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1+Qx

2

The accuracy of G can only be used when measuring combinations in G-B.

6.1.18 D accuracy

D accuracy De is given by the following

Ae

De =±100
The upper form is used only when Dx is ≤ 0.1.
When Dx>0.1, De should be multiplied by (1+Dx).

6.1.19 Q accuracy

Q accuracy is given by the following

Qe =± Qx*De

1μQx*De

Here,Qx is the value of the measured Q.
De is the accuracy of D.
Upper conditions of use Qx*De<1

6.1.20 θ accuracy

Θ accuracy is given by the following:
θe =(180divided by π) multiply by (Aedivided by100)

[deg]

6.1.21 G accuracy

When Dx (measured D value) ≤0.1
G accuracy is given by the following:

Ge = Bx* De

[S]

Bx = 2πfCx =1divided by2πfLx

Here,Bx is the value of the measured B [S].
Cx is the value of the measured C [F].
Lx is the value of the measured L [H].
De is the accuracy of D.
F is test frequency
The above G accuracy is used only in the combination of Cp-G and Lp-G.

6.1.22 Rp Accuracy

When Dx (measured D value) ≤0.1
Rp accuracy is given by the following:Rp =(Rpx* De) divided by(Dx*De)

[Ω]

Here,Rpx is the value of the measured Rp [S].

Содержание JK2817N

Страница 1: ......

Страница 2: ...an Electronic Technology Co Ltd No C3 Building 22 New Impetus Pioneering Center No 1 Qingyang North Road Tianning District Changzhou Jiangsu CN TEL 0086 519 85563477 FAX 0086 519 85565067 https jinailian en alibaba com www jk17 com www jinko tech com ...

Страница 3: ...UP 2 4 3 System setup main menu key SETUP 2 5 basic operation Chapter three DISP Menu key description 3 1 element measurement display page 3 1 1 test function 3 1 2 test range 3 1 3 test frequency 3 1 4 test level 3 1 5 DC bais 3 1 5 test speed 3 1 6 other tools 3 2 BIN number display page 3 2 1 Comparator function 3 2 BIN count display page 3 2 1 parameter 3 2 2 nominal 3 2 3 BIN 3 2 4 Upper and ...

Страница 4: ...ations and some examples 5 1 Zero clearing correction operation 5 1 1 Full frequency reset 5 1 2 Point frequency zero It is better to use a single frequency test 5 2 The correct connection of the tested components 5 3Eliminating the influence of stray impedance 5 4 JK2817N test inductor fast operation example 5 5 JK2817N used for multi frequency list scanning to test capacitance fast operation 5 6...

Страница 5: ...sistance DCR accuracy 6 1 26 leakage inductance Lk accuracy 6 2 safety requirements 6 2 1 insulation resistance 6 2 2 insulation strength 6 2 3 leakage current 6 3 electromagnetic compatibility requirements 6 4 performance testing 6 4 1 working conditions 6 4 2 test instruments and equipment are shown in the table below 6 4 3 function check 6 4 4 test signal level 6 4 5 frequency 6 4 6 measurement...

Страница 6: ...interference caused by AC power input However it should be used in low noise environment as far as possible If unavoidable install power filter Warning In order to prevent leakage of electricity to the instrument or human damage users must ensure that the power supply to the ground reliable connection 1 3 Fuse The instrument has been equipped with fuses and users should use the fuse provided by ou...

Страница 7: ...ensure good contact between the device under test and the fixture Connect the test fixture or cable to Hcur Hpot Lcur and Lpot of the front panel of the instrument For the tested parts with shielding shell The shielding layer can be connected to of the instrument Note when the test fixture or test cable is not installed the instrument will display an unstable measurement result 1 6 Preheat 1 To en...

Страница 8: ...e the last number function Note long pressing the decimal point key is equivalent to the function of copying screen KEYLOCK key Press KEYLOCK key The KEYLOCK button will be lit to indicate that the current panel key function is locked Press the KEYLOCK button again and the KEYLOCK button will go out which means that the keyboard is released If the command function is set to ON enter the correct co...

Страница 9: ...ggered manually test terminal UNKNOWN The four terminal test terminal is used to connect the four end test fixture or test cable to measure the measured parts Current Motivating high end Hcur Voltage sampling high end Hpot Voltage sampling low end Lpot Current Motivating low end Lcur LCD liquid crystal display 480x272 Color TFT LCD display display measurement results measurement conditions etc sof...

