User Manual of ESCORT EDC-128B
Contents
1. Automatic polarity indication Function Capacitance measurement by DC charge and discharge method Visible and audible Tolerance mode assists you to sort the capacitor e Min Max Average Data Hold with Manual or Auto Trigger and Relative modes Comparison mode with 25 sets of HI LO limits can be selected Backlit display for easy reading in the dark Bi directional optic computer interface with SCPI commands One year calibration cycle suggested Measuring rate Approx 5 times s for capacitance lt 100 Low battery indicator The ZI appears when the battery voltage drops below 6 0V Operating temperature 0 C to 50 C 32 F 122 F Storage temperature 20 C to 60 C 4 F 140 F without battery Relative Humidity R H maximum 80 R H for temperature up to 31 C decreasing linearly to 50 R H at 50 C Temperature coefficient 0 1 specified accuracy C from 0 C to 18 C or 28 C to 50 C 44 Copyright 2006 LT All rights reserved Power supply Single standard 9V Battery can use Alkaline or Carbon zinc Battery types ANSI NEDA IEC Alkaline 1604A 6LR61 Carbon zinc 1604D 6F22 Power Consumption 270mVA maximum with backlit Battery life 80 hours without backlit approx Based on new alkaline 9V 545mA Battery Dimension 41 H 87 W 184 L mm Weight 320 grams with battery 430 grams with full package Standard Accessories Al2. 16 Copyright 2006 LT All rights reserved Echo With ECHO ON the meter echoes returns all the characters whatever it receives To enable the Echo as follows Echo Push V 7 on Echo Figure 8 Echo Setup Print only If the remote interface of the meter is under Print only mode the meter will print out the measured data when the measuring cycle is completed The meter will auto send the newest data to a host continuously The meter doesn t accept any commands from the host under Print Only enabled The remote indicator of the meter will be flashed during operation as Print only ON To enable the print only aFF Prnt L 2 my fin on Prnt Figure 9 Print only Setup Copyright 2006 LT All rights reserved 17 Beep Frequency The driving frequency can be set for 4800 2400 1200 or 600 The beeper can be set to oFF as you want kept silent during operation to select a tone you like according to follows 18 Push Figure 10 Driving frequency of Beeper setup Copyright 2006 LT All rights reserved B Lock Buttons The pushbuttons can be disabled by this option When set to on the pushbuttons will not be operated after turned on the meter The power ON option still can be operated as locked the buttons aFF LbUE Push V p we bL Figure 11 Lock buttons Copyright 2006 LT All rights reserved B Auto Power Off
3. and verify the meter at least once a year to ensure that the original designed performance and specifications The meter is designed with closed case calibration capability It shall calibrate and verify by remote software with appropriate equipment and qualified personnel only The related software may be got by factory authorization Environmental condition Calibration or verification test should be performed under laboratory condition which ambient temperature relative humidity can be controlled Warm up Allow up to 1 minutes warm up at least before performing calibration to the meter After exposure or storage in a high humidity condensing environment relative recovery period is required essentially Copyright 2006 LT All rights reserved B Recommended test equipment The test equipment requirements listed in Table or equivalents are required to perform the calibration and performance verification test procedures Alternative equipment may be used as long as the accuracy is as good as those listed at least Table 4 Standard Equipment Requirements Standard Operating Accuracy Recommended Source Range Required Equipment Capacitance 1nF 10nF lt 0 5 Fluke 5520A or Calibrator 100nF 10mF lt 0 25 equivalent Copyright 2006 LT All rights reserved 43 SPECIFICATIONS B General specification Display 4 1 2 digit liquid crystal display LCD with maximum reading of 11000 counts
4. average value you measured Static recording captures only stable values and updates the memory the meter will not record which the values are OL overload or below 10 counts The operational procedures are described below 1 Press REC momentarily to enter the static recording The present value is stored to memories of maximum minimum and average The MAX AVG MIN annunicator will be lit 2 Press this button momentarily to cycle through maximum minimum average and present readings The MAX MIN AVG or MAX AVG MIN annunciator turns on respectively to indicate which value is being displayed See following Figure 3 The beeper sounds a tone when a new max or min value has been recorded 4 Selecting static recording mode as auto range it will record the value of MAX MIN or AVG for different ranges 5 Press REC button for more than 1 second to exit recording mode 6 The feature of auto power off will be disabled and the QUFF will be turned off as recording mode Copyright 2006 LT All rights reserved 25 AUTO MAX AVG MIN 0000 Push REC 0000 onec Push REC for gt 1sec AUTO MIN Push REC for gt 1sec u ri 5 D LJ a Push REC Push REC Push REC for gt 1sec Figure 17 Static Recording Mode 26 Copyright 2006 LT All rights reserved B Data Hold Trigger Hold The data hold function allows operators to hold the di
