JK2830 Operation Manual Contents Contents Chapter 1 Out of Box Audit ..............1 To Inspect the package ............1 Power connection ..............1 Fuse ..................1 Environment ................. 2 Use of Test Fixture ..............2 Warm-up ................2 Other features ............... 3 Chapter 2 Introduction ................
Page 4
JK2830 Operation Manual Contents 3.4.4 Delay time ..............24 3.4.5 Output impedance ............24 3.4.6 Deviation test function .............25 3.4.7 DC bias ................26 <LIMIT TABLE> ..............27 3.5.1 Swap parameter ..............27 3.5.2 Limit modes of compare function ........28 3.5.3 Set nominal value of tolerance mode ........29 3.5.4...
Page 5
JK2830 Operation Manual Contents Eliminate the influence of stray impedance .......19 Operation example for testing inductance with JK2830 ....21 Chapter 6 Performance and Test ............23 Test function ................23 6.1.1 Parameter and symbol .............23 6.1.2 Test combination .............23 6.1.3 Mathematical operation ............23 6.1.4...
Page 6
JK2830 Operation Manual Contents 6.6.7 Accuracy of C and D ............33 6.6.8 Accuracy of L ..............33 6.6.9 Accuracy of Z ..............34 Announcement The description of the 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.
JK2830 Operation Manual Chapter 1 Out of Box Audit Chapter 1 Out of Box Audit When you receive the instrument, some inspections are necessary, and the condition must be understood and available before installing the instrument. 1.1 To Inspect the package Inspect the shipping container for damage after unpacking it.
JK2830 Operation Manual Chapter 1 Out of Box Audit 1.4 Environment 1) Please do not operate the instrument in the place that is vibrative, dusty, under direct sunlight or where there is corrosive air. 2) The normal working temperature is 0℃~40℃, relative humidity ≤75%, so the instrument should be used under above condition to guarantee the accuracy.
JK2830 Operation Manual Chapter 1 Out of Box Audit 1.7 Other features 1) Power: consumption power≤20VA. 2) Dimension (W*H*D): 235mm*105mm*345mm 3) Weight: About 3.25kg.
JK2830 Operation Manual Chapter 2 Introduction Chapter 2 Introduction In this chapter, the basic operation features of JK2830 are described. Please read the content carefully before using JK2830 instruments, thus you can learn the operation of JK2830. 2.1 Introduction to front panel Figure 2-1 shows the front panel of JK2830.
Page 11
JK2830 Operation Manual Chapter 2 Introduction Press this key, the buzzer will beep, which means the function of current panel is locked. Press it again, it will be off, which means discharging the lock status. If the password function is ON, it means correct password is necessary when discharging the key-lock, or the key cannot be unlocked.
JK2830 Operation Manual Chapter 2 Introduction 2.2 Introduction to rear panel Figure 2-2 shows the rear panel of JK2830. 1) External trigger interface Handler interface is used to realize the sorting output of test results. 2) HANDLER interface Handler interface is used to realize the sorting output of test results.
JK2830 Operation Manual Chapter 2 Introduction 2.3 Introduction to display zone JK2830 applies a 65k, 4.3-inch TFT display. The display screen is divided into the following zones: Figure 2-3 display zones 1) Display page name Indicate the name of the currently displayed page.
JK2830 Operation Manual Chapter 2 Introduction 2.4 Main menu keys and corresponding displayed pages 2.4.1 [MEAS DISP] Press this key-[MEAS DISP] to enter into the LCR measurement display page, the following soft keys will be displayed in the soft key zone.
JK2830 Operation Manual Chapter 2 Introduction 2.5 Basic Operation Basic operation of JK2830 is as follows: Use menu keys ([MEAS], [SET]) and soft keys to select the desired page. ◼ Use cursor keys ([←][→]) to move the cursor to the desired zone. When the ◼...
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] Chapter 3 Introduction to [MEAS DISPLAY] 3.1 <MEAS DISPLAY> Press [MEAS], the <MEAS DISP> page will be displayed on screen as shown in the following figure. On this page, the test result is displayed. The measurement control parameters...
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] 3.1.1 Test function In a measurement period, JK2830 can test two parameters for an impedance component. Parameters that can be tested are as follows: Primary parameters |Z| (Module of impedance) ◼...
