878A and 879 Dual Display LCR Meter
Contents
1. 20002 osms ises Notes L This specification is based on the measurement performed at the test socket 2 DUT Device Under Test amp Test leads be properly shielded to GUARD if necessary 3 This specification is based on battery operation 20 Capacitance Parallel mode Test Frequency 100 120 Hz Spec Note Display DF lt 0 1 DF lt 0 1 DF lt 0 1 DF lt 0 1 Ex ee NE DF lt 0 5 DF lt 0 5 _ Moros DF lt 0 5 DF lt 0 5 2000nF 1999 9nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 200nF 199 99nF 0 7 5 0 7 100 Cx 5 After open cal DF lt 0 5 DF lt 0 5 20nF 19 999nF 1 0 5 2 100 Cx 5 After open cal DF lt 0 1 DF lt 0 1 Test Frequency 1 KHz Range Maximum Spec Note Display ImF 1 999mF 5 3 0 5 10 100 5 After short cal pe Loren Moron A 200 199 99 1 0 5 2 0 100 Cx 5 After short cal q a 20 19 999uF 0 7 3 0 7 100 Cx 5 pe osos gros 2000nF 1999 9nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 200nF 199 99nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 DF lt 0 5 DF lt 0 5 2000pF 1999 9pF 1 0 5 2 0 100 Cx 5 After open cal DF lt 0 1 DF lt 0 1 21 Test Frequency 10 KHz Maximum Range Display Fe sene didis SOuF 50 3 0 8 12 100 Cx 10 After short cal DF lt 0 1 DF lt 0 1 20 19 999uF 3 0 6 5 0 100 8 After short cal2. DF lt 0 2 DF lt 0 2 2000nF 1999 9nF 1 5 5 1 5 100 Cx 6 DF lt 0 5 DF lt 0 5 200nF 199 99nF 1 5 5 1 5 100 Cx 6 DF lt 0 5 DF lt 0 5 20nF 19 999nF 1 59645 1 5 100 Cx 6 DF lt 0 5 DF lt 0 5 2000pF 1999 9pF 2 0 6 3 0 100 Cx 6 After open cal DF lt 0 5 DF lt 0 5 200pF 199 99pF 3 0 8 5 0 100 Cx 8 After open cal DF 0 1 DF lt 0 1 Notes I Q Value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 DUT amp Test leads should be properly shielded to GUARD if necessary 4 Cx Counts of displayed C value e g C 88 88uF then Cx 8888 5 This reading be extended to 1999 display with accuracy not specified 6 This reading can be extended to 19999 MAX display with accuracy not specified 22 O Inductance Series mode Test Frequency 100 120Hz Maximum 110000 5 lt 10000 5 A 10000 5 10000 5 10000 5 10000 5 Test Frequency 1 KHz Maximum 10000 5 Ee 110000 5 10000 5 ear a 10000 5 10000 5 Lx 10000 5 23 Test Frequency 10 KHz Maximum Accuracy DF lt 0 5 Range Display ee Sp o poll 1000mH 999 9mH 2 0 Lx 2 0 100 Lx 10 10000 8 200mH 199 99mH 1 5 Lx 2 0 100 Lx 10 10000 8 20mH 19 999mH 1 5 Lx 3 0 100 Lx 15 10000 10 20004H 1999 9 H 2 0 Lx 8 0 100 Lx 20 After short cal 10000 10 Notes 1l 1 Q
3. Measuring Rate 1 time second nominal Response time Approx second DUT device under test manual range Auto Power Off 5 minutes approx without operation Temperature Coefficient 0 15 x Specified Accuracy C 0 18 or 28 40 Operation Temperature 0 to 40 C 0 70 Storage Temperature 20 C to 50 C 0 80 R H Low Battery Indication Approx 6 8V Power Consumption Approx 40mA for operation 0 08mA after Auto Power off Power Requirements 1 DC 9V Battery 2 Ext DC Adaptor DC 12V min 15Vmax Load 50mA Min Protective Fuse 0 1A 250V Fuse input protective Standard Accessories Test alligator clips pair DC Battery User manual Dimensions L W H 7 2 x 3 4 x 1 6 184 x 87 x 41 mm Weight 11 60z 330 grams 19 ELECTRICAL SPECIFICATIONS Accuracy is expressed as of reading no of least significant digits at 23 G 5 Gnd lt 75 Model 879 Resistance Parallel mode Test Frequency 100 120 Hz Maximam wooo osms osa seo oses oses 20002 19990 osa oses Test Frequency 10K Hz Maximum A Range Display IK Hz Gi0KHz SPecified Note 10 MQ 9 999MO 2 09648 3 3 596410 3 After open cal 2000 1999 9KO 0 59645 2 09610 After open cal 200KO 199 99KO 0 59643 15445 woo os ises
4. To obtain warranty coverage in the U S A this product must be registered by completing a warranty registration form on www bkprecision com within fifteen 15 days of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 31 Service Information Warranty Service Please return the product in the original packaging with proof of purchase to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Return the product in the original packaging to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on open account must include payment in the for