5. display annunciators To demonstrate the annunciators press the HOLD button and turn on the meter simultaneously All annunciators will be displayed Press any button to exit demonstration mode Default factory HI LO setting To set the high and the low limits to manufacture s default values 12 Copyright 2006 LT All rights reserved HOW TO ENTER SETUP MODE Press and hold SET button then turn on the meter from OFF Release push button when you hear a tone the meter will enter setup mode then These parameters will be remained in non versatile memory even the meter is turned off You can configure related parameters on setup mode by following procedures 1 Press 4 LEFT RIGHT button to select which menu item to be set 2 Press 4 UP or DOWN button to change the parameter 3 Press SET button to select which digit to be adjust the selected digit will be flashed 4 Press and hold SAVE button for more than one second to save your setting 5 Push SET button for more than one second to exit setup mode Copyright 2006 LT All rights reserved 13 B Factory Default Following Table describes the outline of the setup menu item and indicates the factory settings Table 3 Descriptions for Outline of Setup Menu Item 14 Menu item c ry Selectable Parameters Setting bAUd 9600 Baud rate 2400 4800 9600 19200 PArt none PParity odd eve
6. ensure that you use the meter safely follow the safety guidelines listed below e Read this operation manual completely before using this device and follow all safety instructions e This device is for indoor use altitude up to 2 000 m e Avoid working alone e Use the device only as specified in this manual otherwise the protection provided by the meter may be impaired e Never measure Voltage with this meter e Do not use this device if it looks damaged e Inspect the leads for damaged insulation or exposed metal Replace damaged leads e Disconnect the power and discharge all high voltage capacitors before testing cautions when working above 70V DC 33VRMS and 46 7V peak such voltages may cause a shock hazard e Always use specified battery e The meter is designed in compliance with EN61010 IEC1010 1 Installation Category II 50V Pollution Degree 2 e CE requirement Under the influence of RF field according to standard the supplied test leads will pick up induced noise To have better shielding effect a short twisted lead should be used 2 Copyright 2006 LT All rights reserved Pu QUICK START AN WARNING Read SAFETY INFORMATION before using this device Push o to turn on the meter Push REL to subtract the residual capacitance as not yet insert capacitor into sockets and terminals Insert the leads of capacitor into and input sockets respectively Be sure the polari
7. is within the high and the low limits the beeper sounds a tone and the secondary display indicates Go After 3 seconds or the reading lower than 10 counts the meter will return to ready state Press this button momentarily to select different settings for compare The secondary display will indicate C01 to C25 according to which comparison record has been selected You can press and hold SAVE button for more than one second to save comparison set for next entry Press this button for more than 1 second to exit the mode 8 HI LO High Low limits Press this button momentarily to see the High Low limit value to be used as compare mode Press this button to cycle through High limit Low limit and present values on primary display The secondary display showed as H L and C respectively After 3 seconds without pressing this button again it will return present value display n the High Low limit setting mode press this button momentarily to toggle HI and LO limits for adjustment Copyright 2006 LT All rights reserved 9 SET set high low limits for compare mode Press the SET button for more than 1 second to enter the HI LO limit setting mode The secondary display will flash 01 and the primary display will indicate the value of High limit Following buttons will be used for this setting mode LEFT RIGHT select which digit will be adjusted b UP or
8. DOWN to Increase or decrease the current digit value c Select High or Low limit to be set d SAVE Press this button for more than 1 second to store the setting value into the memory The beeper will sound two tones means the selected value has been stored If the current setting can t meet the rule that the high limit must equal or greater than the low limit the beeper sounds three tones e SET Select next compare setting Press this button momentarily to cycle through 101 or H01 125 or H25 then come back to 101 01 setting Press the SET button again for more than 1 second to exit the HI LO limit setting mode 10 Back Lit Press this button for more than 1 second to toggle backlit ON OFF Backlit turns off automatically after setting period by setup mode Copyright 2006 LT All rights reserved 11 POWER ON OPTION To select power on options press and hold the pushbutton while turning the ON OFF switch to on position These power on options are listed in below table PUSHBUTTON HOLD REL SET Table 2 Power ON Options DESCRIPTION Demonstrate Annunciators To demonstrate the annunciators the entire annunciators will be displayed Press any button to exit demonstration mode Reset the high and the low limits to manufacture s default values Setup mode Configure related parameter please refer to how to enter setup mode for detail B Demonstrate
