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ET44 Series Benchtop digital bridge.

ET4401 LCR METER

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Summary of Contents for ET44 Series

Page 1: ...ET44 Series Benchtop digital bridge ET4401 LCR METER...

Page 2: ...7 Main Parameter Selection 10 4 2 8 Secondary Parameter Selection 10 4 2 9 Equivalent Mode Selection 10 4 2 10 Comparator Setting 10 4 2 11 List Scanning Function 12 4 2 12 DCR MODE 13 4 2 13 Electro...

Page 3: ......

Page 4: ...ug of this instrument 4 The instrument has been carefully designed to reduce the clutter interference caused by the input at the AC power supply terminal However it shall be used in a low noise enviro...

Page 5: ...e instrument the warm up time shall be no less than 30 minutes after the instrument is turned on the continuous working hours shall be less than 16 hours 2 Please do not switch the instrument frequent...

Page 6: ...ge R 0 0001 99 99M Basic Accuracy 0 2 Test Frequency Hz 100 10kHz 10 point 100 20kHz 12point 100 100kHz 20 point Measurement Display Speed 2 times second slow 4 times second medium speed 8 times sec f...

Page 7: ...ower consumption 10W 3 Quick Reference 3 1 Front Panel 1 2 3 4 ET4401 LCR METER Figure 3 1 Diagram of Front Panel SN Description 1 Power button 2 3 5 inch display 3 Test clip jack 4 Basic Function Key...

Page 8: ...n again to enter the calibration state after the calibration is completed press down again to exit the calibration mode and return to the normal mode ENTER Press down to make the measurement condition...

Page 9: ...4 User Interface 3 4 1 Interface of Measurement Display Cp D 0mV Cp 1 4728pF D 0 0281 600mV 1kHz Cp D Cp 1 4728pF D 0 0281 MAX Cp D 0mV 600mV 1kHz Cp D MEAS DISP 1 4728 0 0281 LOCAL AUTO Cp D 0mV 600m...

Page 10: ...ow High 1 2 3 2nd 05 00 OFF 001 4pF Fig 3 4 Interface of Measurement Display 3 4 3 Interface of List Scanning List Scan MAX 2 1 3 4 5 6 7 Mode Freq Nom 001 5pF Seq Disp OFF Num Low High Value Comp Fig...

Page 11: ...0281 600mV 1kHz Cp D Cp 1 4728pF D 0 0281 MAX Cp D 0mV 600mV 1kHz Cp D 1 4728 0 0281 Cp D 600mV Cp pF D 100 0mV 1kHz Cp D Cp D 0mV Cp 1 4728pF D 0 0281 600mV 1kHz Cp D Cp 1 4728pF D 0 0281 MAX Cp D 0m...

Page 12: ...e Turn on the instrument to enter the interface of measurement display move the cursor to the measurement range area and switch the range through the up and down direction keys AUTO 30 100 300 1k 3k 1...

Page 13: ...ponent with the similar desired nominal value Step two Press the COMPARE key to open the Interface of Measurement Setting At this time the position of the cursor is at the nominal value in default The...

Page 14: ...00 OFF 001 4pF MEAS SET Nom Comp MAX Local Low High 1 2 3 2nd 05 00 OFF 001 4pF Fig 4 5 Fig 4 6 Method Two Step one the same as method one Step two move the cursor to the tolerance through the left a...

Page 15: ...ion keys and enter Interface of List Scanning by means of switching the up and down switch Keys as shown in Fig 4 9 and 4 10 The List Scanning Function can carry out circulated scanning over seven gro...

Page 16: ...Function Short press the NULL key to open and take the current value as the reference value secondary parameter will display the reference value and Main parameter will display the relative value the...

Page 17: ...r example Press MAX key the first time to display the maximum value press the second to exit the record maximum mode The interface is as shown in Fig 4 16 Cp D 0mV Cp 1 4728pF D 0 0281 600mV 1kHz Cp D...

Page 18: ...HORT with the interface as shown in Fig 4 18 the number will be added 1 along with the correction progress If the correction is successful the word success is displayed in the position where Digital i...

Page 19: ...dicators 5 1 Measurement Parameter 1 Main parameter L inductance C capacitance R resistance Z impedance 2 Secondary parameter X reactance D loss Q quality factor impedance angle ESR series equivalent...

Page 20: ...e series connection equivalent and p represents the parallel connection equivalent In general the series equivalent circuit shall be used for low value impedance elements basically high value capacita...

Page 21: ...tor The maximum and minimum values of the measurement parameters that affect accuracy Frequenc y Hz 100 120 200 400 800 1K 2K 4K 8K 10K Cmax 800 667 400 200 100 80 40 20 10 8 Cmin 1500 1250 750 375 18...

Page 22: ...4 0 4 2 2 5 4 DCR MEASUREMENT ACCURACY Range Display Range Accuracy Re 100M 20 00M 99 99M 10 0 20 words 20M 10 00M 20 00M 5 0 10 words 10M 4 000M 9 999M 2 0 5 words 4M 400 0k 3 9999M 1 2 3 words 400k...

Page 23: ...on protocol refers to SCPI part 6 2 RS232 INTERFACE The RS232 connector uses 9 pin DB socket with the pin sequence as shown below Pin definition 2 pins RXD receive data 3 pins TXD send data 5 pins GND...

Page 24: ...be maintained and repaired by professional technical personnel please do not arbitrarily replace various components within the instrument in maintenance after the maintenance a new measurement and cal...

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