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6. MAINTENANCE

6-1. Inspection

⚫

Inspect the LCR meter at regular intervals so that it maintains its initial performance for a long time.

⚫

Check the input power cord for damage of the vinyl cover and overheating of the plug and cord stopper.

Check the terminal screws and binding posts for loosening.

6-2. Fuse Replacement

Step

1)

Take off the power cord and remove the fuse socket using a minus driver.

2)

Replace the fuse in the holder.

Fuse rating: T1.0/250V for 110Vac input, T0.5/250V for 220Vac input.

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Содержание 10kHz

Страница 1: ...LCR Meter Operation Manual V1 1 BENCHTOP LCR METER ...

Страница 2: ...TUP 12 2 6 ABOUT SYSTEM 13 2 7 Data Storage 13 2 8 INTER Files List and EXT Files List 14 3 SPECIFICATIONS 16 3 1 Measurement Range 16 3 2 Accuracy 16 4 HANDLER INTERFACE available for 200kHz model only 20 4 1 Pin Definition 20 4 2 Time Sequence of Interface Signal 21 4 3 Schematic Diagram of Interface Signal 21 5 REMOTE CONTROL 22 5 1 RS232C Interface 22 5 2 USB HOST 22 6 MAINTENANCE 23 6 1 Inspe...

Страница 3: ...ict quality check We warrant our LCR meter s mainframe and accessories in materials within the warranty period of one year We guarantee the free spare parts for products which are approved defective in this period To get repair service please contact with your nearest sales and service office We do not provide any other warranty items except the one being provided by this summary and the warranty ...

Страница 4: ...hen connecting the LCR meter Do not block the air ventilation holes on the two sides and on the back of the chassis Do not disassemble the LCR meter unless you are professionals Power supply AC Input voltage 110V 220V 10 50 60Hz Connect the protective grounding conductor of the AC power cord to an earth ground to avoid electrical shock Fuse Make sure the correct type of fuse is installed before po...

Страница 5: ...series are widely used in R D IQC online quality control and automatic test system 1 2 Features 32 bit core processor 5 digit 4 3 inch TFT LCD display 2 signal source output impedance 30Ω 100Ω 100 sets memories for internal storage save 500 memories for U disk storage save supports FAT16 and FAT32 files Save the last parameter settings before power off Standard interface RS232 HANDLER USB HOST 1 3...

Страница 6: ...locked by default Make a long press to this key again to unlock the front panel 5 Measurement terminals LD LS HS HD 4 teminal test lead is used to connect 4 terminal test fixture or cable to measure DUT It is recommended to use the test lead attached to the LCR meter Using self made test lead or test lead from other suppliers may cause error in measurement results 6 LCD display 4 3 inch TFT LCD di...

Страница 7: ...Y press MEAS key to display the measurement results in full screen 12 SETUP Press this key to enter measurement parameter setup page 13 SYSTEM Press this key to Enter system setup page 14 FILE Press this key to enter file management page 15 TRIG When the trigger mode is set to MAN mode press this key to trigger the LCR meter 16 ESC ESCAPE key 17 BACKSPACE key is used delete the last numeric of the...

Страница 8: ...U SE 110V 60H z 30VA 220V 50H z 30VA T1 0A L 250V T0 5A L 250V FO O T C 1 2 3 4 5 6 7 8 9 1 RS 232C interface 6 Voltage selector 2 USB device interface 7 Power socket 3 Headset interface 8 EXT extension interface 4 FOOT C foot switch interface 9 HANDLER interface 5 GND screw ...

Страница 9: ...ys to move cursor to choose of FUNC FREQ LEVEL RANGE SPEED COMP Pressing QUICK CLEAR softkey can make quick clear to all parameters Test parameter When parameter Cp D of FUNC is selected other test parameters are display in the right side of the screen Each parameter can be selected by its softkey There are test parameters of Cs D Cp D Ls Q Lp Q Rs Q Rs D Rp Q Rp D R X Zs θ Zs r MEAS DISP Cs D FUN...

