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JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples

correction, the short plate of low impedance should be connected between test
terminals. Another way is to directly connect Hc with Lc or Hp with Lp, then
connect both.

Note:

When the DUT is a polarity component, before testing, the high potential

terminal should be connected to the terminal with mark “+”, “Hc” or “Hp” and the

low terminal should be connected to the terminal with mark

“

-

”, “Lc” or “Lp”.

Warning: Before testing, please discharge the tested polarity component
so as to avoid the damage to the instrument.

5.2

Eliminate the influence of stray impedance

Figure 5-2 Eliminate the influence of stray capacitance
When the DUT has high impedance(such as small capacitance), the influence of
stray capacitance cannot be ignored. Figure 5-1 is an example of the use of 4
terminal pair measurement. In this figure, Cd is connected with Cx in a parallel
way and when a conductance plate is positioned under DUT, capacitance Ch will
connect with Cx in parallel after connecting with Cl in series and by this way the

Hp

Lp

Lc

Hc

Figure 5-1 Influence of stray capacitance

Test terminal

Shielding

ground

Metal

conductor

Cx

Cd

Ch

Cl

Cx

Hc

Hp

Lp

Lc

Shielding
plate

Shielding
ground

Test terminal

Metal
conductor

50

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Содержание JK2830

Страница 1: ......

Страница 2: ...I O OP PE ER RA AT TI IO ON N M MA AN NU UA AL L JK2830 Precision LCR meter ...

Страница 3: ... 8 2 4 1 MEAS DISP 8 2 4 2 MEAS SETUP 8 2 5 Basic Operation 9 2 6 Start the instrument 9 Chapter 3 Introduction to MEAS DISPLAY 10 3 1 MEAS DISPLAY 10 3 1 1 Test function 11 3 1 2 Test range 12 3 1 3 Test frequency 13 3 1 4 Test level 14 3 1 5 Test speed 15 3 1 6 Output Impedance 15 3 1 7 Tools 15 3 2 BIN DISP 17 3 2 1 Comparator function 17 3 2 2 BIN 18 3 2 3 HIGH LOW 18 3 2 4 COUNT 18 3 2 5 AUX ...

Страница 4: ...rrection mode 37 3 6 7 Open Short correction on MEAS DISP page 38 3 7 LIST SETUP 39 3 7 1 MODE and FAIL MODE 40 3 7 2 Test parameter 40 3 7 3 Sweep parameter setup 40 Chapter 4 SYSTEM and FILE 10 4 1 SYSTEM 10 4 1 1 SKIN 10 4 1 2 LANGUAGE 10 4 1 3 PASS ALARM 11 4 1 4 FAIL ALARM 11 4 1 5 KEY SOUND 11 4 1 6 PASSWORD 12 4 1 7 SAVE TYPE 12 4 1 8 BUS MODE 12 4 1 9 BAUD RATE 13 4 1 10 DATE TIME 13 4 1 1...

Страница 5: ...nal mode 24 6 2 3 Test signal level 25 6 2 4 Output impedance 25 6 2 5 Monitor for test signal level 25 6 2 6 Maximum measurement display range 25 6 3 Measurement accuracy 25 6 3 1 Accuracies of Z Y L C R X G B 26 6 3 2 Accuracy of D 26 6 3 3 Accuracy of Q 26 6 3 4 Accuracy of θ 26 6 3 5 Accuracy of G 27 6 3 6 Accuracy of Rp 27 6 3 7 The accuracy of Rs 27 6 3 8 Accuracy factor 28 6 3 9 Accuracy of...

Страница 6: ...e manual may not cover all contents of the instrument and our company is subject to change and to improve the performance function inner structure appearance accessory and package of the instrument without notice If there is puzzle caused by inconsistency of manual and instrument then you can contact with our company by the address on the cover ...

Страница 7: ... panel 2 Power supplying frequency range 47 63Hz 3 Power supplying power range less than 20VA 4 Power supplying input phase line L zero line N ground lead E should be as same as the power plug of the instrument 5 After careful design the instrument can reduce the clutter jamming caused by AC power terminal input however it should be used under the environment with low noise Please install power fi...

