ELC-131 D DUAL DISPLAY LICIR METER USER MANUAL ESCORT
Contents
1. Pa K PO 1 d h POWER DH MAX MEY AVG D Q Ata 120te i ka ki a pi Si to plot toi ni m d h 1 li POWER DI MAKAMYAG D Q JOt 120k Fi 3 TR DUAL DISPLAY LCR METER f a Li Hi DO HOT APPLY VOLTACE TO MPU TOBANALS a ME OO VAR Of RENAL A t lou Cer Gc ii Tit 14 ti la L li d t DUAL DISPLAY LCR METER l l DO NO APPLY YOLIAGE 70 APUI TERAS aaa k s la qt TA Kon ft 1 auto ee power off i t 1i i i l t E L 1i i i Fe teat ee A A n een a ti EAE P See ee Sear EDE LA il t1 ti li Ii tt LA ti LA t T LI BO kon ee aa eh a aa n e ka A nati te le aa Ji an n a a ce ah a ey ee seme ann an knn n n n a ee ere ee ee ee ee 17 Software Operating Instructions MI Data Hold This data hold function allows the operator to freeze the display To enter this mode press the DH pushbutton press again to release j HA Static Recording Press the DH MAX MIN AVG pushbutton for one second to enter the static recording mode The maximum and minimum readings are then stored in memory while a beeping tone is produced when a new tested value has been recorded Push the same button to cycle through the maxi mum minimum and average of the present readings The MAX MIN or AVG annunciators will turn on to indicate what value is being displayed Whenever the MAX AVG MIN annunciators appear on the LCD simultaneously the display reading is always a present value T2. 999pF DE 0 5 DF lt 0 5 4 0 7 3 counts 40 7 100 Cx 5 counts 1000nF 999 9nF DF lt 0 5 DF lt 0 5 0 7 5 counts 40 7 100 Cx 5 counts after DF lt 0 5 DF lt 0 5 open cal H 1 5 counts 42 100 Cx 5 counts after 10nF 9 999nF DF lt 0 1 Ti an FT 100nF 99 99n DF lt 0 1 open cal Test Freq 1kHz Rance Max OO Aceuray Specified 5 Display Note 0 999mF H5 5 counts 10 100 Cx 5 counts after note4 DF lt 0 1 DF lt 0 1 short cal 1 5 counts 290 100 Cx 5 counts after 100LF 99 99HF DF lt 0 1 DF lt 0 1 short cal 0 7 3 counts 0 7 100 Cx 5 counts 2 999F DF lt 0 5 DF lt 0 5 0 790 3 counts H0 790 100 Cx 5 counts 1000nF 999 9nF DF lt 0 5 DF lt 0 5 0 7 3 counts H0 790 100 Cx 5 counts 99 99nF DF lt 0 5 DF lt 0 5 0 7 5 counts 0 7 100 Cx 5 counts after 10nk 9 999nF DF 0 5 DF lt 0 5 open cal 1 5 counts 2 100 Cx 5 counts F 999 9pF DE O DF lt 0 1 open cal Notes 1 Q Value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 Dut amp Test lead to be properly shielded to GND DC if necessary 4 This reading can be extended to 1999 MAX display with accuracy not specified a 5 Cx Counts of displayed C value e g C 88 88u
3. C R D Q Measurement Circuit Mode 1 Capacitance Resistance Measurement Defaults to parallel mode for all ranges Parallel measured mode 2 Inductance Measurement Defaults to series mode for all ranges mw oo Series measured mode Both Series and Parallel mode data can be obtained through simple key operation See page 23 Displays L C R Max display 9999 except 10mF 120Hz ImF 1kHz measurement ranges with max display 1999 D Q Max display 999 AUTO RANGE Measurement Terminals 2 terminals with sockets Ranging Mode Auto amp manual Test Frequency IkHz amp 120Hz Freq Accuracy 0 01 1kHz 1008 06Hz 120 Hz 122 07Hz Measurement Rate 1 measurement second nominal Test Signal Level 0 9 Vrms approx Response Time Approx 1 second DUT device under test manual range Temperature Coefficient 0 05 x Specified Accuracy C 0 C lt 18 C or 28 C 50 C Operation Temperature 0 C to 40 C 0 70 R H Storage Temperature 20 C to 50 C 0 80 R H Power Requirements 1 Battery DC 9V Battery 2 Ext DC Adaptor DC 12Vmin 15Vmax LOAD 50mA min Low Battery Indication Approx 6 8V Power Consumption Approx 40 mA 0 3mA Auto Power off 0 1 A fast blow 250V AC Please refer to Safety Information Auto Power Off Time Approx 5 mins Protective Fuse Dimensions 37 mm H x 90 mm W x 192 L Weight 390g ACCESSORIES Standard accessories 1 Test alligator clips