Страница 10: ...se key to choose the last or the next frequency points 10kHz model 100Hz 120Hz 1kHz 10kHz 30kHz model 100Hz 120Hz 1kHz 10kHz 20kHz 30kHz 200kHz model 40Hz 50Hz 60Hz 75Hz 100Hz 120Hz 150Hz 200Hz 250Hz 300Hz 400Hz 500Hz 600Hz 750Hz 800Hz 1kHz 1 5kHz 2kHz 2 5kHz 3kHz 4kHz 5kHz 6kHz 7 5kHz 10kHz 12kHz 15kHz 15 7kHz 16 2kHz 20kHz 25kHz 30kHz 40kHz 50kHz 60kHz 66 6kHz 75kHz 100kHz 120kHz 150kHz 200kHz 3...

Страница 11: ...EED SLOW MED LEVEL 1 00V COMP OFF Cp 0 0015p F SLOW D 0 3697 Vm OFF Im OFF Use softkeys to select Test level Test level of 10kHz model and 30kHz model can be choose from 0 1V 0 3V 1V Test level of 200kHz model can be set from 0 05V to 1V MEAS DISP 1V FUNC Cp D RANGE AUTO FREQ 1 kHz SPEED SLOW 0 3V LEVEL 1 00V COMP OFF Cp 0 0015p F 0 1V D 0 3697 INCR Vm OFF Im OFF DECR Use softkeys to select ...

Страница 12: ...rameter area In parameter area the test parameter and its value are displayed Font size of the parameters can be set as small size of large size by pressing FONT softkey Parameter value display can be turn on or off by pressing DISP softkey Deviation can be set as OFF ABS or by pressing DEV softkey MEAS DISP FONT SMALL FUNC Cp D RANGE AUTO FREQ 1 kHz SPEED SLOW DISP OFF LEVEL 1 00V COMP OFF Cp 0 0...

Страница 13: ...0009p F D 0 0033 BIN Quick Clear Use softkeys to select COMP Set comparator ON or OFF AUX Set auxiliary ON or OFF COUNT Set counting ON or OFF NOMINAL Input nominal value via numeric keys or softkeys It is reference value of main parameter range Deviation is for main parameters only There are 3 operations to Deviation OFF ABS or ABS Absolute Deviation The absolute deviation is the currently measur...

Страница 14: ...Ω or 100Ω AVERAGE Set average number of times between numbers 1 to 255 Input numbers by numeric keys or soft key and RangeDwe I I Set range delay time between 0ms to 6000ms Input numbers by numeric keys or soft key and TrigSource Set trigger source as INT or EXT TrigDelay Set trigger display time between 0ms to 6000ms Input numbers by numeric keys or soft key and TrigEdge Set trigger edge as RISIN...

Страница 15: ...l tone as LONG tune SHORT tune TWO SHORT tunes ParaSave Set parameter save mode as AUTO SAVE AUTO LOAD or NO SAVE PassWord In this page press corresponding softkeys to choose different functions 1 Set password OFF 2 Lock system when setting password to lock system all files are protected and password is required during power on 3 Lock file it means protecting files 4 Modify password the default pa...

Страница 16: ...se or to choose baud rate from 4800 9600 19200 38400 115200 Baud rate is only for bus mode RS232C Data Bit Set data bit as 6 7 or 8 Stop Bit Set stop bit as 1 or 2 Parity Set parity as NONE ODD or EVEN Tx Term Set end of text term as LF CR or LFCR In response to ASCII code LF is 0x0A and CR is 0x0D This is only end of text term when the LCR meter is returning data to PC GpibAddr Set GPIB address b...

Страница 17: ... SETUP page 2 7 Data Storage The measurement data can be stored to USB flash stick In MEAS page press TOOL key to enter into data storage menu MEAS DISP PrtSc FUNC Cp D RANGE AUTO FREQ 1 kHz SPEED SLOW SAVE DATA LEVEL 1 00V COMP OFF Cp 0 0015p F DEL D 0 3697 SINGLE SHORT Vm OFF Im OFF SINGLE OPEN Use softkeys to select There are three formats for data storage A B COMP A and B are measurement resul...

Страница 18: ...al non volatile memory No need to make settings again Press File key the Files List page will be displayed Press File key again to switch between internal and external files lists INTER Files List LOAD I Page 1 NO File STORE 1 2 3 DEL 4 5 FIND 6 7 Press to page FILE to change I E COPY TO E Use softkeys to select EXT Files List LOAD E Page 1 File Folder STORE DEL PARENT DIR Press to page FILE to ch...

Страница 19: ... OK to confirm If the file name already exists press Continue softkey to cover the existing file of press ESC to cancel operation 3 Upload parameters from existing files 1 Press File key to switch to internal or external files list 2 Move cursor to the file name to be uploaded from or input file name directly 3 Press LOAD softkey 4 Press YES softkey to upload file 4 Copy file to USB flash disk 1 P...