Страница 8: ...n 5 and 40 humidity is less than 85 RH If the instrument will not be put in use for a time please have it properly packed with its original box or a similar box for storing 6 The instrument especially the test cable should be far from strong electro magnetic field to avoid the jamming on measurement 1 5 Use of Test Fixture Please use the accessory test fixture or cable the test fixture made by use...

Страница 9: ...JK2830 Operation Manual Chapter 1 Out of Box Audit 3 1 7 Other features 1 Power consumption power 20VA 2 Dimension W H D 235mm 105mm 345mm 3 Weight About 3 25kg ...

Страница 10: ...r into the display page of measurement display 4 CURSOR This key is used to move the cursor on the LCD displayed page When the cursor moves to a zone the corresponding zone will be lightened 5 SET Press this key to enter into the setup page of measurement setup 6 Numerical keys These keys are used to input data to the instrument The key consists of numerical keys 0 to 9 decimal point and key 7 DC ...

Страница 11: ... OPEN SHORT calibration 10 POWER Power switch 11 USB HOST interface Connect U flash disk so as to save or use a specified file 12 TRIG When the trigger mode is set to MAN mode press this key to trigger the instrument 13 Test terminals UNKNOWN 4 teminal test pair are used to connect 4 terminal test fixture or cable to measure DUT The 4 terminals are respectively as follows Hcur Hpot Lpot and Lcur 1...

Страница 12: ...Being used to install power fuse protect instrument Warning Be sure that the direction of fuse is accordant with power supply voltage range before charging 5 Ground terminal The ground terminal is connected with instrument casing being available for protecting or shielding ground connection 6 Serial number Information about production date instrument number and manufacturer etc 7 USB DEVICE interf...

Страница 13: ...em and user data input is displayed 3 System icon zone In this zone display the system status U disk is connected Romot control status Keyboard locked Data recording status 4 Test result condition display zone In this zone test result information and current condition are displayed 5 Correction information Display the current correction status 6 Soft keys The zone is used to display the function d...

Страница 14: ... keys will be displayed in the soft key zone MEAS DISP BIN DISP LIST SWEEP FILE LIST MORE 1 2 D P FIX A D P FIX B DISP OFF ON EASY START SAVE CSV MORE 2 2 2 4 2 MEAS SETUP Press this key MEAS SETUP the following soft keys will be displayed in the soft key zone on the LCR measurement setup page MEAS SETUP LIMIT TABLE CORRECTION LIST SETUP FILE LIST MORE 1 2 SYSTEM SETUP RESET SETTING START SAVE CSV...

Страница 15: ...press ENTER to end data inputting When ENTER is used to terminate data inputting the unit of data will be set to a default unit such as Hz V or A For example the default unit for frequency is Hz 2 6 Start the instrument Plug in 3 line power plug Caution Keep the power supply voltage and frequency conform to above specifications Power input phase line L zero line N ground line E should be the same ...

Страница 16: ... parameters can be set in this page Test function FUNC Test frequency FREQ Test level LEVEL Test range RANGE Test speed SPEED Output impedance RSOU There are 6 zones in this page FUN FREQ LEVEL RANG SPEED RSOU The details will be discussed later The test result condition display zone shows the information about test condition These conditions can be set on Meas Setup page or Correction page Signal...

Страница 17: ... θ Phase Angle Test results of primary and secondary parameters are respectively displayed in two lines in the form of upper case characters The primary parameter displays in the upper line while the secondary parameter displays in the lower line Operation steps for setting test function 1 Move the cursor to FUNC zone the following soft keys will be displayed on the screen Cp Cs Lp Ls Z Y 2 Press ...

Страница 18: ...CR RETURN Press the soft key corresponding to your desired parameter Then press RETURN to return to upper soft key menu 6 Press Z the following parameters will be shown for your choice Z θr Z θº R X Rp Q Rs Q RETURN Press the soft key corresponding to your desired parameter Then press RETURN to return to upper soft key menu 7 Press Y another group of soft keys will be shown Y θr Y θº G B RETURN Pr...

Страница 19: ...range 3 1 3Test frequency The measurement range of JK2830 ranges from 50Hz to 200kHz total 37 frequency points Operation steps for setting test frequency JK2830 provides two methods to set measurement frequency The first one is to use soft keys and the other one is to input data by using numeric keys 1 Move the cursor to the FREQ zone the following soft keys will be displayed This is a coarse adju...

