warranties either express or implied with regard to this man ual and any information contained herein includ ing but not limited to the implied warranties of merchanta...

Страница 23: ......

Страница 24: ...s1 Agilent Technologies Inc 2000 2012 Printed in Malaysia 03 12 Sixth edition March 2012 01147 92007 01147 92007 www agilent com ...

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