4. 4 MAX AVG MIN Recording mode annunciators 5 MAX Maximum reading annunciator 6 AVG Average reading annuciator 7 MIN Indicates the minimum reading 8 REL Relative mode annunciator 9 D Dissipation factor annunciator 10 999 Secondary display 11 Tolerance percentage annunciator 12 Q Quality factor annunciator 13 IkHz Frequency annunciator 14 120Hz Frequency annunciator 15 MkQ Resistance Ohm annunciator 16 mH Inductance Henry annunciator 17 munpF Capacitance Fara annunciator 18 Indicates the battery power is weakening 19 DH Data hold annunciator 20 Tol Tolerance mode annunciator 21 1 5 10 Tolerance sorting percent annunciator 12 348 3 10 AUTO MAX AVG MIN i ii rt rt t LCR RE DH ef E A TOL pee ET AA ae AOAO anan BOO 1 5 10 LTT L ei uml ames n aes an n am pF Special Indication Characters ss Section i C Indicates short connectors Fn Indicates open connectors Safety Information This manual contains information and warnings which must be followed to ensure safe operation as well as to maintain the meter in a safe condition PAL Indicates parallel mode Er Indicates series mode e This meter is for indoor use altitude up to 2 000 m e The meter is safety certified in compliance with EN61010 IEC 1010 1 Installation Category I 50V Pollution Degree 2 environment e Use the meter only as specified in th
5. ELC 131D DUAL DISPLAY L C R METER USER MANUAL ESCORT Escort Instruments Corporation NO 6 Alley 6 Lane 45 Pao Hsin Road Hsin Tien Taipei Taiwan TEL 02 913 1326 8 02 918 0320 2 FAX 886 2 9183929 886 2 913 1329 DUAL DISPLAY L C R METER OPERATOR S MANUAL Table of Contents TA FOU WEA ON oui etik edi pti foi NE p 2 Front Panel IIUStratiON eeeeeereoooraoosesasansossonoose p 3 LOU DEDY asosi eee p 4 Special Indication Characters eeeveeesessensenss p 5 Safety InfOTMABNON niisiis iren p 6 W ATANN E ae aka a n ates e av e da e p 7 General Specification cccccesececesseeeeceesteneenees p 8 INCCES SOVICS kipa ad kaa a beton sa kk ton ka ii p 9 Electrical Specification v rrerrererororeseranosonosns p 10 How to Operate eat Seatac ia E p 15 Software Operating Instructions u eooreoerooesone p 19 Fuse and Battery Replacement ee p 26 an onea a a W n i an ae yaya E Section I Introduction This 10 000 count L C R hand held meter is a special microprocessor controlled meter for measuring functions of inductance capacitance and resistance Extremely simple to operate the instrument not only takes absolute parallel mode measurements but is also capable of series mode measure ment The meter provides direct and accurate measurements of inductors capacitors and resistors with dual testing frequencies of 120H
6. F than Cx 8888 12 Inductance Test Freq 120Hz Specified Lx DF 0 5 DF DF lt 0 5 Note 10000H 9999H sin gen a on ae aed A Ti in oat SUR EI an H2 Lx 10000 10 100 Lx after 9 999 mH 5 counts 5 counts short cal Specified Test Freq 1kHz Range Max Display Lx DF lt 0 5 DF DF lt 0 5 Note 1000H_ 999 9H no ea ve n 7 a Pipl 13 Zr 2 a E Notes Q Value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket Dut amp Test lead to be properly shielded to GND DC if necessary Not specified Lx counts of displayed L value e g L 88 88H then Lx 8888 14 ie Inductance Measurement 1 Press the POWER key to turn on the power 2 Press the function key to select Inductance test range How to Operate 3 Insert an inductor into component receptacle A Caution socket or connect the test clip to the component leads as required 4 Press frequency key to select 1kHz or 120Hz testing frequency Section IV When measuring within a circuit the circuit must be de energized before connecting the test leads Instruments which are used in dusty environments should be wiped and cleaned regularly Do not leave the instrument exposed to direct heat from the sun for long periods Before removing the cover ensure that the in