Страница 20: ...ith the resolution of 10mV Operation steps for setting test level JK2830 provides two methods to set the level of test signal source The first one is to use soft keys while the second one is to input data by numeric keys 1 Move the cursor to LEVEL the following soft keys will be displayed This is a coarse adjustment soft key used to increase the level of test signal source This is a fine adjustmen...

Страница 21: ...ce The output impedance of JK2830 can be set as 30Ω 50Ω and 100Ω Operation steps for setting output impedance 3 Move the cursor to RSOU the following soft keys will be displayed 100Ω 50Ω 30Ω 4 Use above soft keys to set the output impedance 3 1 7Tools The test result of JK2830 is displayed as 6 floating point digits Decimal point lock function can make JK2830 output the test result in fixed way Me...

Страница 22: ...t When the decimal location is locked is displayed Press D P FIX B once the last digit will be deleted and the displayed digit will be reduced by one 4 Press EASY to display the test results on easy operation page On the easy operation page the numeric keys 1 to 9 is response 9 measurement setup 5 Press DISP OFF ON to close open the display of the test results NOTE Under the following circumstance...

Страница 23: ...MORE 1 2 Press MORE 1 2 soft key the following soft keys will be displayed Count function ON OFF COUNTE OFF ON Compare function ON OFF COMP OFF ON Counter reset RESET COUNT start to save data START SAVE CSV Return MORE 2 2 The following test result condition can be displayed in this page but cannot be set in this page Users can set them on the LIMIT TABLE page Nominal value NOM Bin limit value HIG...

Страница 24: ... soft keys will be displayed COUNT OFF ON COMP OFF ON RESET COUNT 2 Press the soft key COUNT OFF ON to set the bin counter as ON or OFF 3 Press the soft key COMP OFF ON to set the compare function as ON or OFF 4 Press the soft key RESET COUNT Info Sure clear bin counter will be displayed in the help zone Then the following soft keys will be displayed YES NO 5 Press the soft key YES to reset all bi...

Страница 25: ...n will be made between test results and limit values In the process of list sweep test denotes the current sweep test point The following control parameters can be set on LIST SWEEP Sweep mode SWEEP MODE Fail mode FAIL MODE There are 2 zones on this page LIST SWEEP DISP and mode List sweep points cannot be set on this page but can be set on LIST SWEEP SETUP 3 3 1Sweep mode The list sweep function ...

Страница 26: ...the sweep mode as single step sweep test mode Operation steps for setting the list sweep fail mode Set the sweep fail mode on the LIST SWEEP page as STOP or CONTINUE 4 On the LIST SWEEP page move the cursor to the FAIL MODE zone the following soft keys will be displayed STOP CONTINUE PAUSE RETRY 3 3 2 FREQ Hz This zone shows the currently swept parameter mode and its unit What are right below this...

Страница 27: ...G Trig Delay Time TRIG DLY Average times AVG Auto LCR Function AUTO LCR Voltage Level Monitor ON OFF MON 1 Current Level Monitor ON OFF MON 2 Deviation Test Mode A DEV A Deviation Test Reference Value A REF A Deviation Test Mode B DEV B Deviation Test Reference Value B REF B Step Delay Time STEP DLY DC Bias source DC BIAS Some zones listed below are as same as that on MEAS DISP page so it is not n...

Страница 28: ... test The BUS mode cannot be set on the front panel Note In the process of testing when JK2830 receives a trigger signal it will be ignored So the trigger signal should be sent after the test is done When optional HANDLER interface triggers JK2830 the trigger mode is set as EXT Operation steps for the trigger mode setup Execute the operation of other trigger modes except BUS trigger If BUS trigger...

Страница 29: ...tion so when the correction data changes the level monitor value will change When the correction is switched between OPEN or SHOR the level monitor value will be influenced as well Operation steps for setting the monitor function Execute the following operation steps to set the level monitor function as ON or OFF 1 Move the cursor to MON 1 or MON 2 zone the following soft keys will be displayed OF...

Страница 30: ...when the instrument is applied in an auto test system When the instrument is triggered by HANDLER interface the trigger delay time can ensure DUT and test terminal has a reliable contact Operation steps for setting the delay function Execute the following steps to set the measurement delay time 1 Move the cursor to the TRIG DLY zone 3 the following soft keys are displayed and This key is used to i...