Страница 20: ...e accuracy Ae of Z L C R X is shown as below 𝐀𝐞 𝐀 𝐊𝐚 𝐊𝐛 𝐊𝐟 𝟏𝟎𝟎 𝐊𝐋 𝐊𝐂 A Basic measurement accuracy Refer to Fig 3 1 Ka Impedance scaling factor Refer to table 3 4 impedance 500Ω Kb Impedance scaling factor Refer to table 3 4 impedance 500Ω Kc Temperature factor Refer to table 3 5 Kf Calibration interpolation factor Refer to table 4 6 KL Cable length factor Refer to table 4 7 Note Choose only Ka or ...

Страница 21: ...𝟖𝟎 𝛑 𝐀𝐞 𝟏𝟎𝟎 deg 3 2 4 Accuracy of Rp When Dx the measured value of D 0 1 the accuracy of Rp is calculated according to 𝐑𝐩 𝐑𝐩𝐱 𝐃𝐞 𝐃𝐱𝛍𝐃𝐞 Ω Rpx Measured value Ω of Rp Dx Measured value of D De Accuracy of D 3 2 5 Accuracy of Rs When Dx the measured value of D 0 1 the accuracy of Rs is calculated according to 𝐑𝐬𝐞 𝐗𝐱 𝐃𝐞 Ω 𝐗𝐱 𝟐𝛑𝐟𝐋𝐱 𝟏 𝟐𝛑𝐟𝐂𝐱 Xx Measured value S of X Cx Measured value F of C Lx Measured va...

Страница 22: ...100m 1 10 100 1k 10k 100k 1M 10M 100M 1 5 1 5M OHM S 10n 100n 1u 10u 100u 1m 10m 100m 1 10 100 Y G B Z R X 100Hz 1kHz 10kHz 100kHz 50Hz 200kHz 100mF 10mF 1mF 100uF 10uF 1uF 100nF 10nF 1nF 100pF 10nH 100nH 1uH 10uH 100uH 1mH 10mH 100mH 1H 10H 0 1 0 2 0 25 0 35 0 65 1 0 10pF 100kH 1pF 10kH 100fF 1kH 10fF 100H ...

Страница 23: ...𝟎 𝐕𝐬 𝟏 𝟏𝟎𝟎 𝐟𝐦 𝐙𝐦 𝟏 𝟏𝟎 𝟗 𝟏 𝟕𝟎 𝐕𝐬 𝟏 𝟏𝟎𝟎 𝐟𝐦 100Hz fm 100kHz 𝟏 𝟏𝟎 𝟑 𝐙𝐦 𝟏 𝟐𝟎𝟎 𝐕𝐬 𝐙𝐦 𝟏 𝟏𝟎 𝟗 𝟏 𝟕𝟎 𝐕𝐬 fm 100kHz 𝟏 𝟏𝟎 𝟑 𝐙𝐦 𝟐 𝟐𝟎𝟎 𝐕𝐬 𝐙𝐦 𝟑 𝟏𝟎 𝟗 𝟏 𝟕𝟎 𝐕𝐬 Fast fm 100Hz 𝟐 𝟓 𝟏𝟎 𝟑 𝐙𝐦 𝟏 𝟒𝟎𝟎 𝐕𝐬 𝟏 𝟏𝟎𝟎 𝐟𝐦 𝐙𝐦 𝟐 𝟏𝟎 𝟗 𝟏 𝟏𝟎𝟎 𝐕𝐬 𝟏 𝟏𝟎𝟎 𝐟𝐦 100Hz fm 100kHz 𝟐 𝟓 𝟏𝟎 𝟑 𝐙𝐦 𝟏 𝟒𝟎𝟎 𝐕𝐬 𝐙𝐦 𝟐 𝟏𝟎 𝟗 𝟏 𝟏𝟎𝟎 𝐕𝐬 fm 100kHz 𝟐 𝟓 𝟏𝟎 𝟑 𝐙𝐦 𝟐 𝟒𝟎𝟎 𝐕𝐬 𝐙𝐦 𝟔 𝟏𝟎 𝟗 𝟏 𝟏𝟎𝟎 𝐕𝐬 Note fm Measured frequency Hz Zm Measured impedance of DUT Ω Vs Voltage of test s...