9. Press and hold for more than 1 sec to toggle HI LO limit setting Push to select which set will be adjusted as setting mode REC Press to set Static recording mode Press this button momentarily to cycle through MAX MIN AVG and present MAX MIN AVG readings at recording mode Press and hold for gt 1 Sec to quite recording mode 8 Copyright 2006 LT All rights reserved Push to enter compare mode Press and hold for gt 1 Sec to quite compare mode As compare mode press again to select which HI LO limits to be compared Figure 4 Pushbuttons REL Set the value on the display to be subtracted Press and hold for 1 sec to quit relative mode 1 Power ON or OFF This button is used to toggle the power ON or OFF for the meter Be sure to press button completely to be locked or released 2 HOLD Data Hold Press the button to enable the data hold function The function allows operator to hold the displayed digital value Press this button momentarily to trigger holding next reading Press this button for more than 1 second to exit the mode 3 REC Static Recording Press REC button to enable the recording function Press REC button momentarily to cycle through maximum minimum average and present readings The MAX MIN AVG or MAX AVG MIN annunciator turns on respectively to indicate which value is being displayed Press REC button for more than 1 second to exit the
10. Relative capacitor mode Alerting for tolerance Auto range and compare mode Tolerance mode for 1 5 10 20 is unit for tolerance AUTO MAX AVG MIN TOL 1 5 10 20 Unit for Beeper Auto power off frequency Capacitance units Low battery Primary display 1 display for Remote control capacitance measurement Over High limit a IW Under Low limit Figure 2 LCD Display Copyright 2006 LT All rights reserved 5 Annunciator Description 1 AUTO AUTO range Tolerance mode to set 1 5 10 and 20 for 2 TOL 1 5 10 20 sorting capacitance 3 HHHH Primary display 1 display 4 Audible alert for tolerance compare mode 5 DH Data hold 6 Low battery indication 7 REL Relative mode 8 pF 1 1000 000 000 000 Farad 9 nF 1 1000 000 000 Farad 10 uF 1 1000 000Farad 11 mF 1 1000 Farad 12 MAX AVG MIN Static recording mode indicates the present reading 13 MAX Maximum reading 14 AVG Average reading 15 MIN Minimum reading 16 Remote control 17 HHH Secondary display 274 display 18 n n Reading out of the HI LO limits 19 Tn Reading within the HI LO limits 20 Hi HgS The primary display shows HI limit setting 21 05 The primary display shows LO limit setting 22 LU PS Display the HI LO limit set for c
11. The timer for Auto Power Off can be set to 1 99 minutes oFF means to disable auto power off To set timer as follows Push Figure 12 Auto power saving setup The instrument may automatic turn off within a setting period if none of the following happens a Push buttons are used b Static recording is set c Auto power off has been disabled by Setup mode You can toggle OFF and then turn on again to activate the meter after auto power off or push any button to wake up When the meter is to be used for longer period you may disable the APO The sign QUFF will be turned off when APO disabled The meter will stay on continuously as the APO is disabled 20 Copyright 2006 LT All rights reserved B Backlit Display The timer can be set to 1 99 seconds oFF means to disable turning off backlit automatically The backlight will be turned off automatically after a setting period To set the period as follows oFF ia bL iE Pun w Push Push 7 Push 78415 bL ik Figure 13 Backlit Timer Setup Copyright 2006 LT All rights reserved 21 Bright level of Back lit for OFF state This option will help you to set the bright level for off state of backlit The brightness can be set from oFF 09 OFF jem baFF 1 1 Push 77 09 baf F 1 Push V boFF Push T Push W r1 Push ww Figure 14 Bright l
12. User Instruction Manual C REL DH 2 AUTOMAX AVG TOL 1 5 10 20 kHz A DISCHARGE CAPACITOR BEFORE ESTING 1 GUARD Sorting Hier INSTRUCTION MANUAL REVISION HISTORY 11 Modification 2006 10 04 LT L 1 2 Update measuring rate 2006 10 20 Change Figure of Auto power 2006 11 30 off Backlit bright setting for ON OFF state Update measuring rate Power consumption Copyright Statement Copyright 2006 Larry Tsai All rights reserved No part of this publication may be reproduced in any form or by any manner or used to make any derivative such as translation transformation or adaptation without our authorization and permission All the Trademarks belong to their respective proprietors User Programmable Functions II Copyright 2006 LT All rights reserved SAFETY INFORMATION ndecocevsiontastubseadscessasabiedesoasiosencs 1 QUICK SPARE rmm uc 3 CAPACITANCE SORTING METER 6 isicssssessscssscessovacoossstecsosesssensssenstonpserasoousssecsesans 4 INTRODUCTION 4 GETTING START WITH YOUR METER sssssssssmsnssessnseseesseossoese 5 DISPLAY ILLUSTRATION 5 7 PUSH BUTTON OPERATIONS ccsscscccsccecesssssssecececeesesesesseaeceseecesesensseaeeeeeeseeenes 8 POWER ON OPTION 12 DEMONSTRATE DISPLAY enne