Страница 31: ...deviation test modes as below ΔABS Absolute Deviation mode The deviation currently displayed is the difference between the test value of the DUT and the preset reference value The formula of calculating ΔABS is as below ΔABS X Y Where X is the test value of DUT Y is the preset reference value Δ Percentage deviation mode The deviation currently displayed is the percentage of the difference between ...

Страница 32: ...s internal DC bias voltage from 5V to 5V Operation steps for setting DC bias JK2830 provides two methods to set the DC bias The first one is to use soft keys while the second one is to input data by numeric keys 1 Move the cursor to DC BIAS the following soft keys will be displayed and This soft key is used to increase the output level of DC bias and This soft keys is used to decrease the output l...

Страница 33: ...be sorted into aux bin When JK2830 installs the HANDLER interface and it is used in automatic sorting system the compare function will be especially useful The following limit parameter of compare function only be set on LIMIT TABLE page Test parameter FUNC Limit mode of compare function MODE Nominal value NOM Auxiliary bin ON OFF AUX Compare function ON OFF COMP Low limit of each bin LOW High lim...

Страница 34: ...Compare functions has two limit setup modes for primary parameters as shown in figure 3 1 Tolerance mode Under tolerance mode set the deviation value of the nominal one be set in the NOM zone as the compare limit value Deviation value has two modes percentage deviation and absolute deviation Sequential mode Under sequential mode the range of the test value is the compare limit value The compare li...

Страница 35: ...equential mode is selected as the limit mode the primary parameter the nominal value can be set but it is not necessary to use it under this mode Operation steps for setting the nominal value 1 Move the cursor to NOM 2 Use numeric keys to input nominal value After inputting the data the following soft keys p n µ m k M 1 can replace the ENTER key to input the nominal value Press 1 to input nominal ...

Страница 36: ...rameter of DUT is within the limit range but its secondary parameter is out of the limit range the DUT will be sorted into the AUX BIN Note When the secondary parameter only has low limit and the auxiliary bin is set as ON if the primary parameter of DUT is within the limit range and the secondary parameter is smaller than or equal to its low limit the DUT will be sorted into the auxiliary bin Whe...

Страница 37: ... the high limit of the secondary parameter 7 In Low limit of BIN 1 use numeric keys to input the low limit After inputting the data you can use p n µ m k M 1 to replace ENTER to input the limit value When ENTER or 1 is used to input the limit value the default unit is F H or Ω 8 After inputting the low limit of BIN 1 the cursor will automatically move to HIGH of BIN 1 Input the high limit of BIN 1...

Страница 38: ... paragraphs Besides above setting zones the CORRECTION page will also display the following monitoring zones The monitoring zones are similar with the setting zones but the monitoring zones can only provide reference information and you cannot change state or parameter of these zones The following measurement control parameters can be set on the Correction page Open correction OPEN Short correctio...

Страница 39: ...e full frequency open correction 20 Hz 100 Hz 1 kHz 10 kHz 100 kHz 25 Hz 120 Hz 1 2 kHz 12 kHz 120 kHz 30 Hz 150 Hz 1 5 kHz 15 kHz 150 kHz 40 Hz 200 Hz 2 kHz 20 kHz 200 kHz 50 Hz 250 Hz 2 5 kHz 25 kHz 60 Hz 300 Hz 3 kHz 30 kHz 80 Hz 400 Hz 4 kHz 40 kHz 500 Hz 5 kHz 50 kHz 600 Hz 6 kHz 60 kHz 800 Hz 8 kHz 80 kHz 10 open correction frequencies can be set in SOPT NO and FREQ on CORRECTION Move the cu...

Страница 40: ...K2830 can eliminate the error caused by spurious inductance R X in serial with DUT as shown in figure 3 3 Figure 3 3 Spurious Inductance JK2830 adopts two kinds of short correction data No matter what the current frequency is JK2830 will execute short correction test on the 41 fixed frequency points Except the 41 frequencies the instrument will adopt imbedding algorithm to calculate the short corr...

