U1732B User`s Guide
Contents
1. 4 Press the CAL key to start the correction function The OPn or Srt annunciator on the upper right of the display will disappear to indicate the start of the correction process To skip the correction process press D Q 0 5 The CAL annunciator on the main display will disappear once the correction process is completed The LCR meter will be restored to the normal display and ready to perform measurement 1 Changing measurement frequencies is handled the same way as selecting a different hardware range and the automatic calibration prompts will be displayed in the recommended ranges 2 Ensure that the same testing position is used after short calibration 18 U1731B U1732B User s and Service Guide Features and Functions 2 Enable Disable Auto Power Off When the LCR meter has not been used for five minutes since the last operation the beeper will beep a long tone Then the LCR meter will automatically enter sleep mode and none of the anunciators will shown on the display To re activate the LCR meter press any key When the LCR meter must be used for a longer period the auto power off function can be disabled To disable auto power off press and hold the L C R key while turning LCR meter ON Release the L C R key and press any key again The QOFF annunciator will disappear This will confirm that the auto power off function has been disabled When a 12 VAC adaptor is used as an optional power source the auto power off function2. Do not discharge the battery by shorting the battery or reversing the battery polarity To avoid instruments being damage from battery leakage e Always remove dead batteries immediately e Always remove the battery and store it separately if the LCR meter is not going to be used for a long period 22 The LCR meter is powered by a single 9 V alkaline battery Replace the battery if the low battery sign is displayed and flashing Use the following procedures to replace the battery 1 Loosen screws with a suitable screwdriver and remove the battery cover as shown in Figure 3 1 2 Replace the degraded battery with a new battery U1731B U1732B User s and Service Guide Service and Maintenance 3 Figure 3 1 Battery replacement U1731B U1732B User s and Service Guide 23 3 Service and Maintenance Fuse Replacement Users should use clean dry gloves when performing fuse replacement Do not touch any components except the fuse and plastic parts No recalibration is required after replacing the fuse The LCR meter is able to self detect if the input protective fuse is either open or damaged In this case the display will show FUSE and beep will sound continuously warning the user to replace the damaged fuse to maintain the accuracy of measurement While replacing the fuse the LCR meter must be completely turned off 1 Loosen screws with a suitable screwdriver and remove the battery cover as shown in Figure 3 1
3. 2 Loosen screws with a suitable screwdriver and remove the bottom cover as shown in Figure 3 2 3 Replace the damaged fuse with the a new fuse as specified in Chapter 4 General Specifications Bottom cover screw Battery cover screw Figure 3 2 Fuse replacement 24 U1731B U1732B User s and Service Guide Service and Maintenance 3 Replacement Parts This section explains how to order replacement parts for your instrument To order replaceable parts You can order replaceable parts from Agilent using the Agilent part number Note that not all parts listed in this chapter are available as field replaceable parts To order replaceable parts from Agilent do the following 1 Contact your nearest Agilent sales office or service center 2 Identify the parts by the Agilent part number shown in the replaceable parts list 3 Provide the instrument model number and serial number Table 3 1 Replaceable parts A02 62 25612 2U U1731B U1732B User s and Service Guide 25 3 Service and Maintenance Cleaning the LCR Meter WARNING To avoid electrical shock or damage to the LCR meter never contact with water inside the case Before cleaning the LCR meter ensure that the LCR meter s power is completely turned off and remove the external DC adaptor To clean the LCR meter wipe the dirty parts with gauze or soft cloth soaked mildly in diluted neutral detergent After cleaning ensure that the instrument is compl
4. 3 0 100 Lx 5 2 0 Lx 10000 5 10 0 100 Lx 5 Inductance Series Mode Test Frequency 10 kHz Maximum Specified Not Display 1000 mH 999 9 mH 2 0 Lx 10000 8 2 0 100 Lx 10 200 mH 199 99 mH 1 5 Lx 10000 8 2 0 100 Lx 10 19 999 mH 1 5 Lx 10000 10 3 0 100 Lx 15 2000 pH 1999 9 pH 2 0 Lx 10000 10 8 0 100 Lx 20 After short cal 1 Qvalue is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 Device Under Test DUT amp test leads need to be properly shielded to GUARD if necessary 4 Lx counts of displayed L value e g L 88 88 H then Lx 8888 32 U1731B U1732B User s and Service Guide Specifications 4 General Specifications Table 4 4 General characteristics of U1731B and U1 32B Power supply Single standard 9 V battery Alkaline ey canst O82 nA an Display L C R Maximum display 19999 D Q Maximum display 999 Auto Range Measuring circuit mode Inductance L Defaults to series mode ee epincrnent 0 etpatnls Test frequency accuracy 0 1 120 Hz 120 Hz 100 Hz 100 Hz 1 kHz 1010 Hz 120 Hz 120 Hz 1 kHz 1010 Hz 10 kHz 9 6 kHz 5 mins without operations 20 C 60 C without battery Temperature coefficient 0 15 x Specified accuracy C 0 C 18 C or 28 C 40 C Power consumption 40 mA for operation 0 08 mA after Auto Power off 0 1 A 250 V fuse Input pro