7. Note It is recommended that the meter should always be switched off when not in use NA MKH Calibration re ra Calibration is available to all ranges Simply press RE Gip OUR TIT Section V bou EM calibration mode and calibration prompts will be displayed Follow the prompts for open connector Fn or short Fuse Replacement connector 5rt connection and press the REL CAL N Caution The meter must be completely turned off while button After calibration is completed the meter will be replacing either the fuse or battery restored to normal display and ready for normal usage 1 Loosen screws with suitable screwdriver and remove Ton io si AA bottom cover as shown in Fig 1 SR 2 Lift the PC board as shown in Fig 2 VRE g ET I 3 Replace the damaged fuse witha Q 1A 250VAC fast blow a fuse B Vi oat 4 When finished with the replacement replace the shielding paper smoothly as shown in Fig 1 then refasten the PC board and the bottom cover respectively Battery Replacement 1 Loosen screws with suitable driver and remove bottom cover as shown in Fig 1 Replace the degraded battery with a new DC 9V NEDA 1604 or equivalent battery 3 Close bottom cover as shown in Fig 1 This function calibrates the meter s internal param eters as well as external connector residues It is highly recommended to calibrate extremely high or low ranges for L C and R before making precision mea
8. either OL or 0000 2 Relative mode is only available in manual ranging however activation while in autoranging will automatically set the meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The relative mode cannot be activated if the meter is set at autoranging with data hold activated 20 Heke Tolerance The tolerance modes are 1 5 and 10 respec tively for the Inductance Capacitance and Resistance functions To enter this tolerance mode insert the appropriate component as a standard value into the socket or connect the component to the test probes then press the TOL pushbutton to set this value as the standard reference tolerance Similarly any value which appears on the LCD display such as DH or MAX MIN AVG can be used as a standard value to sort components Press the key again to cycle through 1 5 and 10 tolerance as desire This feature is designed for convenient component sorting An audible tone will beep three times whenever the component under test exceeds the set tolerance Conversely a single beep tones indicates the component under test is within the set tolerance rate Notes 1 The tolerance mode cannot be activated if the tested display is either OL or 0000 nor can it be activated if the tested capacitance value is below 10 counts 2 Tolerance mode is only available in manual ranging however activation while
9. in autoranging will automatically set the meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The tolerance mode cannot be activated if the meter is set at autoranging with data hold mode activated 21 Auto Manual Range Default is automatically set at autoranging status when the meter is powered on For specific measurement press the Range pushbutton to select manual ranging To return to the autoranging mode press and hold the Range pushbutton for one second EEE Fuse Detection When the CPU of the meter detects that the fuse is open the FUSE character will appear and an internal beep will sound continuously In this situation none of the function keys can be operated and all other meter functions will be discontinued Fuse replacement is required GU Low Battery Indication When the symbol flashes on the display the battery voltage is below normal working voltage and 15 weakening Replace battery with a new one to maintain accuracy of the meter 22 MIN Parallel Series Mode The meter is capable of displaying Parallel and Series mode data for all ranges The parallel mode is default for Capacitance and Resistance measurements and the series mode is default for Inductance measurement However each data can be transformed to the other mode reading in the following manner 1 To get parallel mode data under the Inductance meas
10. is manual Otherwise the protection provided by the meter may be impaired e The power for the meter is supplied by a single standard 9V battery But also a line operation is possible using a 12V AC to DC adaptor If a power adaptor is selected please be sure to use with the one which fulfilled the safety requirements of a relevant IEC standard rA Indicates calibration mode FUSE Indicates damaged or open fuse Note The CPU of the meter can self detect if its fuse is either open or damaged In this case the LCD will display the symbol FiSE and an audible beep will sounds continuously warning the user to replace the old fuse to maintain the accuracy of