5. 2 100 Lx 5 10000 5 20mH 19 999mH 1 0 Lx 3 0 100 Lx 5 After short cal 10000 5 2000uH 1999 9uH 2 0 10 100 Lx 5 After short cal Lx 10000 5 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 leads shall be properly shielded to GUARD if necessary 4 Lx counts of displayed L value e g L 88 88H then Lx 8888 27 MAINTENANCE WARNING To avoid electrical shock do not perform any service unless you are qualified to do so O SERVICE If the instrument fails to operate to check battery and test 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 The meter must be completely turned off while replacing either the fuse or battery O Battery Replacement The meter is powered a single 9V battery with NEDA1604 JISOO6P TEC6F22 carbon zinc or alkaline battery Replace battery if the low battery sign is displayed and flashing Use the following procedures to replace the battery 1 Loosen screws with suitable screwdriver and remove battery cover as Figure 9 2 Replace the degraded battery with a new battery p Figure 9 Battery Replacement 28 Fuse Replacement The meter can self detect if its input protective fuse is either open or damaged In this case the LCD
6. and Calibration selection button DC 12V adaptor input Input sockets and Terminals ones RETA PPEP oe ODIO S 218882 18888 2 8 3 4 9 oe mea s 3 Eds 6 7 11 Ay ras rere em N n hasg as mO ree em T T 5 o L A T Figure 1 Front panel for Model A and Model B LCD DISPLAY ILLUSTRATION 3 4 610 VIS s M IS i R rtu oh al nn aa 7 PAL 2 0000 11010 10 23 Figure 2 LCD Display k AUTO Auto ranging indicator 2 LCR L C or R function indicator 3 MAX Maximum reading indicator 4 AVG Average reading indicator 5 REL Relative mode indicator 6 MIN Minimum reading indicator 7 DH Data hold indicator 8 Phase angle indicator Model A only 9 Q Quality factor indicator 10 D Dissipation factor indicator 11 BBB Secondary display 12 42 tone indicator for tolerance mode 13 Tolerance percentage indicator 14 deg Phase Angle degree indicator Model A only 15 kHz Frequency indicator 16 MAX AVG MIN Recording mode indicators 17 Tolerance mode indicator 18 1 5 10 20 Tolerance sorting percent indicator 7 19 20 21 22 23 24 25 26 QF Auto power off indicator Low battery indica
7. will display the symbol FUSE and an audible beep will sounds continuously warning the user to replace the damaged fuse to maintain the accuracy of measurement While replacing the fuse the power of the meter must be completely shut off 1 Loosen screws with suitable screwdriver and remove battery cover as Figure 9 2 Loosen screws with suitable screwdriver and remove bottom cover as Figure 10 3 Replace the damaged fuse with specified one Figure 10 Fuse Replacement 29 Cleaning the Meter WARNING To avoid electrical shock or damaging the meter never get water inside the case Before cleaning this meter make sure the power is switched in OFF position and remove external DC adaptor To clean the meter wipe the dirty parts with gauze or soft cloth soaked with diluted neutral detergent Do not get too wet to prevent the detergent from penetrating into inside parts and causing damages After cleaning make sure the instrument is dried completely before using 30 Limited One Year Warranty B amp K Precision Corp warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of one year from date of purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt
8. BK PRECISION INSTRUCTION MANUAL MANUAL DE INSTRUCCIONES Dual Display LCR Meter Model 878A 879 Medidor LCR de Doble Exhibicion Visual Modelos 878A 879 DUAL DISPLAY L C R METER INSTRUCTION MANUAL Model A 879 Model B 878A TABLE CONTENTS PAGE Safety 3 Introduction 5 Front Panel Illustration 6 LCD Display Illustration How to Operate 3 3 ON Un Q Q PW WW y Operating Instructions Data Hold Static Recording O Dissipation Factor Quality Factor Phase Angle Test Frequency O L C R function selector O Relative O Tolerance O Auto manual ranging Automatic Fuse Detection O Parallel Series Mode O Calibration Auto Power Off Disable Auto Power Off O Low Battery Indication O Backlit Display Communication General Specification 19 Electrical Specification 20 Maintenance 28 Spanish Manual 33 SAFTEY Read SAFETY INFORMATION before using this meter O NOTE The meter is a hand held battery operated instrument for testing inductance capacitance and resistance If this device is damaged or something is missing contact the place of purchase immediately This manual contains information and warnings must be followed to ensure safe operation as well as to maintain the meter in a safe condition Some common international electrical symbols used in this manual are shown below Table See Explanation In The Manual Table 1 1 Internati