5. 61000 4 2 1995 A1 1998 A2 2000 IEC 61000 4 3 2006 IEC 61000 4 4 2004 IEC 61000 4 5 2005 IEC 61000 4 6 2003 A1 2004 A2 2006 IEC 61000 4 11 2004 Canada ICES NMB 001 2004 Australia New Zealand AS NZS CISPR11 2004 CAUTION Degradation of some product specifications can occur in the presence of ambient electromagnetic EM fields and noise that affects the product s power line communication or I O cables The product self recovers and operates to all specifications when the source of the ambient EM field and noise is removed the product is protected from the ambient EM field or the product cabling is shielded from the ambient EM noise U1731B U1732B User s and Service Guide Vil Declaration of Conformity DoC The Declaration of Conformity DoC for this instrument is available on the Web site You can search the DoC by its product model or description http regulations corporate agilent com DoC search htm If you are unable to search for the respective DoC please contact your local Agilent representative Vill U1731B U1732B User s and Service Guide In This Guide Getting Started Chapter 1 introduces key features and steps to get started with a U1731B U1 32B dual display handheld LCR meter This chapter also guides you through the basics of the front panel operations Features and Functions Chapter 2 explains how to set up connections to perform meter measurements It also describes the features and functions th
6. in domestic household waste Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring and Control Instrument product The affixed product label is shown as below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Agilent office or visit www agilent com environment product for more information U1731B U1732B User s and Service Guide General Safety Information CAUTION U1731B U1732B User s and Service Guide The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design manufacture and intended use of the instrument Agilent Technologies assumes no liability for the customer s failure to comply with these requirements This meter is for indoor use at an altitude of up to 2 000 m The warnings and precautions should be read and well understood before the meter is used Use this meter only as specified in this manual ot
7. is automatically disabled It is recommended that the LCR meter should always be powered off when not in use Low Battery Indication When the annunciator is blinking on the display this shows that the battery voltage is below normal working voltage and is weakening Replace the battery with a new battery to maintain the precision of the LCR meter To replace the battery refer to Chapter 3 Battery Replacement Backlit Display Only Available for U1732B REMOTE Press and the hold key for more than one second to toggle backlit ON OFF This function is only available for the U1732B U1731B U1732B User s and Service Guide 19 2 Features and Functions Communication Optional Accessories The LCR meter can be adapted for communication capability The optional IR USB package comes with a full optically isolated cable and software This function enables you to record data easily To use this function you will need a U1173A IR to USB cable purchased separately and the data logging software You can download the data logging software from the Agilent web site at http www agilent com find hhTechlib Refer to the following procedure to set up the communication between your LCR meter and personal computer PC 1 Connect one side of the cable to the meter with the Agilent logo facing up and connect the USB connector to the PC 2 Press the REMOTE key to enable this interface the annunciator will be shown on the display 3 Run
8. pF lt 5 0 pF lt 5 0 pF Parallel Capacitance Rs Tweezers Short lt 0 15 Q lt 0 15 Q lt 0 15 Q lt 0 15 Q o eee Ls Tweezers Short lt 1 0 pH lt 1 0 pH lt 1 0 pH lt 1 0 pH ee S S S 1 The specification is specified at 23 C 5 C and lt 75 R H 2 The tweezers are recommended to measure the SMD components for C lt 200 uF or L lt 20 mH or R lt 10 MQ Environmental condition This tweezers is for indoor use at an altitude of up to 2 000 m Operation temperature 0 C to 50 C R H 80 Storage temperature 20 C to 60 C WARNING To avoid electrical shock never use wet tweezers with your instruments 36 U1731B U1732B User s and Service Guide www agilent com Contact us To obtain service warranty or technical support assistance contact us at the following phone numbers United States tel 800 829 4444 fax 800 829 4433 Canada tel 877 894 4414 fax 800 746 4866 China tel 800 810 0189 fax 800 820 2816 Europe tel 31 20 547 2111 Japan tel 81 426 56 7832 fax 81 426 56 7840 Korea tel 080 7690800 fax 080 769 0900 Latin America tel 305 269 7500 Taiwan tel 0800 047 866 fax 0800 286 331 Other Asia Pacific Countries tel 65 6375 8100 fax 65 6755 0042 Or visit Agilent worldwide web at www agilent com find assist Product specifications and descriptions in this document subject to change without notice Always refer to the Agilent Web s
9. terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Soft ware and technical data rights granted to the federal government include only those rights customarily provided to end user cus tomers Agilent provides this customary commercial license in Software and techni cal data pursuant to FAR 12 211 Technical Data and 12 212 Computer Software and for the Department of Defense DFARS 252 227 7015 Technical Data Commercial Items and DFARS 227 7202 3 Rights in Commercial Computer Software or Com puter Software Documentation Safety Notices CAUTION A CAUTION notice denotes a haz ard It calls attention to an operat ing procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly per formed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated condi tions are fully understood and met U1731B U1
10. the Data Logger software to transfer the data to the PC for your applications 4 To remove the cable press and pull the snap ends on each side of the cable that is connected to the meter The side with the Agilent logo must be facing up Connect to the PC s USB port Press the snaps to remove the cable Figure 2 6 Cable connection for remote communication 20 U1731B U1732B User s and Service Guide U1731B U1732B Dual Display Handheld LCR Meter e User s and Service Guide ee 3 Service and Maintenance e Service 22 Battery Replacement 22 Fuse Replacement 24 Replacement Parts 25 Cleaning the LCR Meter 26 Specification Validation 27 This chapter describes the service and maintenance procedures for the U1731B U1732B dual display handheld LCR meter Repair or service that are not covered in this manual should only be performed by qualified personnel ee Agilent Technologies 21 3 Service and Maintenance Service To avoid electrical shock do not perform any service unless you are qualified to do so If the instrument fails to operate check the battery and test leads Replace the battery or test leads if necessary If the instrument still cannot function check again the operating procedures described in this instruction manual When servicing use specified replacement parts only The LCR meter must be completely turned off while replacing either the fuse or battery Battery Replacement CAUTION
11. 00 Cx 10 DF lt 0 1 3 0 6 DF lt 0 2 5 0 100 Cx 8 DF lt 0 2 1 5 5 DF lt 0 5 1 5 100 Cx 6 DF lt 0 5 1 5 5 DF lt 0 5 1 5 100 Cx 6 DF lt 0 5 0 1 5 5 DF lt 0 5 1 5 100 Cx 6 DF lt 0 5 2 0 6 DF lt 0 5 3 0 100 Cx 6 DF lt 0 1 3 0 8 DF lt 0 1 5 0 100 Cx 8 DF lt 0 1 1 Q value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 Device Under Test DUT and test leads need to be properly shielded to GUARD if necessary 4 Cx Counts of displayed C value e g C 88 88 uF then Cx 8888 It is recommended to set the test frequency to 1 kHz for a mult layer ceramic capacitor of 10 uF and below Inductance Series mode Test Frequency 100 Hz 120 Hz Range Maximum Asowaoy Specified Not Display Inductance o 1000 H 999 9 H 1 0 Lx 10000 5 2 0 100 Lx 5 After open cal 200 H 199 99 H 0 7 Lx 10000 5 1 2 100 Lx 5 e an e ore ooo o o 20m 19999mH 0e ooo o U1731B U1732B User s and Service Guide 31 4 Specifications Inductance Series Mode Test Frequency 1 kHz Range Maximum Accurasy Specified Note Display mmductance o0 100 H 99 99 H 1 0 Lx 10000 5 2 0 100 Lx 5 After open cal 19 999 H 0 7 Lx 10000 5 1 2 100 Lx 5 pe 0 7 Lx 10000 5 1 2 100 Lx 5 0 7 Lx 10000 5 1 2 100 Lx 5 1 0 Lx 10000 5
12. 732B User s and Service Guide Safety Symbols The following symbols on the instrument and in the documentation indicate precautions that must be taken to maintain safe operation of the instrument om OO a a um Both direct and alternating Equipment protected throughout current by double insulation or reinforced insulation Three phase alternating current a Caution risk of electric shock Earth ground terminal Caution risk of danger refer to this manual for specific Warning or Caution information zs Protective conductor terminal ve Caution hot surface Frame or chassis terminal Out position of a bi stable push control B Equipotentiality In position of a bi stable push ww control U1731B U1732B User s and Service Guide I Regulatory Markings The CE mark is a registered The C tick mark is a registered trademark of the European trademark of the Spectrum C Community This CE mark shows Management Agency of Australia This that the product complies with all signifies compliance with the Australia ISM 1 A the relevant European Legal Directives EMC Framework regulations under the terms of the Radio Communication Act of 1992 ICES NMB 001 indicates that this This instrument complies with the ICES NMB 001 ISM device complies with Canadian WEEE Directive 2002 96 EC marking ICES 001 requirement This affixed product label indicates that you must not discard this electrical electronic product
