BK Precision 878A Instruction Manual Download Page 3

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TABLE OF CONTENTS

PAGE

Safety

Introduction

Front Panel Illustration

LCD Display Illustration

How to Operate

Operating Instructions



Data Hold



Static Recording



Dissipation Factor / Quality Factor/ Phase Angle



Test Frequency



L/C/R function selector



Relative



Tolerance



Auto/manual ranging



Automatic Fuse Detection



Parallel / Series Mode



Calibration



Auto Power Off/ Disable Auto Power Off



Low Battery Indication



Backlit Display



Communication

General Specification

Electrical Specification

Maintenance

Spanish Manual

Summary of Contents for 878A

Page 1: ...INSTRUCTION MANUAL MANUAL DE INSTRUCCI NES Dual Display LCR Meter Model 878A 879 Medidor LCR de Doble Exhibicion Visual Modelos 878A 879...

Page 2: ...1 DUAL DISPLAY L C R METER INSTRUCTION MANUAL Model A 879 Model B 878A...

Page 3: ...on Factor Quality Factor Phase Angle 13 Test Frequency 14 L C R function selector 14 Relative 14 Tolerance 14 Auto manual ranging 15 Automatic Fuse Detection 15 Parallel Series Mode 15 Calibration 16...

Page 4: ...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 DC Direct Current See...

Page 5: ...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 II CAT...

Page 6: ...nd 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 freq...

Page 7: ...election button Parallel and series mode selection button 7 Tolerance mode selection button 8 Data hold Maximum Minimum and Average reading selection button 9 Range selection button 10 Relative mode a...

Page 8: ...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 Secondary display 12 Bee...

Page 9: ...or 22 SER Series mode indicator 23 Mk Resistance Ohm indicator 24 Inductance Henry indicator 25 Capacitance Farad indicator 26 RS232 indicator Special Indication Characters Indicates short connectors...

Page 10: ...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...

Page 11: ...uctor 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 d...

Page 12: ...ect the test clip to the component leads as required 4 Press FREQ button to select testing frequency 5 Press D Q button to select D factor for secondary display 6 Read the display readings for capacit...

Page 13: ...a resistor into the component receptacle socket or connect the test clip to the component leads as required 4 Press FREQ button to select testing frequency this meter will not give you the DC resistan...

Page 14: ...simultaneously the display reading is always a present value To exit this mode press and hold the pushbutton for more than one second Notes 1 Static recording captures only stable values and updates t...

Page 15: ...ly set the meter to manual ranging and cause calibration prompts to be displayed in the recommended ranges 3 The relative mode cannot be activated if the meter is set at auto ranging with data hold ac...

Page 16: ...ted 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 r...

Page 17: ...libration 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...

Page 18: ...y 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...

Page 19: ...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 2 Press RS232 b...

Page 20: ...ignal Level 0 6Vrms approx Measuring Rate 1 time second nominal Response time Approx 1 second DUT device under test manual range Auto Power Off 5 minutes approx without operation Temperature Coefficie...

Page 21: ...8 5 0 8 5 After short cal 20 19 999 1 2 40 1 2 40 After short cal Test Frequency 1K 10K Hz Range Maximum Display Accuracy Specified Note 1K Hz 10KHz 10 M 9 999M 2 0 8 3 3 5 10 3 After open cal 2000 K...

Page 22: ...199 99nF 0 7 5 DF 0 5 0 7 100 Cx 5 DF 0 5 After open cal 20nF 19 999nF 1 0 5 DF 0 1 2 100 Cx 5 DF 0 1 After open cal Test Frequency 1 KHz Range Maximum Display Accuracy Spec Note Capacitance DF 1mF 1...

Page 23: ...6 DF 0 5 2000pF 1999 9pF 2 0 6 DF 0 5 3 0 100 Cx 6 DF 0 5 After open cal 200pF 199 99pF 3 0 8 DF 0 1 5 0 100 Cx 8 DF 0 1 After open cal Notes 1 Q Value is the reciprocal of DF 2 This specification is...

Page 24: ...0mH 199 99mH 1 0 Lx 10000 5 3 100 Lx 5 After short cal 20mH 19 999mH 2 0 Lx 10000 5 10 100 Lx 5 After short cal Test Frequency 1 KHz Range Maximum Display Accuracy DF 0 5 Spec Note Inductance DF 100H...

Page 25: ...0 100 Lx 10 20mH 19 999mH 1 5 Lx 10000 10 3 0 100 Lx 15 2000 H 1999 9 H 2 0 Lx 10000 10 8 0 100 Lx 20 After short cal Notes 1 1 Q Value is the reciprocal of DF 2 This specification is based on the mea...

Page 26: ...socket 2 DUT Device Under Test Test leads be properly shielded to GUARD if necessary 3 This specification is based on battery operation Capacitance parallel mode Test Frequency 120 Hz Range Maximum Di...

Page 27: ...000pF 1999 9pF 1 0 5 DF 0 1 2 0 100 Cx 5 DF 0 1 After open cal Notes 1 Q Value is the reciprocal of DF 2 This specification is based on the measurement performed at the test socket 3 DUT Test leads sh...

Page 28: ...cy 1 KHz Range Maximum Display Accuracy DF 0 5 Spec Note Inductance DF 100H 99 99H 1 0 Lx 10000 5 2 0 100 Lx 5 After open cal 20H 19 999H 0 7 Lx 10000 5 1 2 100 Lx 5 2000mH 1999 9mH 0 7 Lx 10000 5 1 2...

Page 29: ...servicing use specified replacement parts only The meter must be completely turned off while replacing either the fuse or battery Battery Replacement The meter is powered a single 9V battery with NEDA...

Page 30: ...y 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 screwdr...

Page 31: ...e 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 prev...

Page 32: ...tion 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...

Page 33: ...ccount must include payment in the form 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 K P...

Page 34: ...33 22820 Savi Ranch Parkway Yorba Linda California 92887 www bkprecision com 2006 B K Precision Corporation Printed in 481 524 9 001...

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