Страница 10: ...ctional definition of soft keys The definition of a soft key has different functions as the location of the cursor is different 3 Measurement result condition display area This area displays test results and current test conditions 2 4 Main menu key and corresponding display page 2 4 1 Display main menu key DISP When the function of the LCR Meter is used it is used to enter the component measureme...

Страница 11: ...gs list Settings System Settings 2 4 3 System setup main menu button SETUP For entering the system settings home page Mainly on the system settings file list function menu start button The functional pages of this part include System Settings System Settings Default Settings system reset 2 5 basic operation The basic operation of JK2817N is as follows Use menu key DISP SETUP and soft key to select...

Страница 12: ...on frequency level range speed Each control function domain will be explained in detail in the following paragraphs The test results condition display area on this display page shows the following test condition information These conditions can be set on the measurement Settings page or user correction page Signal source voltage current monitoring Vm Im Open circuit short circuit load correction O...

Страница 13: ... secondary parameters are displayed under the main parameter Measure function settings steps 1 use cursor keys to move the cursor to the function domain and the following soft keys will be displayed Cp Cs Lp Ls more 1 3 2 Press Cp Soft key The following parameters will be selected Cp D Cp Q Cp G Cp Rp Return Press the corresponding soft key select the required parameters press the return soft key ...

Страница 14: ...ess the corresponding soft key select the required parameters press the return soft key return to previous soft key menu Press more soft keys to Select the previous group of soft keys 6 Press Ls Soft key The following parameters will be selected Ls D Ls Q Ls Rs Ls Rd Return 口 Press the corresponding soft key select the required parameters press the return soft key return to previous soft key menu ...

Страница 15: ...d parameters press the return soft key return to previous soft key menu 3 1 2 Test range The test range is selected according to the impedance value of the tested LCR element JK2817N has 11 AC test ranges 1Ω 3Ω 10Ω 30Ω 100Ω 300Ω 1kΩ 3kΩ 10kΩ 30kΩ 100kΩ Test range setting Operation steps 1 Use cursor keys to move cursors to range fields The screen will display the following soft keys automatic The ...

Страница 16: ...he soft key is frequency increase coarse adjustment key Each time the key is pressed the frequency increases in the six typical frequency points of the following table The frequency points that can be set with this soft key are as follows Model frequency points JK2817N 50Hz 60Hz 75Hz 100Hz 120Hz 150Hz 200Hz 250Hz 300Hz 400Hz 500Hz 600Hz 750Hz 1 kHz 1 2kHz 1 5kHz 2kHz 2 5kHz 3kHz 4kHz 5kHz 6kHz 7 5...

Страница 17: ...te If the input frequency is not the frequency supported by JK2817N JK2811B it is automatically corrected above the frequency point nearest to the input frequency 3 1 4 Test level The test level of JK2817N JK2811B is set according to the valid value of the sine wave signal The frequency of the sine wave is the test frequency and is generated by the internal oscillator of the instrument You can set...

Страница 18: ...eed JK2817N JK2811B test speed is mainly determined by the following factors Integration time A D conversion Average times average number of measurements per time Measurement delay from start up to start testing time Measurement results show time Generally speaking when testing slowly the test results are more stable and accurate You can choose 3 test speeds FAST fast MED medium speed and SLOW slo...

Страница 19: ...cancel and return to floating decimal point display in the following cases Test function change In the bias test the deviation test method ABS OFF was changed 3 2 BIN number display page Press the menu key DISP then press the soft key No DISP and enter the BIN number display page The BIN number display page number is displayed in large characters and the current test results are displayed in norma...

Страница 20: ... page The comparison field allows you to set the comparison function ON or OFF Comparative function Operation steps 1 Move the cursor to the comparison domain The soft key area of the screen displays the following soft keys ON OFF 2 Use the soft key to set the comparison function to ON open or OFF close 3 2 BIN count display page Press the menu key DISP then press the soft key count enter the BIN ...

Страница 21: ...shown below the area 3 2 6 Auxiliary AUX This area shows the BIN value of the current ancillary BIN 3 2 7 Super difference OUT This area shows the present BIN Count value of the Differential BIN BIN counting function operation steps Perform the following operations Set the BIN counting function ON OFF on the bin count display page 1 In the BIN count display page move the cursor to the counting fie...