13. Agilent U1731B U1732B Dual Display Handheld LCR Meter User s and Service Guide Agg Agilent Technologies Notices Agilent Technologies Inc 2009 2012 No part of this manual may be reproduced in any form or by any means including elec tronic storage and retrieval or translation into a foreign language without prior agree ment and written consent from Agilent Technologies Inc as governed by United States and international copyright laws Manual Part Number U1731 90059 Edition Third Edition March 21 2012 Printed in Malaysia Agilent Technologies Inc 5301 Stevens Creek Blvd Santa Clara CA 95051 USA Warranty The material contained in this docu ment is provided as is and is sub ject to being changed without notice in future editions Further to the max imum extent permitted by applicable law Agilent disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connec tion with the furnishing use or per formance of this document or of any information contained herein Should Agilent and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty
14. Getting Started The Input Terminal at a Glance WARNING To avoid damaging this instrument do not exceed the input limit Do not apply voltage to input terminals Discharge the capacitor before testing Figure 1 4 Input terminals sockets of U1 31B U1 32B dual display handheld LCR meter No Terminals Positive terminal socket aie Negative terminal socket GUARD Guard terminal socket 8 U1731B U1732B User s and Service Guide U1731B U1732B Dual Display Handheld LCR Meter User s and Service Guide 2 Features and Functions Inductance Measurement 10 Resistance Measurement 12 Data Hold 13 Static Recording 13 Dissipation Factor Quality Factor Phase Angle 13 Test Frequency 14 LCR Function Selector 14 Relative 14 Tolerance 15 Auto Manual Range 15 Automatic Fuse Detection 16 Parallel Series Mode 16 CAL Function 17 Enable Disable Auto Power Off 19 Low Battery Indication 19 Backlit Display Only Available for U1732B 19 Communication Optional Accessories 20 This chapters provides detailed information on the features and functions that are available in the U1731B U1732B dual display handheld LCR meter Bee Agilent Technologies 2 Features and Functions Inductance Measurement 10 gt 999 19999 Figure 2 1 Inductance measurement 1 Press the key to power on the LCR meter 2 Press the L C R key to select inductance L measurement 3 Insert an inductor int
15. X display with accuracy that is not specified 26 U1731B U1732B User s and Service Guide Specifications 4 Capacitance Parallel Mode Test Frequency 1 kHz Range Maximum Specified Note o Display Capacitance o Im 1 999me 80 5 DFe 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 au rosou 07 10FO5 07 100705 F05 OOOO aan 19989 uF osoro 07 T00 cx 5 0F05 O 20n foson 07 ATOR 07 100 Cxr5 0FO5 1 0 5 DFD This reading can be extended up to 1999 MAX display with accuracy that is not specified 1 Q value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 Device Under Test DUT and test leads need to be properly shielded to GUARD if necessary 4 Cx Counts of displayed C value e g C 88 88 uF then Cx 8888 It is recommended to set the test frequency to 1 kHz for a mult layer ceramic capacitor of 10 uF and below Inductance Series Mode Test Frequency 120 Hz Range Maximum Accuracy Specified Note Display Inductance OF 1000 H 999 9 H 1 0 Lx 10000 5 2 0 100 Lx 5 After open cal 200 H 199 99 H 0 7 Lx 10000 5 1 2 100 Lx 5 es 3 0 7 Lx 10000 5 1 2 4 100 Lx 5 eG 0 7 Lx 10000 5 1 2 100 Lx 5 pe 1 0 Lx 10000 5 2 0 Lx 10000 5 U1731B U1732B User s and Service Guide 27 4 28 Specifications Inductance Series Mode Test Frequency 1 kHz Range Maxim
16. and Functions 2 Tolerance The tolerance ranges available are 1 5 10 and 20 To enter 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 key to set this value as the standard reference tolerance Similarly any value which appears on the display such as DH or MAX MIN AVG can be used as a standard value to sort components Press this key again to cycle through 1 5 10 and 20 tolerance as desire This function is designed for convenient component sorting The beeper will beep three times whenever the component under test exceeds the setting tolerance Conversely when the beeper beeps once this indicates that the component is within the setting tolerance 1 The tolerance mode cannot be activated if OL or 0000 is shown on the display or when the tested capacitance value is below 10 counts 2 Tolerance mode is only available in manual ranging however activation while in auto ranging will automatically set the LCR meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The tolerance mode cannot be activated if the LCR meter is set to auto ranging with data hold mode activated 4 The 20 tolerance selection is only available for U1 32B Auto Manual Range The LCR meter is set to auto ranging mode by default when the meter is powered on For specific measurement press AUTO MANUAL key t