Press the soft key corresponding to your desired parameter. Then press RETURN to return to upper soft key menu. 3.1.2 Test range Measurement range should be selected in accordance with the impedance value of the tested LCR component. JK2830 has 5 AC measurement ranges: 30Ω, 100Ω, 1kΩ, 10kΩ and 100kΩ.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] When the output impedance is selected as 30Ω and 50Ω, JK2830 has 6 AC measurement ranges: 10Ω, 30Ω, 100Ω, 1kΩ, 10kΩ and 100kΩ. Operation steps for setting test range: 1) Move the cursor to the range zone, the following soft keys will be displayed: AUTO The soft key is used to set the range mode to AUTO.
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.
4) Use above soft keys to set the output impedance. 3.1.7 Tools 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. Meanwhile this function can change the displayed count of test result. This displayed result can be selected to be shown in large character or small character.
Page 22
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] EASY ◼ START SAVE CSV ◼ 2) Press D.P.FIX A to lock the decimal location of primary parameter TEST result. When the decimal location is locked,“▲” is displayed. Press D.P.FIX A once,the last digit will be deleted, and the displayed digit will be reduced by...
◼ 3.2.1 Comparator function JK2830 has an inserted compare function which can divide DUT to up to 4 bins (from BIN1 to BIN3 and BIN OUT). Users can set 3 pairs of primary parameter limit and one pair of secondary bin limit. If the primary parameter of DUT is within...
DUT will be sorted into the auxiliary bin. When JK2830 has installed an HANDLER interface, the compare result will be output into the automatic test system and further realizing auto-sorting test.
<LIST SWEEP SETUP>. 3.3.1 Sweep mode The list sweep function of JK2830 can make automatic sweep test for up to 100 points’ test frequencies, test levels or DC bias. Two sweep modes are available on JK2830: SEQ and STEP.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] ——————————————————————————————————————— NOTE: When the trigger mode is set to INT, sweep test modes of SEQ and STEP will not be controlled by [TRIG]. When the trigger mode is set to MAN, [TRIG] can be used to trigger the list sweep test.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] 3.4 <MEAS SETUP> Press [ SET] to enter into the <MEAS SETUP> page shown as below: In this page, the following control parameters can be set. (Items in parenthesis can be set) Test function (FUNC) ◼...
When the trigger mode is set as INT, JK2830 will make sequential and repeated tests. When the trigger mode is set as MAN, press [TRG] once, JK2830 will make one test. When the trigger mode is set as EXT, once the HANDLER interface receives a positive impulse, JK2830 will execute one measurement.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] This key is used to increase the average times. ↓(-) ◼ This key is used to decrease the average times. 2) Use above soft keys to set the average times or use numeric keys and [ENTER] input average times directly.
After pressing a numeric key, the following unit keys will be displayed. These soft keys can replace [ENTER] to input delay time. ◼ ◼ 3.4.5 Output impedance JK2830 provides four output impedances for your choice: 100 Ω, 50 Ω and 30 Ω.
◼ When the reference component is connected with the test terminal, you should press MEAS. Then JK2830 will test the reference component and the test result will be automatically input as the value of REF A. 2) Use MEAS or numeric keys to input the reference value of primary parameter.
JK2830 provides 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.
Press [SET] and then LIMIT TABLE to enter into the <LIMIT TABLE> page as the following figure shown. Compare function can be set on this page. JK2830 can set 3 bin limits of primary parameters and one of secondary parameters. The tested result can be divided into up to 4 bins (BIN 1 to BIN 3 and BIN OUT).
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] Operation steps for the swap parameter function Execute the following operations to swap the primary and the secondary parameters. 1) Move the cursor to FUNC, the following soft key will be displayed.
3.5.4 Comparator function ON/OFF JK2830 can set 3 bin limits of primary parameters and 1 bin limit of secondary parameters. The tested results can be sorted into 4 bins (BIN 1 to BIN 3 and BIN OUT) at most. If the primary parameter of DUT is within the limit range from BIN 1 to BIN 3, but the secondary parameter is out of the limit range, in this case the DUT will be sorted into aux bin.
2) Use above soft keys to set the auxiliary function as ON or OFF. 3.5.6 HIGH/LOW JK2830 can set bin limits of 3 primary parameters and one secondary parameter. The test results can be sorted into 4 bins at most (BIN 1 to BIN 9 and BIN OUT).
3.6 <CORRECTION> Open and short correction can be used to eliminate the distribution capacitance, spurious impedance and other measurement errors. JK2830 provides two correction modes: the first one is executing open and short correction on the <MEAS DISP> page; the other one is executing open, short and load correction on the <CORRECTION>page.