Страница 24: ... of this signal triggers measurement Pulse width 1μs Low level drive current approx 5 10mA 16 17 18 5V Internal 5V power output Normally it is not recommended to use internal power source If the internal power source must be used please make sure the signal s current is less than 0 3A and ensure the signal is well shielded from interference 27 28 EXTV External DC power source input for comparator ...

Страница 25: ...ce of Interface Signal Fig 4 3 Time sequence chart Time MIN Value MAX Value T1 Trigger pulse width T2 Delay time of starting measurement T3 Trigger waiting time after EOT output 1us 200us 0us Display time 200us 4 3 Schematic Diagram of Interface Signal If using internal 5V power source connect pin 1 to pin 2 of J205 and connect pin 1 to pin 2 of J204 ...

Страница 26: ...n illustration Signal Abbreviation Connector s Pin number Send data TXD 2 Receive data RXD 3 Ground GND 5 5 2 USB HOST The USB HOST can be used to control the LCR meter It is in compliance with USMTMC USB488 and USB2 0 protocols When using USBTMC interface user can write commands via Labview to control the instrument In the first time of connecting the instrument to computer via USB cable the comp...

Страница 27: ...input power cord for damage of the vinyl cover and overheating of the plug and cord stopper Check the terminal screws and binding posts for loosening 6 2 Fuse Replacement Step 1 Take off the power cord and remove the fuse socket using a minus driver 2 Replace the fuse in the holder Fuse rating T1 0 250V for 110Vac input T0 5 250V for 220Vac input ...

Страница 28: ...0 60s step 1ms Calibration function Open circuit Short circuit Load Measurement terminal 5 terminal Display mode Direct Δ Δ V I monitoring test voltage and current Display 5 digit 4 3 in LCD display Measurement signal Output impedance 30Ω 100Ω Test level 0 1V 0 3V 1V 0 1V 0 3V 1V 0 05V 1V Test level accuracy 5 Measurement display range Z R X 0 01m Ω 99 999 MΩ Y G B 0 0001 µS 99 999 S C 0 0001 pF 9...

Страница 29: ...e 28 3 2 Parameter 29 3 3 Command System 29 3 3 1 SPEED 29 3 3 2 DISPlay 29 3 3 3 FREQuency 30 3 3 4 LEVel 30 3 3 5 PARAmeter 30 3 3 6 EQUivalent 30 3 3 7 SRESistor 30 3 3 8 RANGe 30 3 3 9 TRIGger 31 3 3 10 CORRection 31 3 3 11 COMParator 31 3 3 12 LIMit 32 3 3 13 HANDLER 32 3 3 14 CALCULATE 33 3 3 15 SYSTem 33 3 3 16 PRINt 34 3 3 17 COMP 34 4 Format Commands 35 4 1 Data Output Format 35 4 2 Strin...

Страница 30: ...ifferent chapters of this manual After the LCR meter is reliably connected to PC user can control the LCR meter via programming commands The LCR meter supports SCPI commands and part of GIPB Common commands 2 Description to GPIB Common Commands 2 1 RST Syntax RST Function Restore the instrument to the defaults 2 2 IDN Syntax IDN Function Query the instrument ID and return a string unique identific...

Страница 31: ...t system status into the non volatile memory with a specified location and appointed file name max 10 strings Examples SAV 1 AB Save the current system status into memory location 1 with file name AB Remarks When sending this command if the existing file is covered there is no notification about it 2 6 RCL Syntax RCL 1 2 3 105 Function Recall the saved instrument status Examples RCL 3 Recall the s...

Страница 32: ...nts 3 1 Command Structure The SCPI is in a tree structure The command on the top is called root command or called root in short To reach command of the lowest level user must follow its route Command terminator It is a symbol to end the command For example NL Line break symbol as 10 in ASCII code Colon It means a command level going to the next level Semic olon It means multiple levels of commands...

Страница 33: ...T MEDium SLOW Return FAST MEDium SLOW 3 3 2 DISPlay DISPlay PAGE DISPlay PAGE Function Query or set display page Parameter MEASurement BNUMber MSETup SYSTem Measurement display Comparator function Measurement setup System setup Return MEAS DISP BIN DISP MEAS SETUP SYSTEM SETUP ABOUT INTER FILE LIST DISPlay RFONt Function Query or set font size Query or set display ON OFF Parameter LARGe TINY OFF O...