17. at are available in the U1 31B U1 32B dual display handheld LCR meter in step by step instructions Service and Maintenance Chapter 3 explains the services and maintenance procedures for the U1 31B U1 32B dual display handheld LCR meter Specifications Chapter 4 lists the specifications and characteristics of the U1731B U1 732B dual display handheld LCR meter U1731B U1732B User s and Service Guide IX U1731B U1732B User s and Service Guide Contents Contents 1 Getting Started Introduction 2 Checking the Shipping Contents 3 The Front Panel ata Glance 4 Display Annunciators 5 The Keypad ata Glance 7 The Input Terminal ata Glance 8 2 Features and Functions Inductance Measurement 10 Capacitance Measurement 11 Resistance Measurement 12 Data Hold 13 Static Recording 13 Dissipation Factor Quality Factor Phase Angle 13 Test Frequency 14 LCR Function Selector 14 Relative 14 Tolerance 15 Auto Manual Range 15 Automatic Fuse Detection 16 Parallel Series Mode 16 CAL Function 1 7 Enable Disable Auto Power Off 19 Low Battery Indication 19 Backlit Display Only Available for U1 32B 19 Communication Optional Accessories 20 3 Service and Maintenance Service 22 Battery Replacement 22 U1731B U1732B User s and Service Guide XI Contents Fuse Replacement 24 Replacement Parts 25 Cleaning the LCR Meter 26 Specification Validation 27 4 Specifications U1731B Electrical Specifications 26 U1732B Electrical Specifications 29 Ge
18. cklight display capability for better visibility in the dark A tilt stand gives you flexibility in positioning the LCR meter for viewing and operating The over molding rubber case protects the LCR meter Single 9 V battery operation is standard for the LCR meter but a DC 12 V power adaptor can also be used as a power input U1731B U1732B User s and Service Guide Getting Started 1 Checking the Shipping Contents Inspect and verify that you have received the following items for the standard purchase of the U1731B U1732B and or accessories that you may have ordered If any of the item listed below are missing contact your nearest Agilent Technologies sales office Table 1 1 List of standard and optional accessories Standard Agilent U1731B U1732B Quick Start Guide Alligator clip leads 9 V Alkaline battery Certificate of Calibration CoC U5481A IR to USB cable U1731B U1732B User s and Service Guide 3 1 Getting Started The Front Panel at a Glance 8 LCR ret oH D AUTO MAX AVG MIN rey dep TOL1 5 10 20 al kHz QOFF PAL a SER MA mH l ze a s 8 i wens es a BOOD S Annunciator OFF i i display gt OHO 4l Keypad Input terminals GUARD U1731B U1732B Figure 1 1 Front panel of U1731B and U1732B dual display handheld LCR meter U1731B U1732B User s and Service Guide Getting Started 1 Display Annunciators 8 9 10 11 121314 15 OOD LOO nooo CLE F
19. e measurement performed at the test socket 2 Device Under Test DUT amp test leads needs to be properly shielded to GUARD if necessary U1731B U1732B User s and Service Guide 29 4 Specifications Capacitance Parallel Mode Test Frequency 100 Hz 120 Hz Range Maximum Specified Note e a 3 0 5 DF lt 0 1 10 0 100 Cx 5 DF lt 0 1 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 200pF 19999 07 BIRDS 07 100 Cx 5 F05 20 T T9909HF _ _ 07 3 DFCOS 07 10070x 5 F0 2000 nF Proa 07 3 DFEOS 0 7 4 100 CK 5 0F lt 05 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 This reading can be extended up to 1999 MAX display with accuracy that is not specified t This reading can be extended up to 19999 MAX display with accuracy that is not specified Capacitance Parallel Mode Test Frequency 1 kHz Range Maximum Specified Note O ten tans pe ene 30 5 F amp O 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 a aooo 07 F3 DFEDS 07 100 CK 5 0F lt 05 o 200m ooon 07 1OFKO5 079 10070x 5 F0 Pao 19880nF 07 910FO5 07 1070x1500 OOOO 1 0 5 DFD This reading can be extended up to 1999 MAX display with accuracy that Is not specified 30 U1731B U1732B User s and Service Guide Specifications 4 Capacitance Parallel Mode Test Frequency 10 kHz Range Maximum Specified Note Display Capacitance OF 3 0 8 DF lt 0 1 12 0 1
20. easurements Correction CAL prompts will be displayed automatically every time these ranges are manually or functionally selected e g REL TOL REC etc and therefore correction is recommended Figure 2 5 Open calibration and short calibration Measurements performed in extremely high or low ranges that require corrections are predefined as open cal or short cal Refer to the Specified Note column of any of the L C or R measurement from Chapter 4 U1731B Electrical Specifications starting on page 26 or Chapter 4 U1732B Electrical Specifications starting on page 29 to find out which of these measurement ranges are indicated with After open cal or After short cal These predefined ranges will require you to connect the terminal connection as open or short to achieve the accuracy in the table U1731B U1732B User s and Service Guide 17 2 Features and Functions Follow the instructions below to perform the CAL function 1 Press and hold the CAL key for more than one second to enter CAL mode 2 CAL prompts will be shown on the display 3 Press the MANUAL key to select the desired range for correction Follow the prompts instruction on the upper right of the display of the selected range for the terminal connection Leave the positive and negative connector terminals open for open connector OPn connection or short the connector terminals at short connector Srt connection
