Portable LCR Meter AX
Contents
1. 0 5 RANGE Range Selection 2 6 AUTO Range Auto Selection n 7 DH Data Hold 5 8 EQU Series Parallel Indicator Table 2 2 Key Description Chapter 3 Operation 3 1 Power on 1 Press POWER key to turn on the meter 2 The operation system version will be displayed Ww At last the instrument enters the measurement state Figure 4 1 Measurement Display Measurement display description 1 Battery Supply 3 Beeper ON 4 Series Circuit 5 Sorting Result P1 6 Parameter D 7 Secondary parameter 8 Unit 9 Range 0 Auto 10 Primary parameter 11 Frequency 1 kHz 12 Parameter C Illi WWW AXIOMET EU 3 2 How to operate 3 2 1 Key Functions 1 Parameter Setup2 Press PARA key to select the following measurement parameter combinationsaL Q C D R Q and Z Q Units Description uH mH H pF nF uF A ka Ma Table 4 1 Units IZ is the absolute value of impedance Measurement value of L C or R may be positive or negative Negative capacitance value means that the device under test is actually an inductor also negative inductance value means that the device under test is actually a capacitor In theory R should be positive constantly under some condition R may be negative due to over zero correction Please carry out correct zero correction The maximum number of display digits is2. 2 Zy R 75790 4 Data Hold Press DH key to freeze the display press DH key again to release 5 Correction Function Press CLEAR key to select the second function SHIFT will be lighted on the screen Press CLEAR key to enter the correction function the following information will be displayed on the screen Figure 4 2 Correction Display Clear Clear is displayed in the primary parameter display area OpeN OPEN Short Short or Quit Quit will be displayed in the secondary parameter display area d Note OpeN OPEN Short Short and Quit Quit are selected and displayed automatically by the meter according to the impedance value of the device under test Press any key to cancel the correction operation and return to the measurement state Press CLEAR key to start the correction measurement When correction measurement is finished PASS or FAIL will be displayed on the screen see Figure 4 3 PEGG WWW AXIDMET EU 10 DD E MENU J ILL I LIE LII 100 Hz o r Figure 4 3 Open correction Passed Note 1 The correction function must be used for accurate measurement The correction function can eliminate the stray admittance capacitance and inductance and the residual impedance resistance and reactance induced by test fixture test leads and instrument itself Perform the correction operation again if the measurement co
3. 5 but 5 digit is not always available and 4 digit is displayed sometimes The conversion is described in the following description From 4 digit to 5 digit When the first 2 digit of current value is less than 18 From 5 digit to 4 digit When the first 2 digit of current value is more than 20 2 Frequency Setup Use FREQ key to select the following test frequencies in turn 100 Hz 120 Hz and 1 kHz 3 Range Setup RANGE and AUTO keys are used to set the measurement range AUTO key toggles ranging mode between Auto and Hold RANGE keys are used to increase or decrease the measurement range if the current ranging mode is Auto then the ranging mode is changed to Hold at the same time d Note When ranging mode is set to HOLD the measurement range is fixed at current range Overload symbol will be displayed if the impedance under test exceeds the current effective measurement range or display range Range Range Range Range Down No Resistor Up y 0 100kQ 20kQ 18kQ y 1 10KQ 2kQ 1 8kQ y 2000 1800 2 1kQ y MAMA NAL WWW AXIOMET EU 3 1000 200 180 4 200 Table 4 2 Ranges Note How to calculate the measurement range Example Assume capacitance C 210pF dissipation D 0 0010 and test frequency f 1 kHz Solution 1 SFC 1 1 Z en om al 24C 2x3 14161000 210x10 From the Table 4 2 we can get the correct measurement range is No
4. Range4 and Open 100Hz o Circuit 0 3 Vrms 1 15 120Hz Ranging Mode Auto and Hold Equivalent Circuit Parallel and Series Display Direct Correction Open and Short Zeroing Rate Approx 3 meas sec ANNAN WWW AXIOMET EU Terminals 5 terminals Power Supply 1604 9V battery or DC12V 100 mA adapter Low Battery Indication Approx 6V Normal Approx 30 mA Power Consumption Auto power off Approx 500 nA Auto Power Off time Approx 30 minutes Weight Approx 400 g Dimensions 200mm L x 95mm W x 40mm D Table 1 1 Specifications Note Primary parameter accuracy A e 0 3 1 Cx Cmax Cmin Cx eF 0 3 1 Lx Lmaxt Lmin Lx e 0 3 1 Zx Zmaxt Zmin Zx e 0 3 1 Rx Rmaxt Rmin Rx mI O A A A A Max and Min values are as follows Parameter Range Auto Cmax 80uF f Crin 150pF f Lmax 159H f Lmin 0 32mH f Zmax 1MQ Zmin 1 590 Here Zmax Rmax Zmin Rmin Frequency unit kHz Secondary parameter accuracy D Ae 3 when D lt 0 1 De Ae 1 D 3 when D gt 0 1 cp Em when Q De lt 1 1F0 xD gt Illi WWW AXIOMET EU 1 4 Environment Requirements 1 Please do not operate this meter under the following environment conditions as any of them will directly affect measuring precision or damage the meter Please do not operate the instrument in places where is dusty vibrant under direct sunlight or where there i