9. Value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 DUT amp Test leads shall be properly shielded to GUARD if necessary 4 Lx counts of displayed L value e g L 88 88H then Lx 8888 24 Model 878A O Resistance parallel mode Test Frequency 120Hz 1KHz Range Maximum Specified Note Display 120 Hz 1KHz 10MQ 9 999MQ 2 0 8 3 2 0 8 3 After open cal 2000KQ 1999 9KQ 0 5 5 0 5 5 After open cal xa 05 os isso 05 os 199990 03 os Notes 1 This specification is based measurement performed at test socket 2 DUT Device Under Test amp Test leads be properly shielded to GUARD if necessary 3 This specification is based on battery operation O Capacitance parallel mode Test Frequency 120 Hz Range Maximum Spec Note pm rhon DF lt 0 1 DF lt 0 1 DF lt 0 1 DF lt 0 1 200uF 99 99 uF 0 7 3 0 7 100 Cx 5 ses eras 20uF 19 999uF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 2000nF 999 9nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 200nF 99 99nF 0 7 5 0 7 100 Cx 5 After open cal DF lt 0 5 DF lt 0 5 DF lt 0 1 DF lt 0 1 25 Test Frequency 1 KHz Range Maximum Spec Note Display ImF 1 999 5 3 09645 10 100 Cx 5 After short cal pm ee Loran Cos A 200 199 99uF 1 0 5 2 0 100 Cx 5 After short cal L
10. ality factor Ne 939 44484 Figure 3 Inductance Measurement 10 Capacitance Measurement Press POWER button to turn on the meter Press L C R button to select capacitance measurement 3 Insert a capacitor into the component receptacle socket or connect the test clip to the component leads as required 4 Press button to select testing frequency 5 Press D Q button to select D factor for secondary display 6 Read the display readings for capacitance value and dissipation factor A Warning To avoid electrical hazards discharge the capacitor to be tested before measuring m ggg 9999 iae em Figure 4 Capacitance Measurement 11 Resistance Measurement Press POWER button to turn on the meter Press L C R button to select Resistance measurement Insert a resistor into the component receptacle socket or connect the test clip to the component leads as required Press FREQ button to select testing frequency this meter will not give you the DC resistance of a component Read the display readings for resistance value Si Figure 5 Resistance Measurement 12 OPERATING INSTRUCTIONS Data Hold This data hold function allows the operator to freeze the display enter this mode press the HOLD pushbu
11. ce capacitance and resistance Extremely simple to operate the instrument not only takes absolute parallel mode measurements but also capable of series mode measurement The meter provides direct and accurate measurements of inductors capacitors and resistors with different testing frequencies It is selectable for auto and manual ranging 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 The test data can be transferred to PC through an optional full isolated optical RS232C interface Backlight display for easy reading in dark places Model A only A tilt stand provides position flexibility for viewing and operating the meter The over molding rubber case protects the meter to be stronger With single 9V battery operation is standard for the meter a DC 12V power adaptor can also be used as an optional power input FRONT PANEL ILLUSTRATION EA DA 10 11 12 LCD display Power ON OFF button RS232 and Backlit button Dissipation factor Quality factor and Phase angle selection button Test frequency selection button Inductance Capacitance and Resistance function selection button Parallel and series mode selection button Tolerance mode selection button Data hold Maximum Minimum and Average reading selection button Range selection button Relative mode
12. l 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 15 measurements the series mode is default for Inductance measurement Press L C R button for more than 1 second to toggle SER and PAL mode Calibration Calibration is available to all ranges Simply press and hold CAL button for more than one second to enter the calibration mode and calibration prompts will be displayed Follow the prompts for open connector Pry or short connector 3r connection and press the CAL button After calibration is completed the meter will be restored to normal display and ready for normal usage set TO EHE oe LHL LAL Figure 7 Open Short Calibration The function calibrates the meter s internal parameters as well as external connector residues for further measuring It is highly recommended to calibrate extremely high or low ranges for L C and R before making precision measurements Calibration prompts will be displayed automatically every time those ranges are manually or functionally selected e g REL TOL etc and calibration is recommended Simply follow the open connector Fn or short connector 1f C instruction and then press the CAL button You may skip the calibration by pressing the D Q button Note
13. m of a money order or credit card For the most current repair charges please visit www bkprecision com and click on service repair Return all merchandise to B amp K Precision Corp with pre paid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North American is included for Warranty Service For overnight shipments and non North American shipping fees please contact B amp K Precision Corp B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem 32 BK PRECISION 22820 Savi Ranch Parkway Yorba Linda California 92887 www bkprecision com 2006 B amp K Precision Corporation Printed in 48 1 524 9 001