13. cation 38 Copyright 2006 LT All rights reserved 5 Execute the software to take the data as your needs 6 Always press second snap slightly to remove the cable from communication port of the meter See the snap as below picture Always press second snap slightly to remove the cable from communication port of the meter 7 We don t suggest you to remove the cover of USB RS 232 cable But sometime you may press snap deeply and pull the cable to cause the cover to be moved out as following picture To assemble the cover as contrary direction you moved out Be sure the text side on the cover at same side of inside TOP case You will hear a click as the cover has been fixed To assemble the cover as contrary direction you moved out Press the snap and pull the cable to move out the cover Copyright 2006 LT All rights reserved 39 CAPACITANCE MEASUREMENT Caution To avoid possible damage to the meter or the equipment under test disconnect circuit power and discharge the capacitor before measuring capacitance Capacitance is the ability of a component to store an electrical charge The unit of capacitance is the farad F Most capacitors are within the range for nanofarad nF to microfarad uF The meter measures capacitance by charging the capacitor with a known current measuring the resulting time of charging period and then calculating the capacitance The larger capacitors will take longer ti
14. ck whether the meter is under remote control Turn OFF and then turn ON the meter again Check the setup mode whether Lbut of lock buttons has been set on Failed on Remote control e The optical side of cable connected to meter the text side of cover should be up Check the baud rate parity Data bit Stop bit default is 9600 n 8 1 Driver install for USB RS232 Copyright 2006 LT All rights reserved 47 Battery replacement WARNING Remove all test leads and external adaptor before opening the case The meter is powered by 9 V battery be sure to used specified battery To ensure the specification specified it is suggested to replace battery immediately as the sign of is displayed and flashing Following procedures for battery replacement Remove alligator clip lead and turn off the meter Release the screw on the battery cover Slide pull down the battery cover Then take up the cover Replace the specified battery Reverse the procedure of opening cover to close the bottom cover QE Se Figure 26 Battery Replacement 48 Copyright 2006 LT All rights reserved B 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 simi
15. d 35 Set high low limits 36 Using this mode to set the HIGH and LOW limits for compare mode see the following procedures 1 2 Press and hold the SET button for more than 1 second to enter the HI LO limit setting mode The secondary display will flash 101 and the primary display will indicate the limit value Following buttons will be used for this setting mode a b d 4 LEFT or RIGHT select which digit will be adjusted UP or DOWN to Increase or decrease the current digit value HI LO Select High or Low limit to be set SAVE Press this button for more than 1 second to store the setting value into the memory The beeper will sound two tones means the selected value has been stored If the current setting can t meet the rule that the high limit must equal or greater than the low limit the beeper sounds three tones BE BE BE SET Select next compare setting Press this button momentarily to cycle through 01 to 25 then come back to 01 setting according to High or Low limit Press and hold the SET button for more than 1 second to exit the HI LO limit setting mode Copyright 2006 LT All rights reserved 88 fj Push 4 gt to slect digit to be Push dor gt to slect digit to be adjusted adjusted 10 H 10 4330 B LIO H 4333 4101 Push SAVE for gt 1 Sec to Push SAVE for gt 1 Sec to save se
16. eting ITI L ILI 4441 4903 Figure 23 SET High Low Limits Copyright 2006 LT All rights reserved 37 REMOTE COMMUNICATION This instrument has a bi directional full duplex communication capability This function will assist user to record and keep data easily The protocol is provided by SCPI commands Standard Commands for Programmable Instruments You can simply use your familiar language to design what application software you want All commands are combined by ASCII character non hexadecimal which is much user friendly providing Just configure the measuring range and then get the measuring value The detail SCPI for remote operation is accompanied with another file on this CD ROM Please refer to An optional accessory includes an optical USB RS232 cable and a CD ROM for PC application software Please refer following procedures if you want to communicate with personal computer 1 Setup the communication parameters for the meter and the personal computer you used The meter is default to 9600 n 8 1 2 Be sure that the driver for USB and RS 232 transfer has been installed on your computer 3 Fixes optic side of cable to communication port of meter Be sure the text side to be face up See following figure 4 Plug the other end of USB terminal of cable into USB port of personal computer See following figure To USB port of Computer Figure 24 Cable Connection for Communi