Страница 22: ...l Deviation test A mode deviation A Deviation test B mode deviation B Deviation test A reference value reference A Deviation test B reference value reference B Some of the settings in the Measurement Settings page are the same as those in the Component Measurement Display page The settings are listed below These settings were explained earlier and are not explained in this section The other settin...

Страница 23: ...t keys internal Manual external 1 use the soft key to set the trigger mode of INT internal MAN manual EXT external 3 3 2 Automatic level control function The automatic level control function can adjust the actual test level the voltage at both ends of the test piece or the current flowing through the test piece to the value of the test level you set Using this function the test voltage or current ...

Страница 24: ...tance test modes ALT FIX At present only ALT mode is allowed ALT mode is positive negative DC voltage measurement FIX is locked positive voltage measurement The ALT mode is conducive to degaussing when measuring the DC resistance of the inductor and the measuring value is more accurate Perform the following steps to set the polarity of DC resistance measurement 1 move the cursor to the DCR polar d...

Страница 25: ...s at the same time The instrument provides two kinds of deviation test methods as follows ΔABS mode absolute deviation mode The current display deviation is the difference between the test value of the tested part and the set reference value Formula for calculating the deviation of ΔABS As below ΔABS X Y Here X The measured values of the current measured parts Y Preset reference values Δ mode perc...

Страница 26: ...soft keys to measure or use numeric keys to input reference values of secondary parameters This step can be skipped if the reference values of the primary and secondary parameters have been set in step 2 using the measurement soft key 5 Move the cursor to the deviation A field The soft key area of the screen displays the following soft keys ABS OFF 6 Use the above soft key to set the deviation of ...

Страница 27: ...e frequency 1 and frequency 2 setting domain 3 4 1 Open circuit correction The open circuit correction function of JK2817N JK2811 B can eliminate the error caused by the stray admittance G B in parallel with the measured element as shown in Figure 3 1 Fig 3 1 spurious admittance JK2817N JK2811B adopts the following two open circuit correction data JK2817N performs open circuit calibration tests on...

Страница 28: ... the following soft key is displayed stop The soft key can stop the current open circuit correction test operation and retain the original open circuit correction data 4 press the soft key DCR open circuit JK2817N will conduct open circuit resistance measurement under DC resistance function 5 Press the soft key ON to make the open circuit correction effective JK2817N will conduct open circuit corr...

Страница 29: ...r Correction page frequency 1 frequency 2 Move the cursor to frequency 1 frequency 2 Use soft key short circuit single frequency zero clearing to correct the two set frequencies respectively Short circuit correction function operation steps Short circuit correction includes full frequency short circuit correction with insertion calculation method and single frequency short circuit correction with ...

Страница 30: ...uit correction function No more short circuit correction calculation will be carried out in the future measurement process 3 6 limit table setting page Press menu key SETP and press the soft key LMTSET to enter the limit table setting page Figure In this page you can set the function of the instrument comparator JK2817N can set the BIN limit of 9 main parameters and the BIN limit value of a auxili...

Страница 31: ...ording to the soft key adjustment parameters the main parameters and the auxiliary parameters are interchanged and restored to the original settings 3 5 2 Comparative functional limit mode The comparison function provides the following two main parameter limit setting modes as shown in Figure 3 3 Fig 3 3 tolerance mode and continuous mode Tolerance mode In the tolerance mode the deviation value fr...

Страница 32: ... Nominal value setting operation steps 1 Move the cursor to the nominal set field 2 Enter the nominal value with the numeric key When the data is entered the nominal value can be entered with the soft key subscript p n m k M 1 When entering the nominal value according to the soft key 1 the nominal value selects F H or Ω according to the main parameter as the default unit 3 5 4 Comparator function ...

Страница 33: ...ue the auxiliary BIN is set to ON If the main parameters of the part under test are within the limit setting range and the auxiliary parameters are less than or equal to the lower limit value of the auxiliary parameters the part under test is sorted into the auxiliary BIN Similarly when the auxiliary parameters only sets the upper limit value and the auxiliary file is set to ON if the main paramet...

Страница 34: ...ically jump to the upper limit set area of 2nd 6 Input the upper limit of the auxiliary parameters 7 Use the numeric key to enter the lower limit of BIN1 in the lower limit setting field of BIN1 When data is entered you can use the subscript soft key to determine the input data p n µ m k M 1 to determine the input data When the soft key 1 is used the limit value is F H or Ω as the default unit 8 A...