Страница 41: ...SPOT FREQ the short correction data of SPOT FREQ will be used in the calculation of the short correction 5 Press OFF to turn off the short correction function In latter test no short correction calculation will be performed 3 6 3LOAD By using transport coefficient between the real test value and the standard reference value at the preset frequency SPOT NO the load correction of JK2830 can eliminat...

Страница 42: ... at SPOT FREQ SPOT SHORT Press this soft key to execute short correction at SPOT FREQ MEAS LOAD Press this soft key to execute the load correction at SPOT FREQ 4 Press the soft key ON the original preset open short load correction frequency is displayed on the frequency setting zone 5 Use numeric keys to input the correction frequency After pressing any numeric key the available unit keys Hz kHz w...

Страница 43: ... and LOAD B 21 Move the cursor to LOAD 22 Press ON to perform load correction calculation at preset frequencies in latter measurements 3 6 4Load correction test function When performing load correction the reference value of the standard component is required to be input in advance The test parameters of reference value should conform with the preset load correction test function Load correction f...

Страница 44: ...pacitance and inductance under 37 frequencies It will take about 20 seconds to finish the open full frequency correction In the process of correction the following soft key will be displayed CANCEL This soft key can be used to terminate the current open correction operation and reserve the formal open correction data 5 Press OPEN OFF ON to turn ON OFF the function of open circuit correction If ON ...

Страница 45: ...cy correction takes about 20 seconds and in this process the following soft keys will be displayed CANCEL This soft key can be used to cancel the current short correction operation and reserve the formal open correction data Press SHORT OFF ON to turn ON OFF the short correction function If ON JK2830 will make short correction calculation in latter test If OFF no short correction calculation will ...

Страница 46: ...AS A 2 Press one of above soft keys to select the list sweep parameter 3 7 3Sweep parameter setup Move the cursor to the table to perform the setup of each sweep parameter FREQ HZ LMT HIGH and LOW Use numeric keys on the front panel to input the data of test frequency level bias and high low limit used to compare as well as the selected primary secondary use to compare After setting if some inputs...

Страница 47: ...ata time 4 1 1SKIN The function of this zone is to set the theme of display Operation steps for setting the theme of display 1 Move the cursor to SKIN the following soft keys will be displayed GRAY BLACK BLUE CYAN 2 Use above soft keys to select the theme of display 4 1 2LANGUAGE This zone is used to control and display the current language mode of the operating instrument Operation steps for sett...

Страница 48: ...s used to select short beep TWO SHT This soft key is used to select two low and short beeps 4 1 4FAIL ALARM This zone is used to control and display the beep mode as FAIL ALARM when the test result is unqualified Operation steps for setting FAIL ALARM 1 Move the cursor to FAIL ALARM the following soft keys will be displayed OFF This soft key is used to set the fail beep function OFF LONG This soft...

Страница 49: ... file MODIFY This soft key is used to modify the password The operation steps are as follows Press MODIFY to input a new password After inputting a prompt information will appear on the screen to prompt you to confirm the new password Input the new password again till the modification finishes Note The default password is 123456 4 1 7SAVE TYPE Operation steps for setting the type of files 1 Move t...

Страница 50: ...ace The available baud rate of this instrument is from 4 800k to 115 200k Operation steps for setting the baud rate 1 Move the cursor to BAUD RATE the following soft keys will be displayed 1200 9600 19200 38400 115200 2 Use above soft key is to set the baud rate 4 1 10 DATE TIME When moving to the time zone user can set the date and time of the instrument 4 1 11 SYSTEM INFORMATION Press SYSTEM INF...

Страница 51: ...ss FIRMWARE UPDTE enter into the FIRMWARE UPDATE page shown as below 2 Press UPDTE the following soft keys will be displayed YES NO 3 Press YES soft key to update the firmware of the instrument 4 1 13 SYSTEM TEST Press SYSTEM TEST enter into the SYSTEM TEST page shown as below 45 ...

Страница 52: ...ansformer scanning will be described in the part of transformer test setting Press FILE to enter into the file manage page shown as below 4 2 1Setup file for single group component EST 100 groups of different single groups of component set file EST can be saved in the instrument but the EST file with the number more than 100 should be saved in external U disk Use FILE function on the following Fil...