Page 38
JK2830 provides two correction modes: the first one is executing open and short correction on all frequency points through interpolation method; the other one is executing open, short and load correction on the frequency point currently set.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] 3.6.1 OPEN The open correction function of JK2830 can eliminate the error caused by the stray admittance (G, B) parallel-connected with DUT, shown as figure 3-2. Figure 3-2 Stray Admittance JK2830 adopts the following two kinds of open correction data: JK2830 will automatically make open correction test on 41 fixed frequency ◼...
This soft key can be used to terminate the current open correction operation and reserve the formal open correction data. 4) Press ON to turn on the function of open-circuit correction, then JK2830 will perform open-circuit correction calculation in the later testing process. IF SPOT FREQ is set as OFF, the open-circuit correction data of the current frequency will be calculated by imbedding algorithm.
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 eliminate the test error. It is obvious that open, short, and load correction can be performed at preset frequencies. The 10 preset frequencies can be set in the setup zones of SPOT NO..
Page 42
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] ↑(+) ◼ This is a fine adjustment soft key used to increase series number of frequency. ↓(-) ◼ This is a fine adjustment soft key used to decrease series number of frequency.
JK2830 Series Operation Manual Chapter 3 Introduction to [DISP] B line. 11) Prepare a standard test component. 12) Move the cursor to FUNC. 13) Set the function parameters required to be set. 14) Move the cursor to REF A. 15) Use numeric keys and unit keys to input the primary reference values of the standard component.
2) Connect test fixture to test terminal. The fixture is open and not connecting to any DUT. 3) Press SPOT OPEN, JK2830 will make open correction on the current frequency. 4) Press SWEEP OPEN, JK2830 will test the open admittance (capacitance and inductance) under 37 frequencies.
Press [SET] and then LIST SETUP to enter into the <LIST SETUP> page as shown below. The list sweep function of JK2830 can perform auto sweep test for the test frequency, test level or bias voltage of 100 points. On <LIST SETUP> page, the...
JK2830 Operation Manual Chapter 4 System and FILE Chapter 4 SYSTEM and FILE 4.1 <SYSTEM> Press [SET] to enter into the <SYST SETUP> page shown as below. On this page, most system setup items are displayed, such as instrument skin, language, PASS alarm, FAIL alarm, password, bus mode, GPIB address, baud rate, data/time.
JK2830 Operation Manual Chapter 4 System and FILE This soft key is used to select English as the operation language. ◼ 中文 This soft key is used to select Chinese as the operation language. 4.1.3 PASS ALARM This zone is used to control and display the beep mode when the test result is qualified.
JK2830 Operation Manual Chapter 4 System and FILE 4.1.6 PASSWORD This zone is used to display the password –protection mode. Operation steps for setting the password 1) Move the cursor to Password, the following soft keys will be displayed. ◼...
JK2830 Operation Manual Chapter 4 System and FILE 2) Use above soft keys to select the required interface bus. ——————————————————————————————————————— Note: GPIB optional must be installed before GPIB mode is available. ——————————————————————————————————————— 4.1.9 BAUD RATE Baud rate is used select the baud rate of the RS232C interface. The available baud rate of this instrument is from 4.800k to 115.200k.
JK2830 Operation Manual Chapter 4 System and FILE 4.1.12 FIRMWARE UPDATE 1) Press FIRMWARE UPDTE enter into the <FIRMWARE UPDATE> page shown as below. 2) Press UPDTE, the following soft keys will be displayed. ◼ ◼ 3) Press YES soft key to update the firmware of the instrument.
Chapter 4 System and FILE 4.2 <FILE> JK2830 instrument can save the user-set parameter to the nonvolatile memory in the form of file, so when use the same setting next time user can load a corresponding file to obtain the parameter set and used last time. By doing so, it can save the time of setting parameter and improve the production efficiency.
4.2.2 U-disk manage performance As described above, JK2830 has a standard configuration of USB HOST interface, so the external U-disk can be used as the memory media. In this condition, it breaks the memory limit of 100 groups of *.EST files. Meanwhile those files can be copied to IBM PC or compatible desk-top computer, laptop with USB interface to reach the infinite extension.
Page 54
6) Use numeric keys to input the current file name and press [ENTER]. Then JK2830 will save the control and setting parameters as a file in this name. B. Load the control and setting parameters from a file by the following steps 1) Press [FILE], the file list and the following soft keys will be displayed.