Страница 35: ...Turn off the button sound function 4 1 3 U disk switch This area is used to control and display the current instrument U switch settings operation steps 1 Move the cursor to the key U disk switch The soft key area of the screen displays the following soft keys ON OFF 2 Press ON Turn on the function of U disk switch press OFF Turn off the function of U disk switch 4 1 4 Display language This area i...

Страница 36: ...as user correction page b Move the cursor to the open circuit area ON OFF and open circuit full frequency clearing will be displayed in the soft key area c Keep the test fixture open circuit press open circuit full frequency zero clearing to perform open circuit correction until the status information prompt area shows open circuit correction is completed d Press ON Open the calibration function o...

Страница 37: ...it correction function of the instrument f Moving cursor to load area ON OFF will be displayed in the soft key area g Press OFF turn off the load correction function of the instrument h Moving cursor to frequency 1 area ON OFF Open circuit single frequency clearing Short circuit single frequency clearing and load correction will be displayed in the soft key area i Press ON Turn on frequency 1 poin...

Страница 38: ...0 kHz Kelvin test line is difficult to meet the test requirements Because at high frequencies the change of the gap between the wires directly changes the stray capacitance and inductance of the test terminal and the test wire is always difficult to fix Therefore the test fixture should be used as much as possible when measuring at higher frequencies If the test fixture can not be used because of ...

Страница 39: ... Ch and Cl will be eliminated When the measured part is low impedance such as small inductance large capacitance Due to the large current flowing through the measuring line Hc and Lc besides the influence of the contact resistance at the testing end the electromagnetic coupling between the measuring lines becomes the main source of the measurement error Without eliminating the coupling the unexpec...

Страница 40: ...y 5 5 displays the cursor area on the screen and the soft key area displays the available units Hz kHz and MHz press kHz will change the frequency area to 5 000kHz g Move the cursor to the level area The current area is displayed as1 000V h Key 1 5 1 5 displays the cursor area on the screen and the soft key area displays the available units mV V uA mA and A press V the level area will be changed t...

Страница 41: ...s Function Cp D Level 1Vrms Other parameters are as follows Frequency Comparison parameters Low High 1kHz Cp capacity 325 0nF 333 0nF 10kHz D loss 0 0001 0 0003 100kHz D loss 0 0060 0 0100 BEEP HIGH LONG High Long voice Alarm mode OUT ultra time The steps are as follows 1 starting up refer to the starting up section of the chapter panel instruction and entry operation 2 basic parameter setting a K...

Страница 42: ...he parameter area of scan point 2 l Key 10 10 will display the cursor area in the screen nd the soft key area displays the available units Hz kHz and MHz press kHz This area is changed to 10 0000k m Key Move the cursor to the LMT area of scanning point 2 showing the current area as At this time Limit data A Limit data B and OFF will be displayed in the soft key area n Key Limit data B Select Compa...

Страница 43: ...nected with the test end of the instrument c Re open reliable open circuit short circuit correction Note When the user is using sweep open short circuit correction the point frequency correction function must be selected as OFF referring to the zero clearing correction operation in this chapter 5 6 Comparator setup instance JK2817N provides a more complete comparator function to facilitate the mea...

Страница 44: ... off When the loss is not qualified the whole is judged to be unqualified Explain 3 Since the given upper and lower bounds are based on the percentage deviation of the nominal 270pF value the TOL percentage mode is chosen as the main parameter Specific settings 1 In component measurement display page Meas select Cp D set frequency level speed and so on 2 Press the SETUP menu key to enter the Meas ...

Страница 45: ...is displayed as Cp D At this point Cp Cs Lp Ls Z More will be displayed in the soft key area on the right side of the screen j press key Cp D select Cp D parameter k Move the cursor to the frequency 1 area ON OFF Open circuit single frequency clearing short circuit single frequency clearing and load correction will be displayed in the soft key area l press ON key Open the point frequency correctio...

Страница 46: ...he spring of the test fixture u Load correction is performed according to soft key load correction 2 Matters needing attention a Because the software version of the instrument may not be consistent the soft key information and status information displayed by the instrument will not be consistent with the book but should not affect the user s understanding b Load correction is only valid for device...

Страница 47: ...ting state again 6 1 5 Trigger delay Delay time measure the time from trigger to start measurement 0 60 seconds 1ms step programmable 6 1 6 Test end connection mode Four terminal measurement method is adopted Hcur Current sampling high end Lcur Current sampling low end Hpot Voltage sampling high end Lpot Voltage sampling low end 6 1 7 Measuring speed frequency 10kHz Fast speed about 30 times sec 1...