Страница 53: ... copied to IBM PC or compatible desk top computer laptop with USB interface to reach the infinite extension JK2830 supports the USB memory devices as below Meet the USB 1 0 1 1 standard Capacity 32MB 64MB 128MB 256MB File format FAT32 Format the USB memory on Microsoft Windows operation system 4 2 3Operation steps for file management A Save the following control and setting parameters to a file by...

Страница 54: ...s 1 Assuming that it is necessary to copy internal files 2 and 3 to files 12 and 13 respectively 2 Press FILE the file list and the following soft keys will be displayed LOAD SAVE DELETE COPY RENAME EXIT 3 Press COPY soft key the help information display Input source file s No 4 Using numeric keys to input the source file s position press ENTER the help information display Input destination file s...

Страница 55: ...han 0 1 before connecting to DUT it is recommended to connect Hcur Hpot and Lpot Lcur Two terminal test In the test with high accuracy requirement using Kelvin test fixture standard accessory will gain better results than using test leads When Kelvin test lead is used under 10kHz a better measurement result can be obtained However when the frequency is higher than 10kHz it cannot meet the measurem...

Страница 56: ... as to avoid the damage to the instrument 5 2 Eliminate the influence of stray impedance Figure 5 2 Eliminate the influence of stray capacitance When the DUT has high impedance such as small capacitance the influence of stray capacitance cannot be ignored Figure 5 1 is an example of the use of 4 terminal pair measurement In this figure Cd is connected with Cx in a parallel way and when a conductan...

Страница 57: ...en test leads becomes the main source of test errors except the influence of the contact resistance on test terminals If this coupling cannot be eliminated it will bring unexpected influence on test results Generally contact resistance affects the resistance of impedance and electromagnetic affects the reactance of impedance Test terminals can adopt 4TP connection method For 4TP connection the cur...

Страница 58: ...s kHz the frequency will be changed as 5 000kHz g Move the cursor to LEVEL zone the current displayed level will be 1 000V h Press 1 5 1 5 will be displayed in the prompt information zone at the bottom of the screen The available units mV V μA mA and A will be displayed in the soft key zone Press TRG the level will be changed as 1 5V i Move the cursor to RSOU zone 30Ω 50Ω and 100Ω will be displaye...

Страница 59: ...the tested inductance is in good connection with the test fixture or not b Check the test fixture is in good connection with the test terminals of the instrument or not c Redo the open short correction NOTE When the sweep open short correction is used the point frequency correction function should be set as OFF Refer to Correction operation in this chapter 53 ...

Страница 60: ...ing modes Primary parameter Z Y L C R G Secondary parameter deg phase rad radian D Q RS RP G X B 6 1 3Mathematical operation Operation between the measurement value and the programmable nominal value absolute deviation ABS and percent deviation 6 1 4Equivalent mode Series and parallel 6 1 5Range Auto Manual Hold increase and decrease 6 1 6 Trigger Internal external and manual Internal Test DUT con...

Страница 61: ...ency 10kHz Fast about 40 times s 27ms time Medium about 10 times s 90ms time Slow about 3 times s 300ms time The fast and middle speed will be slow down when frequency 10kHz 6 1 10 Average Be programmable from 1 to 255 6 1 11 Display digit 6 digits max displayed digit 999999 6 2 Test signal 6 2 1 Test signal frequency Test signal is sine wave accuracy 0 01 Frequency range 50Hz 200kHz 6 2 2Signal m...

Страница 62: ... Measurement display range L 0 00001μH 99 9999kH C 0 00001pF 9 99999F Z R X 0 00001Ω 99 9999MΩ Y B G 0 00001μs 99 9999S D 0 00001 9 99999 Q 0 00001 99999 9 θ Deg 179 999 179 999 Rad 3 14159 3 14159 DCR 0 1mΩ 999 999MΩ 6 3 Measurement accuracy Test accuracy includes stability temperature coefficient linear degree test repeatability and calibration inter error Check the accuracy of instrument should...

Страница 63: ...tion Dx Test value 0 1 R G accuracy using condition Qx Q test value 0 1 WhenDx 0 1 L C X B accuracy factor Ae should be multiplied by Dx 1 2 When Qx 0 1 R G accuracy factor Ae should be multiplied by Qx 1 2 Accuracy of G can only be available in G B combination 6 3 2 Accuracy of D The accuracy of D is given by De De Ae 100 The formula is only available when Dx 0 1 When Dx 0 1 De should be multipli...