21. etely dried before using 26 U1731B U1732B User s and Service Guide Service and Maintenance 3 Specification Validation You can perform self validation of the LCR meter s accuracy by using the recommended equipment with the specified test ranges below Table 3 1 Resistance ranges for functional validation Resistance Parallel Mode Test Frequency 100 Hz 120 Hz 1000 Hz or 10 kHz Recommended Equipment IET 1433 Resistor Box Range Q Test Value Used 200 k 100 k 2000 1000 Table 3 2 Capacitance ranges for functional validation Capacitance Parallel Mode Test Frequency 100 Hz 120 Hz 1000 Hz or 10 kHz Recommended Equipment HACS Z Precision Decade Capacitor Range F Test Value Used Does not support test frequency of 100 Hz 120 Hz and 1000 Hz U1731B U1732B User s and Service Guide 27 3 28 Service and Maintenance Table 3 3 Inductance ranges for functional validation Inductance Series Mode Test Frequency 100 Hz 120 Hz 1000 Hz or 10 kHz Recommended Equipment GR1491 Precision Decade Inductor Range H Test Value Used 2000 p 1000 p Does not support test frequency of 100 Hz and 120 Hz U1731B U1732B User s and Service Guide U1731B U1732B Dual Display Handheld LCR Meter e User s and Service Guide 90 7 Specifications E J rn e U1731B Electrical Specifications 26 U1732B Electrical Specifications 29 General Specifications 33 SMD Tweezers Specification
22. herwise the protection provided by the meter may be impaired When measuring in circuit components first de energize the circuits before connecting them to the test leads Discharge the capacitor before testing The meter is safety certified in compliance with IEC 61010 1 Use the meter only as specified in this manual Otherwise the protection provided by the meter may be impaired The power for the meter is supplied with a single standard 9 V battery Line operation is also possible using a 12 VAC to DC adaptor If a power adaptor is selected please be sure to meet the safety requirements of a relevant IEC standard Ensure proper insertion of the battery in the LCR meter and follow the correct polarity Environmental Conditions Vi This instrument is designed for indoor use in areas with low condensation and to be used with standard or compatible test probes Table 1 shows general environment requirements Table1 Environment requirements Environment Conditions Requirements Operating environment 0 C to 40 C 0 70 R H Storage humidity 0 80 R H non condensing Storage environment 20 C to 50 C 0 80 R H Altitude 0 2 000 meters Pollution degree Pollution degree 2 U1731B U1732B User s and Service Guide CAUTION The U1 31B U1 32B dual display handheld LCR meter complies with the following safety and EMC requirements IEC 61010 1 2001 EN 61010 1 2001 2nd Edition CISPR 11 2003 A1 2004 IEC
23. igure 1 2 LCD display Table 1 1 Descriptions of each annunciator AJEA ferwin OOO GABA Primary display Reading out of HI limit OFF Auto power off indicator TOL 1 5 10 20 Tolerance mode to set 1 5 10 and 20 for sorting Capacitance 7 AUTO AUTO range AUTO range Inductance Capacitance or Resistance L C or R function indicator U1731B U1732B User s and Service Guide 1 Getting Started Static recording mode MAX Maximum reading AVG Average reading MIN Minimum reading pu DH Data hold to hold the displayed digital value je 0 Phase angle indicator only applicable for U1 32B p18 D Dissipation factor indicator pO Quality factor indicator n a omr a erT o e T ie Sirer bener oguere asean afma Groenten af freme Special indication characters e i dDeseriptions Indicates short connectors Indicates calibration mode Indicates damaged or open fuse Indicates open connectors 6 U1731B U1732B User s and Service Guide Getting Started 1 The Keypad at a Glance Figure 1 3 Keypad of U1 31B U1 32B dual display handheld LCR meter Table 1 2 Keypad descriptions and functions No Keys Funes only applicable for U1732B POs To toggle parallel and series mode ToL eme REL Relative mode 6 ene AUTO Auto range HOLD Data hold ic sescmndngante O REMOTE To toggle ON OFF the remote function e oe acticin om eevee O U1731B U1732B User s and Service Guide 7 1
24. ite for the latest revision Agilent Technologies Inc 2009 2012 Printed in Malaysia Third Edition March 21 2012 U1731 90059 fit Agilent Technologies