measurement While replacing the fuse the power of the meter must be completely shut off WARNING When measuring in circuit components firsts de energize the circuits before connecting to the test leads The warnings and precautions should be read and well understood before the instrument is used The must be carefully observed during use This instrument is recommended to be used by a suitably trained and competent person A WARNING identifies conditions and actions that pose hazard s to the user a CAUTION identifies conditions and actions that may damage the transducer International electrical symbols used are explained in Table 1 MC Table 1 International Electrical Symbols gt General Specifications Parameters Measured L
11. o exit this mode press and hold the pushbutton for one second Notes 1 Static recording captures only stable values and updates the memory it will not record any OL overload value for any of the L C R functions In addition the meter will not record values which are below 50 counts in Capacitance measurement 2 Static recording is only available in manual ranging however activation while in autoranging will automatically set the meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 19 Dissipation Factor Quality Factor The D Q value can be displayed interchangeably by pressing the D Q button when the meter is set to Inductance or Capacitance ranges It does not apply to resistance measurement TE 120Hz 1kHz Default testing frequency is 1kHz range to select the 120Hz range simply press the 120Hz 1kHz key a 5 M L C R Function Selector g Simply press the L C R pushbutton to cycle through the desired L C or R function respectively MTA Relative n Press the REL key to enter the relative mode This sets the display at zero and stores the displayed reading asa reference value It will then display all subsequent readings in terms of their plus or minus value in comparison to the original stored value Press the button again to exit the relative mode Notes 1 The relative mode cannot be activated if the display value is
12. pair it is different to IEC requirements 2 DC 9V Battery 3 Fuse 0 1 A 250V AC fast blow 4 User manual Optional accessories 1 EH 80Y Holster 2 12V min 15V max Load 50mA min DC power Adaptor EA50 AC120V EA55 AC 240V Electrical Specifications All accuracies are Q23C 5C lt 75 R H Resistance R Max Accuracy Specified ange n Display Test Freq 120Hz Test Freq 1kHz Note 42 8 counts 42 8 counts 10MQQ 9 999MQ note 3 note 3 after open cal 00kQ 0 5 3 counts 0 5 3 counts ki 40 590 3 counts 40 5 3 counts MEN kQ 999 9Q 410 5 3 counts K0 5F 3counts 10002 99 9962 K087 5 counts HORS counts afer short cal 102 9 999Q 41 2 8 counts 1 2 8 counts after short cal olrias e Notes l This specification is based on the measurement performed at the test socket 2 Dut amp Test lead to be properly shielded to GND DC if necessary 3 This specification is based on internal power battery operation 10 Capacitance Test Freq 120Hz Specified Not 50 5 counts 410 100 Cx 5 counts after note 4 DF lt 0 1 DF lt 0 1 short cal H19 5 counts 12 100 Cx 5 count after 1000pF 999 9HF DF lt 0 1 DF lt 0 1 short cal 0 7 3 counts 40 7 100 Cx 5 counts LOOMF 99 99pF DF lt 0 5 DF lt 0 5 0 7 3 counts 40 7 100 Cx 5 counts 9
13. strument is disconnected from any circuit and in power off position 5 Read the display readings for inductance value and quality factor Note For achieving optimum precision for all L C and R measurements at either the highest or lowest ranges it is recommended to calibrate the meter before testing POWER OH MAX WAYAVG D Q 1ki 120e EEOC DE RANGE t c n ToL REL CAL CI CICI ey f t l 1 t t a DUAL DISPLAY LCR METER 5 j J DO HO APPLY VOLTAGE 10 INPUT TERMINALS if A 15 16 g Mi Capacitance Measurement MN Resistance Measurement 1 Press POWER key to tum on the power 1 Press POWER key to turn on the power 2 Press the function key to select Capacitance test 2 Press the function key to select Resistance test range range 3 Insert a capacitor component into the component 3 Insert a resistor into the component receptacle receptacle socket or directly connect the test clip socket or connect the test clip to the component to the component leads as required leads as required 4 Press frequency key to select 1kHz or 120Hz 4 Press the frequency key to select 1kHz or 120Hz testing frequency testing frequency l 5 Read the display readings for capacitance value 5 Read the display reading for resistance value and dissipation factor Note To avoid electrical hazards discharge the capacitor to be tested before measuring