14. ng An audible tone will sound whenever the component under test exceeds the setting 14 tolerance Conversely single of indicates the component is within the setting tolerance Notes 1 The tolerance mode can t be activated if the tested display is either OL or 0000 nor can it be activated 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 meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The tolerance mode can t be activated if the meter is set at auto ranging with data hold mode activated 4 For 20 selection is available on Model A only Auto Manual Range The auto ranging mode is default status when the meter is powered on For specific measurement press AUTO button to select manual ranging To return to the auto ranging mode press and hold the AUTO button for more than one second O Automatic Fuse Detection When the meter detects that the protective 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 z AUTO l kHz GOFF SER H Figure 6 Fuse Detection pu O Paralle
15. onal Electrical Symbols Before using the meter read the following safety information carefully In this manual WARNING is reserved for conditions and actions that pose hazard s to the user CAUTION is reserved for conditions and actions that may damage your meter SAFETY INFORMATION ensure that you use this device safely follow the safety guidelines listed below This meter is for indoor use altitude up to 2 000 m The warnings and precautions should be read and well understood before the instrument is used Use this device only as specified in this manual otherwise the protection provided by the meter may be impaired When measuring in circuit components first de energize the circuits before connecting to the test leads Discharge capacitor before testing The meter is safety certified in compliance with EN61010 IEC 1010 1 Installation Category H CAT ID 50 V Pollution Degree 2 environment 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 9V battery But also line operation is possible using a 12V AC to DC adaptor If a power adaptor is selected please be sure to use fulfilled the safety requirements of a relevant IEC standard INTRODUCTION This 19 999 count L C R hand held meter is a special microprocessor controlled meter for measuring functions of inductan
16. optional RS232 package AK 87X with full optical isolated cable and software This function will assist user to record data easily Referring the following procedures to set up the communication between your meter and personal computer 1 Fixes one side of cable to the meter and the text side shall be facing up To connect the 9 pin s terminal of cable to communication port 1 or 2 of personal computer See the Figure 8 Press RS232 button to enable this interface You will find that the symbol of 5232 is lit on the display Execute the software to take the data for your applications Be sure to push the snap ends on the cable of meter side for removing the cable The text side shall be facing Figure 8 Cable Connection Of Communication 18 GENERAL SPECIFICATION Items 879 878A Parameters Measured L C R D Q O L C R D Q Measuring Circuit Mode Inductance L Defaults to series mode Capacitance Resistance C R Defaults to parallel mode Displays L C R Maximum display 19999 D Q Maximum display 999 Auto Range Ranging Mode Auto amp Manual Measuring Terminals 3 terminals with sockets Test Frequency 100Hz 100 Hz 120Hz 120 Hz Accuracy 120Hz 120 Hz 1KHz 1010 Hz 0 1 1KHz 1010 Hz 10KHz 9 6 KHz Backlit display Included Excluded Tolerance mode 1 5 10 20 1 5 10 Test Signal Level 0 6Vrms approx
17. ora Peron 20uF 19 999uF 0 7 3 0 7 100 Cx 5 eras os 2000nF 1999 9nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 200nF 199 99nF 0 7 3 0 7 100 Cx 5 DF lt 0 5 DF lt 0 5 DF lt 0 5 DF lt 0 5 2000pF 1999 9pF 1 0 5 2 0 100 Cx 5 After open cal DF lt 0 1 DF lt 0 1 Notes Q Value is the reciprocal of DF This specification is based on the measurement performed at the test socket DUT amp Test leads should be properly shielded to GUARD if necessary Cx Counts of displayed C value e g C 88 88uF then Cx 8888 This reading can be extended to 1999 MAX display with accuracy not specified This reading can be extended to 19999 MAX display with accuracy not specified fno Rogo a NOTE Specifications and information are subject to change without notice Please visit www bkprecision com for the most current product information 26 O Inductance Series mode Test Frequency 120Hz Range Maximum Spec Note Display 1000H 999 9H 1 096 Lx 2 100 Lx 5 After open cal eal A 200H 199 99 0 7 Lx 1 2 100 Lx 5 BINE HEN 19 999H 0 7 Lx 1 2 100 Lx 5 mese SSE pl s E 10000 5 10000 5 20mH 19 999mH 2 0 Lx 10 100 Lx 5 After short cal Test Frequency 1 KHz Display 100H 99 99H 1 0 Lx 2 0 100 Lx 5 After open cal We meee 20H 19 999 0 7 Lx 1 2 100 Lx 5 aran S 10000 5 200mH 199 99mH 0 7 Lx 1