25. neral Specifications 33 SMD Tweezers Specifications 35 XII U1731B U1732B User s and Service Guide U1731B U1732B Dual Display Handheld LCR Meter e User s and Service Guide e ee 1 Getting Started o Introduction 2 Checking the Shipping Contents 3 The Front Panel ata Glance 4 Display Annunciators 5 The Keypad ataGlance The Input Terminal ata Glance 8 This chapter introduces the key features and getting started tips for the U1731B U1732B dual display handheld LCR meter This chapter also guides you through the basics of the front panel operations Bee Agilent Technologies 1 Getting Started Introduction The 20 000 count dual display handheld LCR meters U1731B and U1732B are special microprocessor controlled meters for inductance capacitance and resistance measurements The LCR meter is simple to operate and is capable of making absolute parallel mode measurements as well as series mode measurement The LCR meter provides direct and accurate measurements of inductors capacitors and resistors with different testing frequencies It offers both automatic and manual range selection The front panel keypad makes it convenient to select features and functions such as data hold maximum minimum and average record mode relative mode tolerance sorting mode frequency selection and LCR selection The test data can be transferred to a PC via an optional full isolated optical IR USB interface The U1732B offers ba
26. ng however activation while in auto ranging will automatically set the LCR meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges Dissipation Factor Quality Factor Phase Angle The D Q 0 values can be displayed interchangeably by pressing the D Q 0 key when the LCR meter is set to inductance or capacitance mode This setting does not apply to resistance measurement The phase angle mode is only available for the U1732B U1731B U1732B User s and Service Guide 13 2 Features and Functions Test Frequency The testing frequency is set to 1 kHz by default Press the FREQ key to select the desired test frequency LCR Function Selector Press the L C R key to select the L C or R function as desired Relative Press the REL key to enter the relative mode and store the display reading as a reference value It will then display all subsequent readings relative to reference value Press the key again to exit the relative mode 1 The relative mode cannot be activated if the display value is either OL or 0000 2 Relative mode is only available in manual ranging however activation while in auto ranging will automatically set the LCR meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The relative mode cannot be activated if the LCR meter is set at auto ranging with data hold activated 14 U1731B U1732B User s and Service Guide Features
27. o select manual ranging To return to the auto ranging mode press and hold the AUTO MANUAL key for more than one second U1731B U1732B User s and Service Guide 15 2 Features and Functions Automatic Fuse Detection When the LCR meter detects that the protective fuse is open or damaged the FUSE character as shown in Figure 2 4 will appear on the display and the beeper will beep continuously In this situation none of the function keys can be operated and all other LCR meter functions will be discontinued Fuse replacement is required To replace protective fuse refer to Chapter 3 Fuse Replacement Figure 2 4 Fuse detection Parallel Series Mode The LCR meter can display parallel PAL and series SER mode data for all ranges For capacitance and resistance measurements the LCR meter is set to parallel mode by default Series mode is the default setting for inductance measurement Press the L C R key for more than one second to toggle PAL and SER mode 16 U1731B U1732B User s and Service Guide Features and Functions 2 CAL Function The CAL function is a correction function which enables the LCR meter s internal parameters and external connector residues to be offset corrected to achieve measurements with higher accuracy The CAL function is only available for extremely high or low L C and R ranges It is highly recommended that you correct extremely high or low ranges for L C and R before making precision m
28. o component receptacle socket or connect the test clip to the component leads as required 4 Press the FREQ key to select testing frequency 5 Press the D Q or D Q key to select Q factor for secondary display 6 Read the display readings for inductance value and quality factor It is recommended that you calibrate the LCR meter before testing to achieve optimum precision for all L C and R measurements at either the highest or lowest ranges U1731B U1732B User s and Service Guide Features and Functions 2 WARNING To avoid electrical hazards discharge the capacitor to be tested before measuring Capacitance Measurement X6 Agilent U1732B 999 5A X X olof z L CIR a REL O B Figure 2 2 Capacitance measurement 1 Press the key to turn on the LCR meter 2 Press the L C R key to select capacitance C measurement 3 Insert a capacitor into the component receptacle socket or connect the test clip to the component leads as required 4 Press the FREQ key to select testing frequency 5 Press the D Q or D Q key to select D factor for secondary display 6 Read the display readings for capacitance value and dissipation factor U1731B U1732B User s and Service Guide 11 2 Features and Functions Resistance Measurement HE Agilent U1732B REMOTE x a DIQIe FREQ are l li L CIR REL E CJ Figure 2 3 Re