17. evel for OFF state 22 Copyright 2006 LT All rights reserved Bright level of Back lit for ON state This option will help you to set the bright level for ON state of backlit It is used to set brightness after turn backlit on It can be set from oFF 09 When you turn backlit on during normal operation push SET button one time can increase one bright level The adjusting range is from default to 09 then back default For example if you set the level to 05 you can push SET button to increase the level from 05 06 gt 07 gt 085 09 then back 05 after turned backlit on as normal operation If the default is O9 you will not feel any change by pushing SET button ri 1 Push T Figure 15 Bright level for ON state Copyright 2006 LT All rights reserved 23 B Reset to Default Push SAVE button for more than one second to reset the setting to factory default The setup mode will be set to Baud Rate menu item automatically after GE dEFH me gh bRU Figure 16 Reset to default 24 Copyright 2006 LT All rights reserved CALCULATION FUNCTION This meter provides operators with various functions including Static Recording Data Hold Trigger Relative Tolerance mode Compare mode B Static Recording The Static recording mode can record the maximum capacitance and minimum capacitance you measured Further more it will calculate
18. ght 2006 LT All rights reserved Hl ENVIRONMENTAL CONDITION mates 42 MARM oae fees 42 RECOMMENDED TEST 43 GENERAL SPECIFICATION 44 ELECTRICAL 5 8 20 0000 01001005000 00000 46 etme EP 47 BATTERY 0 40204 0020 00 000000000000 48 CLEANING ennn iann T 49 STANDARD ACCESSORIES 21 000 0 011 0 0000000 50 OPTIONAL ACCESSORIES its 51 IV Copyright 2006 LT All rights reserved SAFETY INFORMATION This meter is a hand held battery operated instrument for testing and sorting capacitance If this device is damaged or something is missing contact the purchasing place immediately A WARNING identifies conditions and actions that may cause hazard s to the user a CAUTION identifies conditions and actions that may damage this Device Following Table 1 explain international electrical symbols used on this meter Table 1 International Electrical Symbols Caution risk of danger See Explanation In The Manual Copyright 2006 LT All rights reserved 1 SAFETY INFORMATION A Warnings and Cautions To avoid electric shock injury or damage to this instrument and
19. h capacitor into the terminals press the TOL button to enable the tolerance mode and set the display value to be a standard reference The TOL annunciator will be indicated and tolerance will be indicated on the secondary display The meter range is locked also Press the TOL button momentarily again to cycle through 1 5 10 and 20 tolerance as desire The alerting sign of 2 will be indicated accompanying The beeper sounds a tone while the test value is within the selected tolerance If the test value is out of the selected tolerance the beeper will sound three tones This mode can not be enabled under following condition a After setting the recording mode b After setting the Compare mode c The display shows either OL or below 10 counts Press and hold this button for more than 1 second to exit tolerance mode 7 Compare Mode Press this button to enable the compare mode The measuring range is locked in this mode The annunciator will be shown and the secondary display will indicate C meaning which set has been used for compare mode The two right digits indicate current compare set The it is from 01 to 25 The primary display shows the present measurement In this state it is ready for testing If the reading is out of the high limit Sign T lit and the low limit Sig lit three tones will be sounded also the secondary display indicates nGo If the reading
20. hts reserved Press HI LO button to see the HI or LO value used for comparison and back to the ready mode cyclically The HI or Lo limits will be briefly indicated on 1 display and then back to the ready mode If the reading is out of the high and low limits the beeper will sound three tones also the secondary display indicates If the reading is within the high and low limits the beeper sounds a tone and the secondary display indicates Go After 3 seconds the meter will return to ready state Press and hold the 9 button for more than 1 second to exit audible alert mode Copyright 2006 LT All rights reserved 33 Figure 21 Set Compare Mode 34 Copyright 2006 LT All rights reserved The following figure shows you the display by compare mode for sorting Push gt to enable compare mode and gt gt DOFF C21 Change wl l High limit Low limit l va noo 4 Three tones amp then auto return Three tones amp then auto return Display nGo for to ready state Display nGo for to ready state 3 seconds 3 seconds IT 4299 Change DUT Within Change DUT IL Within High Low Limits High Low Limits One tone amp One tone amp Display Go for then auto return Display Go for then auto return 3 seconds to ready state 3 seconds lo ready state Figure 22 Sorting by compare mode Copyright 2006 LT All rights reserve
