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Table of Contents

[1]

 

SAFETY PRECAUTIONS

1-1 

Explanation of Warning Symbols ………………………… 1

1-2 

Warning Instructions for Safe Use ………………………… 2

[2]  APPLICATIONS AND FEATURES

2-1 Applications ………………………………………………… 3

2-2 Features ……………………………………………………… 3

[3] PART IDENTIFICATION

3-1 

LCR meter and clipping leads ……………………………… 4

3-2 Display ……………………………………………………… 6

[4] DESCRIPTION OF FUNCTIONS

4-1 

Power Switch ………………………………………………… 7

4-2 

Auto Power Off ……………………………………………… 7

4-3 Buzzer ………………………………………………………… 7

4-4 

Low Battery Indication ……………………………………… 7

4-5 

Measuring Mode Selection ………………………………… 8

4-5-1  Auto LCR Mode ……………………………………………… 8

4-5-2  Manual LCR Mode and DC Resistance Measurement …… 9

4-6 

Measuring Frequency Selection ………………………… 10

4-7 

Series/Parallel Mode ……………………………………… 11

4-8 

Auto Range Selection …………………………………… 11

4-9 

Data Hold ………………………………………………… 11

4-10 

Relative Measurement …………………………………… 11

4-11 

OPEN/SHORT Calibration ……………………………… 13

4-12 

Device Sorting …………………………………………… 17

4-13 Backlight …………………………………………………… 17

4-14 

PC (Personal Computer) Interface ……………………… 17

4-15 

Measuring Principles …………………………………… 19

4-15-1 What is impedance? ……………………………………… 19

4-15-2 Impedance measurement ……………………………… 20 

4-15-3 Principles of OPEN/SHORT Calibration ……………… 21

[5] MEASURING PROCEDURE

5-1 

Connection of DUT (Device Under Test) ……………… 22

5-2 

Pre-operational Check …………………………………… 24

5-3 

Auto LCR Mode Measurement ………………………… 25

5-4 

Manual LCR Mode measurement ……………………… 26

5-4-1  Inductance (L) measurement …………………………… 27

5-4-2  Capacitance (C) measurement ………………………… 28

5-4-3  Resistance (R) measurement …………………………… 29

5-4-4  DC Resistance (DCR) measurement …………………… 29

5-5 

Device Value Sorting ……………………………………… 30

[6] MAINTENANCE

6-1 

Simple Examination ……………………………………… 32

6-2 

Battery Replacement …………………………………… 32

6-3 Storage …………………………………………………… 33

[7] AFTER-SALE SERVICE

7-1 

Warranty and Provision ………………………………… 34

7-2 Repair ……………………………………………………… 34

7-3 

SANWA web site ………………………………………… 35

[8] SPECIFICATIONS

8-1 

General Specifications …………………………………… 36

8-2 

Measuring Range and Accuracy ………………………… 38

Содержание LCR700

Страница 1: ...LCR700 DIGITAL LCR METER INSTRUCTION MANUAL ...

Страница 2: ...ORT Calibration 13 4 12 Device Sorting 17 4 13 Backlight 17 4 14 PC Personal Computer Interface 17 4 15 Measuring Principles 19 4 15 1 What is impedance 19 4 15 2 Impedance measurement 20 4 15 3 Principles of OPEN SHORT Calibration 21 5 MEASURING PROCEDURE 5 1 Connection of DUT Device Under Test 22 5 2 Pre operational Check 24 5 3 Auto LCR Mode Measurement 25 5 4 Manual LCR Mode measurement 26 5 4...

Страница 3: ...e measuring terminals 2 Discharge before making capacitance measurement 3 Incorrect measurement may be performed in a ferromagnetic or intense electric field near transformers high current circuits or radio equipments CAUTION 1 SAFETY PRECAUTIONS Before use read the following safety precautions This instruction manual explains how to use your LCR meter LCR700 Before using read through this manual ...

Страница 4: ...ically selectable L C R measurement Selectable Series Parallel mode Ls Lp Cs Cp measurement with sub parameters D Q θ ESR DC resistance function 6 ranges 200 00 Ω 200 0 MΩ 5 different measuring frequencies 100 120 1 k 10 k 100 kHz Measuring signal source level 0 63 Vrms Typical Measurable ranges ex f 1 kHz L 20 000 μH 20 000 kH C 200 00 pF 20 00 mF R 20 000 Ω 200 0 MΩ 5 terminal measurement 4 term...