29. s 35 This chapter contains the U1731B U1732B dual display handheld LCR meter s electrical and general specifications Bee Agilent Technologies 25 4 Specifications U1731B Electrical Specifications Accuracy is expressed as of reading number of least significant digits at 23 C 5 C and lt 75 R H Resistance Parallel Mode Test Frequency 120 Hz 1 kHz Display 10 MQ 9 999 MQ 2 0 8 2 0 8 After open cal 2000 KQ 1999 9 KQ 0 5 5 0 5 5 After open cal 200 KQ 199 99 KQ 0 5 3 0 5 3 Sa Specified Note os Joses ooo os Joses OoOo axs oane 1240 This specification is based on the battery operation 1 This specification is based on the measurement performed at the test socket 2 Device Under Test DUT and test leads need to be properly shielded to GUARD if necessary Capacitance Parallel Mode Test Frequency 120 Hz Range Maximum Aecwacy Specified Noto Display Capacitance D 19 99 mF 3 0 5 DF lt 0 1 10 100 Cx 5 DF lt 0 1 After short cal 1000 pF 1999 9 pF 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 After short cal 200nF fosso os reos O7K 1OO xS OROH aw fiosan _ O7 SOROS O7 I00 Cx 5 005 20n iasan 07 SIOFROS O7 I00 Cx H5IORO5 1 0 5 DF lt 0 1 2 0 100 Cx 5 DF lt 0 1 This reading can be extended up to 1999 MAX display with accuracy that is not specified t This reading can be extended up to 19999 MA
30. sistance measurement 1 Press the key to turn on the LCR meter 2 Press the L C R key to select Resistance measurement 3 Insert a resistor into the component receptacle socket or connect the test clip to the component leads as required 4 Press the FREQ key to select testing frequency Read the display readings for resistance value 12 U1731B U1732B User s and Service Guide Features and Functions 2 Data Hold The data hold function allows the user to freeze the display To enter this mode press the HOLD key Press the key again to release Static Recording Press the REC key for more than one second to enter the static recording mode The maximum and minimum readings are then stored in memory The beeper will beep once when a new reading has been recorded Press the same key to cycle through the maximum minimum and average of the present readings The MAX MIN or AVG annunciator will appear on the display to indicate which value is being displayed Whenever the MAX AVG MIN anunciators appear on the display simultaneously the display reading is always a present value To exit this mode press and hold the key for more than one second 1 Static recording captures only stable values and updates the memory it will not record any overload OL value for any of the LCR functions In addition the LCR meter will not record values below 50 counts in capacitance measurement 2 Static recording is only available in manual rangi
31. tective 5 to 7 hours typical without backlight based on new alkaline U1731B U1732B User s and Service Guide 33 4 34 Specifications Backlight display Not available Available Dimension Wx Lx H 87 mm x 184 mm x 41 mm Designed in compliance with IEC 61010 1 for Pollution Degree 2 Warranty Please refer to http www agilent com go warranty_terms e3 years for main unit 3 months for standard accessories unless otherwise specified For the main unit Agilent s warranty also does not cover Damage from contamination Normal wear and tear of mechanical components Manuals fuses or standard disposable batteries U1731B U1732B User s and Service Guide Specifications 4 SMD Tweezers Specifications The SMD tweezers are used for L C R meter and built in banana input terminals The SMD tweezers are much more convenient to be used to measure the SMD components It is recommended to measure the surface mount device as well as the maximum opening of the tweezers The tweezers have 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 approximately 770 mm 380 3 see Figure 4 1 770 20 Red Hi S Black Lo S Figure 4 1 SMD tweezers U1731B U1732B User s and Service Guide 35 4 Specifications Electrical characteristics Parameters Test Condon 100m wom 1o w Cp Tweezers Open lt 5 0 pF lt 5 0
32. um Accurasy Specified Note Display Inductance o0 100 H 99 99 H 1 0 Lx 10000 5 2 0 100 Lx 5 After open cal 19 999 H 0 7 Lx 10000 5 1 2 100 Lx 5 pe 0 7 Lx 10000 5 1 2 100 Lx 5 fe 0 7 Lx 10000 5 1 2 100 Lx 5 ie l 1 0 Lx 10000 5 3 0 100 Lx 5 2 0 Lx 10000 5 10 0 100 Lx 5 1 Qvalue is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 Device Under Test DUT and test leads need to be properly shielded to GUARD if necessary 4 Lx Counts of displayed L value e g L 88 88 H then Lx 8888 U1731B U1732B User s and Service Guide Specifications 4 U1732B Electrical Specifications Accuracy is expressed as of reading number of least significant digits at 23 C 5 C and lt 75 R H Resistance Parallel Mode Test Frequency 100 Hz 120 Hz Display 10 MQ 9 999 MQ 2 0 8 2 0 8 After open cal 2000 kQ 1999 9 KQ 0 5 5 0 5 5 After open cal Range Maximum Specified Note 05 3 oss oS asks osmes ooo y EZE osr SSS 08 5 1 2 40 1 2 40 This specification is based on the battery operation Resistance Parallel Mode Test Frequency 1 kHz 10 kHz Range Maximum Specified Note mapay ee e 2 8 _ 35 10 p55 aor s oe ises ooo oes ises ooo as 2m a0 2520 This specification is based on the battery operation 1 This specification is based on th
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