5. AXIO i Hii MET Portable LCR Meter AX LCR41A OPERATION MANUAL CONTENTS ii een 2 Incoming INSPECTION DP 3 Notes on Use qe 3 Warranty arr T 3 Chapter 1 Overview aa ahnen kenne ren 3 1 1 Introduetion u E In ee 3 py MAN FUNCTIONS EET 4 1 3 SPECHICALIONS u 4 1 4 Environment Requirements en ee 6 Chapter 2 Panellllustration ass ee in m aa 6 2 1 LCD Display Illustration ce nenne 6 2 22 a A esmera AREER EEN EEE EEA E EEEE SA 7 Chapter 3 Operatiol s c suse herren ee ee 8 3 1 POWER Olos ia ai rasa d daa 8 IZA HOW to operate ee Renee 9 35221 Key FUNCTIONS anne ea seen 9 3 3 Battery Replacement eoe eer o trao ena eee ero rosae eee esae ae ase s en sea pa P pea eases 13 3 4 Clearing Instruction u un nn 13 ADP OM GIX ia esses mestes esse nee E NSE E A ee 13 Illi WWW AXIOMET EU Incoming Inspection Inspect the shipping container for damage The contents of the shipment should be listed as follows If the contents are incomplete if there is damage or defect please contact our company or your nearest Sales and Service Office Accessories DC Power Adapter 4 terminal Kelvin test clip leads 9V battery User Manual ana Options SMD component test fixture Notes on Use e This meter is only for indoor use Turn off the meter while switching th
6. e difference is almost 50 3 3 Battery Replacement Note The instrument will not be started when the battery is weakening Replace the battery immediately Loosen the three screws with suitable driver and remove the bottom cover Replace the degraded battery with a new DC 9V battery e Model 1604 006P or other equivalent battery must be used Alkaline battery is recommended e If the instrument is not in use for more than three months if the external DC adapter is always be used please take out the battery e Close the bottom cover The degraded battery must be disposed of properly 3 4 Clearing Instruction To clean the instrument use a soft cloth slightly dipped in water Do not spray cleanser directly onto the instrument since it may leak into the cabinet and cause damage Do not use chemicals containing benzine alcohol or aromatic hydrocarbons Appendix Message Code Table clear Clear Correction OPEN Open Open correction Short Short Short correction P17 P1 High limit of P1 Bin P1 P1 Low limit of P1 Bin Ng NG No Good q Q Low limit of quality factor d D High limit of dissipation factor Std Std Standard value Nominal value APO APO Auto Power Off CAL CAL Accuracy Calibration PSd PSD Password ALErt Alert ON ON OFF OFF PASS Pass FAIL Fail Quit Quit PEGE WWW AXIDMET EU 13 First Edition2006 2 WWW AXIOMET EU 14
7. e power supply between battery and DC adapter or replacing the battery Although internal circuit protection is provided DC voltage or current may damage the meter Before you measure a capacitor be sure the capacitor is fully discharged Take out the battery when the meter is not in use for more than 3 months A single standard 9V battery can be used for the power supply This meter will not work normally when battery voltage is less than 6V The 12V AC to DC adaptor is recommended to be used for the power supply e Perform Open and Short corrections for accurate measurement especially when test fixture is changed e The functions locked with password are not accessible by users Warranty This instrument product is warranted against defects in material and workmanship for a period of two years from the date of shipment During the warranty period Our company will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by our company Warranty limitation The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse or improper site preparation or maintenance Chapter 1 Overview Thank you for purchasing our product To get the maximum performance from the instrument please read this ma