14. surements Calibra tion prompts will be displayed automatically every time those ranges are manually or functionally selected eg Rel Tol MIN MAX AVG etc and calibration is recommended Simply follow the open connector H5 or short connector hre instruction and then press the REL CAL button You may skip the calibration by pressing the D Q button P Bottom Case Note Changing measurement frequencies is handled the same as selecting a different hardware range and so automatic calibration prompts will be displayed in the recommended ranges Shield Paper FIG 1 VA aks L CLEANING To clean the instrument use a soft cloth dampened in a solution of mild detergent and water Do not spray cleaner directly _ onto the instrument since it may leak into the cabinet and cause damage Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents
15. urement press the DH key and then press and hold D Q button for one second When the PAL character appears on the secondary display the main digital reading displayed will be the parallel mode data Press D Q button again to exit 2 Similarly to get the series mode data either under the Capacitance or Resistance measurement press the DH key and then press and hold D Q button for one second When the 5E character appears on the secondary display the main digital reading displayed will be the series mode data Press D Q button again to exit SS as m co a DH IE noo A Ee TT ANN ek me rrr ee 23 Auto Power Off Disable Auto Power Off When the meter has not been used for five minutes after the last operation was made a one second beep tone will sound The meter will then automatically enter a sleep mode and there will be no display on the LCD To reactivate the meter simply press any pushbutton After re activating the last operating condition still remains unchanged When the meter is to be used for long periods of time auto power off can be disabled by pressing and holding either DH MAX MIN AVG RANGE or L C R pushbuttons while pressing the power on After releasing the buttons two beep tones will sound to confirm that the auto power off has been disabled By using a 12V AC adaptor as an optional power source auto power off is disabled automatically
16. z and 1kHz It is auto and manual ranging selectable When not in use for more than five minutes with power on the meter will automatically shut off to prolong battery life Front panel pushbuttons maximize the convenience of function and feature selection such as data hold maximum minimum and average record mode relative mode tolerance sorting mode frequency and L C R selection A tilt stand provides position flexibility for viewing and operating the meter While single 9V battery operation is standard for the meter a DC 12V power adaptor can also be used as an optional power input e ee tik aa ee ee Front Panel Illustration LCD display 1kHz 120Hz selection button Dissipation and quality factor selection button Relative mode and calibration selection button Tolerance mode selection button 12 Input terminals and sockets DC 12V adaptor inputs Power on off button Data hold Maximum Minimum and Average reading selection button Range selection button Inductance Capacitance and Resistance function selection button AUTO MAI AVG Mif oft DC ain a OTE ea aa am MWkii 1 8 aj 3 10 m jia a Sa 4 1 1 o s DUAL DISPLAY LCR METER L DO NOT APPLY VOLIACE TO INPUT TERMMALS J DISCHAAGE CAPACHOR BEFORE TESTING la anteman nn a avait Ayen a Ae ere em k aa LCD Display Illustration 1 Auto Autoranging indicator 2 i Beeper tone indicator for tolerance mode 3 LCR L CorR function annunciator
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