Страница 64: ...uracy of G is only available in Cp G and Lp G combination 6 3 6 Accuracy of Rp when Dx value of tested D 0 1 The accuracy of Rp is given by the formula below Rp R D D D px e x e Ω Where Rpx is the value of tested Rp with the unit S Dx is the value of test D with the unit F De is the accuracy of D 6 3 7 The accuracy of Rs when Dx value of tested D 0 1 The accuracy of Rs is given by the formula belo...

Страница 65: ...100M 10M 1M 100k 10k 1K 100 10 1 100m 10m 200kHz 20Hz 100Hz 1kHz 10kHz 100kHz 300kHz A B C D 1 2 3 4 4 3 2 1 In figure A select a smaller value on boundary line In this figure the basic accuracy value A can be obtained by the following methods 0 1 When 0 4Vrms Vs 1 2Vrms the test speed is the value A of medium slow and fast 0 2 When 0 4Vrms Vs 1 2Vrms the test speed is the value A When Vs 0 4Vrms ...

Страница 66: ...ble A Impedance rate factors Ka Kb Speed Frequency Ka Kb Medium Slow fm 100Hz Z V f m s m 3 1 10 1 200 1 100 Z V f m s m 9 1 10 1 70 1 100 100Hz fm 100kHz Z V m s 3 1 10 1 200 Z V m s 9 1 10 1 70 100kHz f m 200kHz Z V m s 3 1 10 2 200 Z V m s 9 3 10 1 70 Fast fm 100Hz Z V f m s m 3 2 5 10 1 400 1 100 Z V f m s m 9 2 10 1 100 1 100 100Hz fm 100kHz Z V m s 3 2 5 10 1 400 Z V m s 9 2 10 1 100 100kHz ...

Страница 67: ...Table D Cable length factor Kd Test signal level Cable length 0m 1m 2m 1 5Vrms 0 2 5 10 4 1 50 fm 5 10 4 1 50 fm 1 5Vrms 0 2 5 10 3 1 16 fm 5 10 3 1 50 fm fm test frequency MHz Table E Temperature factor Ke Temperature 0 8 8 18 18 28 28 38 38 48 Ke 4 2 1 2 4 6 3 9 Accuracy of DCR A 1 Rx 5MΩ 16mΩ Rx 0 2mΩ When the instrument is in Middle and slow speed A 0 25 In Fast speed A 0 5 Where Rx is the tes...

Страница 68: ...flashover 6 4 3 Leakage current The leakage current should not be larger than 3 5mA AC effective value 6 5 Electromagnetic compatibility Transient sensitivity based on the requirement of GB6833 4 Conductive sensibility based on the requirement of GB6833 6 Radiated interference based on the requirement of GB6833 10 6 6 Performance test 6 6 1 Working condition All tests should be performed under the...

Страница 69: ...kΩ 4 Standard inductor 100μH 0 02 1mH 10mH 100mH 5 Frequency counter 0 1000 MHz 6 Digital Multimeter 0 5 7 Insulation resistance meter 500V 10 levels 8 Hipot Tester 0 25kW 0 500 V 6 6 3 Function check Ensure function keys displayer and terminal etc can work normally 6 6 4 Test signal level Adjust multimeter in AC voltage range where one test cable is connected to HCUR and the other is connected to...

Страница 70: ... 10kHz 100kHz Test respectively Level 1V Range AUTO Bias 0V Speed Slow Open and short correction should be made before testing Connect standard capacitors 100pF 1000pF 10nF 0 1uF 1uF and change the frequency The error capacitance C between reading and nominal value should be in the range ruled in this chapter dissipation D should be in the range ruled in this chapter 6 6 8 Accuracy of L Test condi...

Страница 71: ... Test frequency 100Hz 1kHz 10kHz 100kHz Test respectively Level 1V Range AUTO Bias 0V Speed Slow Open and short correction should be made before testing Connect standard AC resistors 10Ω 100Ω 1kΩ 10kΩ 100kΩ and change the frequency The error between reading and nominal value should be in the range ruled in this chapter 65 ...

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