Страница 48: ...mal constant current 5OμARMS 100mARMS 100μARMS 50mARMS 10 Set value 10μARMS 6 Set value 10μARMS 1μA 6 1 13 Output impedance 30Ω 100Ω 2 Optional 6 1 14 Test signal level monitor Mode Range Accuracy Voltage 5mVRMS 2VRMS 0 01mVRMS 5mVRMS 3 Reading 0 5mV 12 Reading 0 1mV Current 50μARMS 20mARMS 0 001μARMS 50μARMS 3 Reading 5μA 12 Reading 1μA 6 1 15 Measurement shows maximum range Parameter Measurement...

Страница 49: ...ion and the instrument range is at AUTO to select the correct measurement range 6 1 17 Z Y L C R X G B accuracy Ae is the accuracy of Z Y L C R X G B expressed in the following way Ae A Ka Kb Kc 100 Kd Kf Ke A Basic measurement accuracy see figure A Ka Impedance scaling factor see table A Kb Impedance scaling factor see table A Kc Calibration interpolation factor see table B Kd Cable length factor...

Страница 50: ... 20 θ accuracy Θ accuracy is given by the following θe 180divided by π multiply by Aedivided by100 deg 6 1 21 G accuracy When Dx measured D value 0 1 G accuracy is given by the following Ge Bx De S Bx 2πfCx 1divided by2πfLx Here Bx is the value of the measured B S Cx is the value of the measured C F Lx is the value of the measured L H De is the accuracy of D F is test frequency The above G accurac...

Страница 51: ...fLx 1divided by 2πfCx Here Xx is the value of the measured X S Cx is the value of the measured C F Lx is the value of L measured H De is the accuracy of D F is test frequency 6 1 24 Accuracy factor Figure A basic measurement accuracy A In figure A a smaller value is selected on the boundary line In figure A the basic accuracy A value selection method is as follows ...

Страница 52: ...cient A see figure B A multiplied by Ar to get the current basic measurement accuracy A Here Vs is the test signal voltage Figure B basic accuracy correction curve test signal voltage Table A impedance scaling factor Ka Kb Speed Frequency Ka Kb Medium speed slow speed fm 100Hz 1 10 3 200 100 Z m 1 Vs 1 fm 70 100 Zm 1 10 9 1 Vs 1 fm 100Hz fm 100kHz 1 10 3 200 Z m 1 Vs 70 Zm 1 10 9 1 Vs 100kHz fm 20...

Страница 53: ...ibration frequency 0 Other frequencies 0 003 Table C direct calibration frequency 20 25 30 40 50 60 80 Hz 100 120 150 200 250 300 400 500 600 800 Hz 1 1 2 1 5 2 2 5 3 4 5 6 8 kHz 10 12 15 20 25 30 40 50 60 80 kHz 100 120 150 200 kHz 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 Correction f...

Страница 54: ... current The leakage current should not be greater than 3 5mA AC effective value 6 3 EMC requirements The transient sensitivity of the measuring instrument is according to the requirements of GB6833 4 The conduction sensitivity of the meter is according to the requirements of GB6833 6 The radiation interference of the measuring instrument is according to the requirements of GB6833 10 6 4 performan...

Страница 55: ...level A digital multimeter is placed in the AC voltage range with one test bar connected to the HCUR end of the meter and the other test bar to the ground end The change level is 10mV 20mV 100mV 200mV 1V 2V The reading value should conform to the requirements of the test signal level in this chapter 6 4 5 Frequency The ground terminal of the frequency meter is connected with the grounding end of t...

Страница 56: ...citance C between instrument reading and standard value shall be within the allowable error range stipulated in this chapter for C accuracy and the loss D shall be within the allowable error range stipulated in this chapter for D accuracy 6 4 8 Inductance L accuracy Test conditions Function Ls Q Test frequency 100Hz 1kHz Separate test Level 1V Range AUTO Bias 0V Speed Slow Short circuit and open c...

Страница 57: ...within the allowable error range specified in this chapter with respect to the accuracy of Z 6 4 10 DC resistance DCR accuracy Test conditions Function DCR Test frequency Level Range AUTO Bias Speed Slow Short circuit shall be cleared before testing Access DC standard resistor 0 1Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ 100kΩ The error between instrument readings and standard values shall be within the allowable er...

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