21. imit ranges This meter has initial set for High and Low limits see below table Comparison Set High limit Low Limit 1 100 90 2 120 108 3 150 135 4 180 162 5 220 198 6 270 243 7 330 297 8 390 351 9 470 423 10 560 504 11 680 612 12 820 738 13 1000 900 14 1200 1080 15 1500 1350 16 1800 1620 17 2200 1980 18 2700 2430 19 3300 2970 20 3900 3510 21 4700 4230 22 5600 5040 23 6800 6120 24 8200 7380 25 10000 9000 You can change these sets please refer to the SET High Low limits for detailed description Also you can use the power on option to restore factory setting 32 Following procedures will guide you to set compare mode 1 Press 9 button momentarily to enter HI LO Audible Alert mode The meter locks range in this mode The 9 annunciator will be indicated and the secondary display will indicate C01 to C25 which the set you saved as last operation The first left digit means comparison mode The last two digits indicate current comparison set The primary display will indicate the present measurement It is ready to test 2 Press button momentarily to select different sets The secondary display will indicate C01 to C25 according to which comparison set has been selected You can press and hold SAVE button for more than one second to save comparison set for next entry Copyright 2006 LT All rig
22. lar solvents to clean the instrument After cleaning make sure the instrument is dried completely before using Copyright 2006 LT All rights reserved 49 ACCESSORIES B Standard accessories Quick start guide Instruction Manual in a CD ROM Alligator clip leads 9V Carbon zinc battery 50 Copyright 2006 LT All rights reserved Communication Package Communication package included full isolation optical cable and software disc SMD Tweezers This SMD Tweezers is used for measuring SMD capacitor and built in banana input terminals Soft carrying case The dimension of L W H is 220 140 55 mm provides convenient carrying for the accessories and the handheld meter Copyright 2006 LT All rights reserved 51 SMD Tweezers This SMD Tweezers is used for L C R meter and built in banana input terminals It is much convenient to measure the SMD components Recommended to measure surface mount device is as well as maximum open of tweezers The tweezers has one red one black and one green 4 mm shrouded plugs which are connected to the meter s H SENSE L SENSE and GUARD ends respectively The length is 770 mm 30 3 approximately See below Figure Greens E le Red Black s Electrical Characteristic Parameters Test Condition 100Hz 120Hz 1kHz 10kHz Cp Tweezers lt 5 0 pF lt 5 0 pF lt 5 0 pF lt 5 0 pF Para
23. ligator clip leads 9V battery Quick start guide and Instruction manual in CD ROM Optional Accessories Communication package SMT Tweezers and Soft carrying case Safety Designed in compliance with EN61010 1 IEC1010 1 for CAT II 50V Pollution Degree Il Environment EMC designed in compliance with EN61326 1 Copyright 2006 LT All rights reserved 45 B Electrical specifications Accuracy is given as of reading counts of least significant digit at 23 C 5 C with relative humidity Less than 80 R H Capacitance scale approx 0 59643 Notes 1 Overload protection 250VR M S 2 The accuracy is specified to measure film capacitor or better and use Relative mode to zero residual first 46 Copyright 2006 LT All rights reserved B Service MAINTENANCE If the instrument fails to operate check battery and alligator clip leads and replaces them if necessary If the instrument still can t work double check operating procedure as described in this instruction manual When servicing use specified replacement parts only Following table will guide you to identify basic problems Malfunction No LCD indication as power ON Identification Check whether the power button has been locked completely Check battery or replace battery No beeper tone Check setup mode whether the beeper has been set to OFF Then select the driving frequency you want Pushbuttons failure Che
24. llel f pen Capacitance RS Tweezers Short lt 0 150 lt 0 150 lt 0 150 lt 0 150 Series Resistance Ls Tweezers Short 1 0 uH 1 0 uH lt 1 0 uH 1 0 uH Series H H Inductance Notes 1 The specification is specified at 23 C45 Cand 7596 2 The tweezers is recommended to measure the SMD components for C lt 200uF or L lt 20mH or lt 10 Environmental Condition This Tweezers is for Indoor use Altitude up to 2000m Operation temperature 0 C 40 C 32 F 104 F R H 80 Storage Temperature 20 C to 60 C 4 F 140 F WARNING To avoid electrical shock never use wet Tweezers for your instruments 52 Copyright 2006 LT All rights reserved