Страница 34: ...2 5k 3k 4k 5k 6k 7 5k 10k 12k 15k 15 7k 16 2k 20k 25k 30k 40k 50k 60k 66 6k 75k 100k 120k 150k 200k for 200kHz model 3 3 4 LEVel LEVel Function Query or set test level Parameter 0 1V 0 3V 1 0V Return 0 1V 0 3V 1 0V 3 3 5 PARAmeter PARAmeter Function Query or set test parameters Parameter cd lq rq rd rx zd zr Return cd lq rq rd rx zd zr 3 3 6 EQUivalent EQUivalent Function Query or set equivalent s...

Страница 35: ...int short circuit clearing SHORt_ALL All points short circuit clearing 3 3 11 COMParator COMParator STATe Function Query or set comparator status Parameter ON OFF 1 0 Return 1 0 COMParator Auxiliary BIN Function Query or set auxiliary status Parameter ON OFF 1 0 Return 1 0 COMParator BIN CLEar Function Clear all upper and lower limits Parameter ON OFF 1 0 Return 1 0 COMParator COUNt STATe Function...

Страница 36: ...be 9 9999e 37 LIMit SECondary HIGH LOW Function Query or set high and low limits of secondary parameters Parameter high low in NR3 format Return HIGH LOW Note If there is no setting for high and low limits the return value will be 9 9999e 37 3 3 13 HANDLER HANDler MODE Function Query or set comparator output mode Parameter CLEAr HOLD PULSe Return CLEAR HOLD PULSE HANDler PULSe Function Query or se...

Страница 37: ...tion Query or set beeper for comparator fail Parameter OFF LONG SHORT TwoSHORT Return OFF LONG SHORT TWOSHORT 3 3 15 SYSTem SYSTem BEEPer STATe Function Query or set touch tone Parameter OFF 0 ON 1 Return 0 1 SYSTem SAVE Function Save file Parameter numeric_value string Note numeric_value is internal file number 1 105 string is file name with max 10 strings When file name is omitted the file is na...

Страница 38: ...ator mode Parameter 1 0 Return 1 0 Note 1 Δ ABS mode COMParator COMP LIMit NOMinal Function Query or set nominal value of main parameters Parameter numeric_value NR3 format Return numeric_value NR3 format COMParator COMP LIMit A HIGH LOW Function Query or set high or low value of main parameters Parameter HIGH LOW Return numeric_value HIGH numeric_value LOW Note If there is no high or low limits t...

Страница 39: ... 2 3 0 Short circuit clear 1 Open circuit clear 2 All clear 3 Not clear 9 Beeper 0 1 0 ON 1 OFF 10 Operation mode 0 1 0 Continuous 1 Single 11 Equivalent form 0 1 0 Series 1 Parallel 12 Serial port 0 1 0 OFF 1 ON 13 Comparator mode 0 1 2 0 OFF 1 ON 0 Comparator P 1 Comparator P3 2 Comparator OFF 14 Internal resistance 0 1 0 30Ω 1 100Ω 15 20 Main parameter 0 9 From high to low 21 26 Secondary param...

Страница 40: ...play mode Δ 15 D1 2 Display mode Direct reading 16 D2 2 Display mode ABS deviation 17 E0 2 Hold in the current range 18 E1 2 Auto ranging 19 E2 2 Hold in 0 range 100kΩ 20 E3 2 Hold in 1 range 10kΩ 21 E4 2 Hold in 2 range 1kΩ 22 E5 2 Hold in 3 range 100Ω 23 E6 2 Hold in 4 range 31 6Ω 24 E7 2 Hold in 5 range 10Ω 25 F0 2 Measurement speed FAST 26 F1 2 Measurement speed SLOW 27 F2 2 Measurement speed ...

Страница 41: ...Please change to ASCII code when writing commands 1 N1 122 The instrument adjusts it as N1 12 0002 7 bit after receiving The last bit is code for unit For resistance measurement nominal value here is 12 MΩ That is N1 starts with numerical values and ends with code of unit Its first bit must be 0 9 while other bits contain 0 9 or decimal points After adjusted by the instrument it is less than 7 bit...

Страница 42: ...Twintex Electronics Co Ltd Add 702 16 21 Block B Sanhehuaqiao Village Dalang Sub district Longhua District Shenzhen China 518109 Tel 86 755 28129890 Fax 86 755 28149802 Web www twintex com tw ...

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