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples Chapter 5 Execute LCR operation and some examples 5.1 Correct connection of DUT There are 4 pairs of test terminal: Hcur, Hpot, Lpot, Lcur and corresponding shielding terminal of each terminal.
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.
Page 57
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples measurement result will have errors. If a ground conductor is installed between high and low terminals, Cd can be reduced to Min. Meanwhile if the ground terminal is connected to the conductance plate, the influence of Ch and Cl will be eliminated.
Press 100Ω to select 100Ω as the signal internal impedance. 3) Connect the test fixture (U26005) to the test terminals of JK2830. 4) Execute correction (To avoid the influence of stray impedance on measurement accuracy, Open/ Short correction must be operated).
Page 59
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 7) If the test result is obviously incorrect, please check the following items. a) Check 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.
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples Chapter 6 Performance and Test 6.1 Test function 6.1.1 Parameter and symbol C:capacitance L:Inductance DCR: DC resistance R:resistance Z:impedance Y:Admittance X:reactance B:susceptance G:Conductance D:dissipation :phase angle Q:Quality factor 6.1.2 Test combination Parameters described above are combined in the following modes: Z,Y...
Delay time: time from trigger to start. 0 to 60s are programmable with a resolution of 1ms. 6.1.8 Connection modes of test terminals JK2830 adopts 4-terminal test method. HD(Hcur): current sample high terminal LD(Lcur): Current sample low terminal HS(Hpot):voltage sample high terminal LS(Lpot): Voltage sample low terminal 6.1.9 Test speed (Frequency>=10kHz)
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.2.3 Test signal level Mode Range Accuracy Resolution ±(10%×preset value+2mV) 10mV Voltage Normal 10mV —2V 6.2.4 Output impedance 30Ω, 50Ω and 100Ω are selectable. 6.2.5 Monitor for test signal level...
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.3.1 Accuracies of │Z│,│Y│, L, C, R, X, G, B The accuracy Ae of │Z│,│Y│,L,C,R,X,G and B are expressed as: = ±[A+(K )×100+ K ]×K A: basic test accuracy(figure A)...
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples θe = [deg] 6.3.5 Accuracy of G When Dx (tested value of D)≤0.1 The accuracy of G is given by the formula below: ×D 2 fL = 2πfC Where, B is the value of tested B with the unit [S].
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.3.8 Accuracy factor Figure A shows the basic measurement accuracy A. 100kH 10kH [OHM] 10pF 100fF 10pF 100H 100pF 100M 100n 1.5M 10nF 100mH 100nF 100k 10mH 100u 0.05...
Page 66
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples modification coefficient A (refer to figure B), the current basic measurement accuracy A is obtained by multiplying A got in step 1 with A Figure B is the basic accuracy modification curve, where V is the test signal voltage.
Table C Direct Calibrated frequency [Hz] [Hz] [kHz] [kHz] [kHz] There are 43 frequencies in table C, there is no 250kHz and 300kHz in JK2830. Table D Cable length factor K Cable length Test signal level 2.5×10 ) 5×10 ≤1.5V (1+50×f...
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples Under humility condition, the insulation resistance between voltage terminal and instrument jacket should not be smaller than 2 MΩ. 6.4.2 Insulation intensity Under reference working condition, the insulation between the power terminal and the instrument jacket should bear an AC voltage (50Hz frequency and 1.5kV...
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.6.2 The used instruments and devices Instrument and Device Specification 100pF 1000pF 10000pF 0.02% Standard capacitor 10nF D is known 0.1uF 10Ω 100Ω 0.02% 1kΩ standard resistor 10kΩ 100kΩ...
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.6.5 Frequency Connect frequency meter to ground terminal. The test terminal of the frequency meter is connected with H Change the frequency as: 20Hz, 100Hz, 1kHz, CUR. 10kHz, 100kHz, 200kHz. The reading of frequency meter should meet the demand of the test signal frequency in this chapter.
Page 71
JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples 6.6.9 Accuracy of Z Test condition: Function Z-θ Test frequency 100Hz 1kHz 10kHz 100kHz Test respectively Level Range AUTO Bias Speed Slow Open and short correction should be made before testing. Connect standard AC resistors: 10Ω, 100Ω, 1kΩ, 10kΩ, 100kΩ...
Need help?
Do you have a question about the JK2830 and is the answer not in the manual?
Questions and answers