25. me to charge The sign of C flashing means charging capacitor To improve the measurement accuracy of small value capacitance press REL with the alligator clip leads open to subtract the residual capacitance of the meter and leads Measuring tip For measuring the capacitance more than 1000uF you discharge capacitor first and select suitable range to measure it That will speed up measuring time for get the correct value 1 Turn on the meter 2 To keep the open whatever you use sockets alligator clip leads or SMD tweezers to test capacitance And then press REL to subtract the residual capacitance of the meter and leads Insert the leads of capacitor into and input sockets respectively Be sure the polarity for capacitor Remove your hands from capacitor Read the display Oo 40 Copyright 2006 LT All rights reserved WAGE CAPACITOR BEFORE ESTING GUARD Connect to Terminal Figure 25 Capacitance measurement Copyright 2006 LT All rights reserved CALIBRATING THE METER Z CAUTION TO AVOID DAMAGING THE DEFAULT CALIBRATION DATA STORED INA NON VOLATILE MEMORY A CALIBRATION TO THE METER CAN ONLY BE DONE BY AN AUTHORIZED SERVICE CENTER AND QUALIFIED PERSONNEL WITH APPROPRIATE EQUIPMENT FOR DETAIL INFORMATION ABOUT CALIBRATION PROCEDURES PLEASE CONTACT FACTORY OR AUTHORIZED DISTRIBUTOR 42 Introduction It is recommended to recalibrate
26. n or none Data 8 b 8 bits or 7 bits Stop bit is always 1 bit Echo oFF Echo on or oFF Prnt OFF Print or OFF Driving frequency 4800 2400 1200 600 Hz 207 oFF means to disable beep Lock buttons oFF enable pushbuttons LbUt OFF on disable pushbuttons AoFF 15 1 99 minutes oFF means to disable auto power off blit 30 1 99 seconds oFF means to disable turning off backlit automatically boFF oFF Bright level of backlit at OFF state oFF 09 bon 09 Bright level of backlit at ON state oFF 09 dEFA rSt Reset above item to factory original setting Copyright 2006 LT All rights reserved Baud Rate The baud rate is selected for remote control It can be set to 2400 4800 9600 or 19200 To select your request as follows JE Hud ml fua UG bAUd ul Das gH Hud I Res 192 Auld Figure 5 Baud rate setup for remote control Copyright 2006 LT All rights reserved 15 Parity Check The parity check is selected for remote control It can be set to none even or odd bit To select the parity as follows nari Figure 6 Parity Check setup for remote control Data Bit The data bit is selected for remote control It can be set to 8 or 7 bits The stop bit is defined to 1 bit and can t be changed To select the data bit as follows JAER Push Y d s 1 b dAER Figure 7 Data bit setup for remote control
27. nnns 12 DEFAULT FACTORY HY LO SETTING reb 12 HOW TO ENTER SETUP MODE 13 SR 14 BAUD ubi qi 15 PARLER CHECK ni 16 DAT ABE V 16 ECHOS P E 17 Ne Seda n o bt a 17 BEBP PRBOUBENGY 18 LOCK BUTTONS ab tates 19 AUTO POWER ORE 20 BACKLIT DISPLAY 21 BRIGHT LEVEL BACK LIT FOR OFF STATE 22 BRIGHT LEVEL BACK LIT FOR ON 5 23 RESET TODEFAUL T 24 CALCULATION FUNCTION 25 RECORDING ciminna ead 25 DATA HOLD TRIGGER HOLD uns 27 RELATIVE ZERO 28 TOEBRANCEMODE 30 COMPARE MODE QUI o ane te A 32 REMOTE COMMUNICATION ERE 38 CAPACITANCE MEASUREMENT eee eese eese tasses sse 40 CALIBRATING THE METER Cea Poen pene 42 INTRODUCTION ae ase daft Pm el s 42 Copyri
28. ompare mode 23 Reading out of the HI limit 24 Reading out of the LO limit 25 Unit for tolerance display 26 Charging period will be flashed display as discharging period 27 OFF Enable Auto power off 28 kHz Unit for Beeper Frequency as setup mode 6 Copyright 2006 LT All rights reserved B Terminals NWARNING To avoid damaging this device discharge the capacitor before testing Be sure the polarity for capacitance measurement To avoid damaging this meter do not exceed the input limit Do not apply voltage to input terminals Discharge the capacitor before testing 1 Positive terminal socket 2 Negative terminal socket 3 Guard terminal socket Figure 3 Terminals Copyright 2006 LT All rights reserved 7 Push button operations The operation of push button is shown as below When push the button a related symbol will be lit and the beeper will sound HI LO To set or see HI LO limits as setting mode or compare mode Press and hold for gt 1 Sec to toggle backlit ON OFF TOL Press to set Tolerance mode and select 1 2 5 10 and 20 Press and hold for gt 1 Sec to quit tolerance mode RANGE Change measuring range AUTO Press and hold for gt 1 Sec to set Auto range POWER turn ON OFF the meter HOLD Freeze measuring value Press again to trigger next measuring value Press and hold for gt 1 Sec to exit trigger hold Set