18. s 1 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 16 2 Be sure to use same testing position after short calibration Auto Power Off Disable Auto Power Off When the meter has not been used for five minutes after the last operation was made a long 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 When the meter is to be used for long period the auto power off can be disabled by pressing and holding L C R button while turning meter ON Release the button and press any button again The symbol will be disappeared 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 Note It is recommended that the meter should always be switched off when not in use O Low Battery Indication When the symbol flashes on the display the battery voltage is below normal working voltage and is weakening Replace battery with a new one to maintain accuracy of the meter O Backlit Display Model A only Press and hold TE i key for more than one second to toggle backlit ON OFF 17 L Communication This meter has communication capability By using the
19. st Frequency Default testing frequency is 1KHz Push FREQ key to select the desired test frequency O L C R Function Selector Simply press the L C R pushbutton to select the desired L or R function O Relative Press the REL key to enter the relative mode and stores the display reading as a reference value It will then display all subsequent readings in relative to reference value Press the button again to exit the relative mode Notes 1 The relative mode can t 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 meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 relative mode cannot be activated if the meter is set at auto ranging with data hold activated O Tolerance There are 1 5 10 and 20 tolerance range 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 this button again to cycle through 1 5 10 and 20 tolerance as desire This function is designed for convenient component sorti
20. tor PAL Parallel mode indicator SER Series mode indicator Resistance Ohm indicator MH Inductance Henry indicator PUNI Capacitance Farad indicator 5232 RS232 indicator Special Indication Characters 5 H LI f L Indicates short connectors Indicates open connectors HI Beh LIL Indicates calibration mode E 115 DE Indicates damaged or open fuse HOW N Caution When measuring within circuit the circuit must de energized before connecting the test leads The instrument that used in dusty environment should be wiped and cleaned regularly Do not leave the instrument exposed to direct heat from the sun or beat source for long periods Before removing the cover ensure that the instrument is disconnected from any circuit and in power OFF position 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 Inductance Measurement Press the POWER button to turn on the meter Press L C R button to select inductance measurement 3 Insert an inductor into component receptacle socket or connect the test clip to the component leads as required 4 Press FREQ button to select testing frequency 5 Press D Q button to select Q factor for secondary display 6 Read the display readings for inductance value and qu
21. tton press again to release O Static Recording Press the REC pushbutton for more than 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 maximum minimum and average of the present readings The MAX MIN or AVG indicators will display on LCD will turn on to indicate what value is being displayed Whenever the MAX AVG MIN indicators appear on the LCD simultaneously the display reading is always a present value exit this mode press and hold the pushbutton for more than 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 which values are below 50 counts in Capacitance measurement 2 Static recording is only available in manual ranging however activation while in auto ranging will automatically set meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges Dissipation Factor Quality Factor Phase Angle The D Q value can be displayed interchangeably by pressing the D Q O button when the meter is set to Inductance or Capacitance mode It does not apply to resistance measurement The phase angle is available on Model A only 13 Te
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