8. nditions are changed such as test fixture and environment temperature 2 It is recommended to perform the open and short correction at the same time 3 During short correction period FAIL FAIL will be displayed in the secondary parameter display area when short correction is failed Make sure that the measurement contacts are shorted reliably and perform the short correction again 4 The meter measures the correction data at all frequency points and all measurement ranges The correction data is stored in the non volatile memory So you don t have to perform the correction again if the test conditions are not changed 5 Open and short corrections are automatically selected by the instrument according to the impedance value under test If there is a component in the fixture or if there is error with the instrument Quit Quit will be displayed in the secondary parameter display area 6 Equivalent Circuit Press EQU key to select the Series or Parallel circuit mode Note 1 The actual C R and L are not the ideal pure C R and L Normally an actual component can be regarded as the combination of an ideal resistor and an ideal reactor in series or parallel circuit mode 2 The meter can convert between the two different equivalent circuit modes using the following equations The measurement values of the two different circuit modes maybe different under different quality factor Q or dissipation factor D Capacitance Cp fr
9. nual first and keep this manual at hand 1 1 Introduction This meter is a microprocessor controlled portable meter with low power consumption It can measure six basic parameters they are inductance L capacitance C resistance R impedance Z Illi WWW AXIOMET EU dissipation factor D and quality factor Q This meter can fulfill the measurement needs of various component manufacturers and maintenance technicians 1 2 Main Functions 1 Test Parameter L Q C D R Q and Z Q 2 Correction OPEN multi frequency correction of open circuit SHORT multi frequency correction of short circuit 3 Display Mode Direct direct measurement value 4 Range Hold When measuring a large number of components with the same nominal value this function can effectively improve the measuring rate 5 Equivalent Circuit Mode Both parallel and series equivalent circuit modes can be obtained 6 Data Hold This function can be used to freeze the current display value 1 3 Specifications Parameter L Q C D R Q and Z Q Frequency 100 Hz 120 Hz and 1 kHz Accuracy Basic Accuracy 0 3 Display 5 digits display for both primary and secondary parameters L 100 Hz 120 Hz 1 uH 9999 H 1 kHz 0 1 uH 999 9 H Measurement Display C 100 Hz 120Hz 1 pF 9999 uF Range 1kHz 0 1 pF 999 9 uF R IZ 0 0001 Q 9 999 MQ D Q 0 0001 9999 A 0 0001 9999 Test Level 1kHz 0 3 Vrms 1 15 On
10. om parallel to series Cp Circuit Mode Rp Dissipation 1 aul 2WC R Q Series C 12 D C R R D D Capacitance Cs from series to parallel Illi WWW AXIOMET EU 11 A CircuitMode CS Dissipation p _ DAR C gt Parallel C 1 1 D C R R 1 D D Inductance Lp from parallel to series Dai Circuit Mode BE Dissipation D 2m _ 1 R Q Series L 1 1 D L R R D D Inductance Ls from series to parallel Circuit Mode bp Be Dissipation e Rs 1 mr 0 Parallel L 14 D L R R l D D Here parameter with subscript s means the series mode parameter with subscript p means the parallel mode 3 From the above equations we can conclude that the conversion between series and parallel is determined by D or Q Q 1 D The value of D or Q directly determined the parameter values in different circuit mode Example Three capacitors have the same series capacitance Cs 0 1yF but their dissipations are different with each other D1 0 0100 D2 0 1000 D3 1 0000 According to the above equation we can get their capacitance in parallel mode Cp1 0 09999 uF Cp2 0 09901 uF Cp3 0 05000 uF PEGE WWW AXIDMET EU 12 We can find that Cs is almost the same with Cp when D is very small D lt 0 01 but when D is more than 0 01 Cp and Cs are different obviously For example When D 0 1 the difference is 1 but when D 1 th
11. s corrosive air e Although the meter has been specially designed for reducing the noise caused by AC power the environment with low noise is still recommended If this can not be arranged please make sure to use power filter for the AC DC adaptor 2 The meter must be operated under the following environment conditions Temperature 0 C 40 C Humidity lt 90 RH at 40 C 3 Storage Temperature 25 C 50 C Chapter 2 Panel Illustration 2 1 LCD Display Illustration 12345 6 E Figure 2 1 LCD Display No Description No Description 1 Battery Power Indicator 8 Unit Indicator 2 Remote Indicator 9 Ranging Mode Indicator 3 Beeper Indicator 10 Primary Parameter Display Illi WWW AXIOMET EU 4 Series Parallel Indicator 11 Frequency Indicator 5 Comparator Indicator 12 Primary Parameter Indicator 6 ee ridary Parameter 13 2 Function Indicator Indicator 7 Secondary Parameter Display 14 DC Adaptor Power Supply Indicator Table 2 1 LCD Description Others DH Data hold indictor CAL Correction function indictor MENU Menu operation indictor 2 2 Keyboard lllustration POWER PARA FREQ GLEAR LILILILTI AUTO RANGE EQU DH CJ Figure 2 2 Keyboard Power On Off 0 2 PARA Parameter Selection 0 3 FREQ Frequency Selection n 4 CLEAR CLEAR Selection
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