29. recording mode The beeper sounds a tone when a new MAX or MIN value has been recorded The static recording captures stable values and updates the memory it will not record the values are OL overload or below 10 count value 4 REL Relative function The function shows the difference between the measured value and the offset reference value The display may show a non zero value due to the presence of test leads You can use the relative function to nullify the residual Press REL button to enable the relative function and the REL sign will be displayed Press REL button again to renew relative value again Press REL button for more than 1 second to exit the mode The relative function can operate in both auto and manual ranging mode but the function cannot be set when an overload value exists 5 RANGE Auto Manual Range Press this button to select manual range and turn off the AUTO annunciator Press this button momentarily to step up a range at a time In auto range the AUTO annunciator is lit and the meter will select an appropriate range for resolution if a reading is greater than maximum available range OL overload will be displayed on the display The meter will select a lower range when reading is less than about 9 of full scale Press this button for more than 1 second to select auto range Copyright 2006 LT All rights reserved 9 6 TOL Tolerance mode Wit
30. splayed digital value Press HOLD button to freeze the displayed value and enter manual trigger mode and the sign of DH will be displayed Press HOLD button again to trigger another new measuring value updated to display The sign of DH will be flashed before the new updates Press HOLD button for more than one second to exit this mode Push HOLD to trigger Flashing er pues stable Figure 18 Data Trigger Hold Operation Copyright 2006 LT All rights reserved 27 Relative Zero The relative function subtracts a stored value from the present measurement and displays the result 1 28 Press REL button momentarily to the relative mode This sets the display to zero and stores the displayed reading as a reference value and the sign of REL will be displayed The relative mode can be set at auto or manual range but can t be set when an overload has occurred Press REL button momentarily to set the relative mode again When the small capacitance measurement the display will reads a non zero value due to the presence of alligator clip leads You can use the relative function to Zero Adjust the display Press and hold REL button for more than 1 second to quit Relative mode Copyright 2006 LT All rights reserved Push NULL for gt 1 Sec DUT OPEN Push NULL for gt 1 Sec DUT Push NULL for gt 1 Sec DUT OPEN Figure 19 Relative Zero Operation Cop
31. ty for capacitor and remove your hands from capacitor to be tested Read the display Figure 1 Capacitance measurement Copyright 2006 LT All rights reserved 3 CAPACITANCE SORTING METER B Introduction This meter is uniquely designed for capacitor sorting It s a fully auto ranging 11000 count meter Manual ranging can be selected via the front push button Main Features Auto range 11000 count resolution and large LCD with dual display Wide range resolution and measurement from 0 1pF to 199 99 mF Visible and audible Tolerance mode assists you to sort the capacitor Comparison mode with 25 sets for High Low Limit setting included non volatile memory inside will keep your setting even the power off Static Recording you will know maximum average and minimum values without calculator Relative mode will help you to calculate the difference between a standard and a measuring value Data Hold with Manual or Auto Trigger Bi directional optic computer interface with SCPI commands will assist you to a specialist and make report easier Low battery indication Brightness LED backlight Safe precision and speed closed case calibration Copyright 2006 LT All rights reserved GETTING START WITH YOUR METER Display Illustration Static recording mode for MAX MIN AVG and DH data hold Present MAXAVGMIN DH flashing means under trigger Secondary displa bo ashing for charging
32. yright 2006 LT All rights reserved 29 B Tolerance Mode There are 1 596 10 and 20 tolerance ranges To enter the tolerance mode insert a standard value into the socket Press the TOL button to set display value to be the standard reference Similarly the DH value which appears on the primary display can be used as a standard value to sort components Press TOL button again to cycle through 196 596 1096 and 2096 tolerance as desire The meter range locks as tolerance mode This mode can not be set under following condition After setting the recording mode After setting HI LO Audible Alert mode The tested display is either OL or below 10 count This function is designed for sorting An audible tone will sound three times when the reading out of the set tolerance A single tone presents the reading within the selected tolerance 30 Copyright 2006 LT All rights reserved Push TOL 210000 DUT 100uF DUT 10QuF Push TOL TOL 1 HHH DUT OPEN Push TOL Push TOL for gt 1sec Push TOL for gt 1sec DUT 50uF 900 0999 DUT 10uF Push TOL Push TOL gt 1sec Push rot C Push TOL for gt 1sec DUT OPEN DUT 110uf Figure 20 Tolerance Operation Copyright 2006 LT All rights reserved Push TOL 31 Compare Mode This function will help you sort capacitors and you can set 25 sets of l
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