Страница 5: ...ce indicator in sorting mode 0 25 0 5 1 2 5 10 20 20 80 Relative mode indicator Sorting mode indicator Unit of readings for main display DC resistance mode indicator Main display Indicator of AC resistance in series or parallel mode Unit of readings for sub display Indicator of capacitance in series or parallel mode Sub display Indicator of inductance in series or parallel mode Indicator of Dissip...

Страница 6: ...no activity If no activity is made before beeping finishes the meter will show OFF and automatically turn its power off To turn on the meter press the POWER button again Note When the meter is powered through an AC DC adopter the Auto Power Off feature is inactive 4 3 Buzzer Whenever an available button is pressed in the function the buzzer beeps one time to indicate the meter has accepted the com...

Страница 7: ...Ls Lp Cs or Cp in the manual LCR mode shows following parameters being switched by pressing D Q θ button Note Usually quality factor Q is used for inductance measurement Inductor with higher Q has lower resistance component Usually dissipation factor D is used for capacitance measurement Capacitor with lower D has lower resistance component Quality factor Q Inductance L component Resistance R comp...

Страница 8: ...terminals as a reference and wait until the readings become stable 4 Press the button to save the reading as a reference value Now the display indicates Δ and the sub display shows 0 0 5 Remove the reference device then connect a DUT to the measuring terminals The main display shows the value of the DUT and the sub display shows the difference from the reference in Pressing the button again shows ...

Страница 9: ...he countdown is complete the display should show PASS 4 11 OPEN SHORT Calibration The OPEN SHORT calibration before measurement reduces the parasitic effect of the test fixture to get better accuracy especially for high low impedance measurement For the calibration principle see 6 3 3 Insert the bundled shorting plate to the directly connectable measuring terminals 4 Press the CAL button again The...

Страница 10: ...the CAL button once again to exit the OPEN SHORT calibration mode For measaurement using the SMD clipping leads CL 700SMD separately available accessory the same procedure as above can be taken to perform the OPEN SHORT calibration Measurement using the clipping leads CL 700 1 Make sure the leads are completely disconnected 2 Press the CAL button for 2 seconds The display shows OPEn 3 Press the CA...

Страница 11: ...n the manual LCR mode For details refer to the section 5 5 4 13 Backlight To turn the Backlight on press button To turn it off press button again The Backlight is disabled automatically after the meter is inactive for 60 seconds 4 14 PC Personal Computer Interface The instrument equips with an IR interface port at the meter back for data communication LCR USB dedicated USB communication unit for L...

Страница 12: ...ductive reactance XL and the other is capacitive reactance XC If θ 0 the reactance is inductive If θ 0 the reactance is capacitive The inductive reactance XL and the capacitive reactance XC can be defined as follows XL 2πƒL XC 1 2πƒC where L Inductance C Capacitance f signal frequency To understand the ratio of resistance and reactance it is important to consider Quality factor Q and Dissipation f...

Страница 13: ...ctable measuring terminals Attach the clipping leads CL 700 bundled item Both Rs and Rp are part of the equivalent circuit of capacitors and inductors To measure capacitance and inductance refer to the settings as shown in the table below 4 15 3 Principle of OPEN SHORT calibration ZM is defined as total impedance measured to a DUT by a test fixture which has some parasitic impedance ZM Rs jωLs Go ...

Страница 14: ...UTION Perform the OPEN SHORT calibration before measurement to ensure the safety and the accuracy For details refer to the section 4 11 5 2 Pre operational Check Attach the SMD clipping leads CL 700SMD separately available accessory The guard line provides a shield for DUT preventing interference when measuring high impedance devices CL 700SMD Electrical Characteristics Parameter Test Condition 10...

Страница 15: ... DCR Auto LCR mode Above each function except Auto LCR mode is in Manual mode 5 3 Auto LCR Mode Measurement 1 Do not apply any voltage or current to the measuring terminals 2 Measuring live circuit may damage the meter 3 Do not touch any metal part of the clipping leads nor the leads of the DUT while measuring WARNING Discharge the capacitor before any measurement CAUTION 1 Measuring ranges L 20 0...

Страница 16: ...ncludes D Q ESR and θ The sub parameter in the Cp function includes D Q Rp and θ Read the display 5 4 1 Inductance L measurement 1 Measuring ranges L 20 000 μH 2000 H auto range 2 Measuring procedure Press the L C R AUTO MANU button to select Ls or Lp function Press the TEST FREQ button to select a measuring frequency Press the S P button to select Ls or Lp Connect a DUT to the measuring terminals...

Страница 17: ...ch the sorting mode and the reading will be saved as a reference PASS will be indicated as shown below Note If you press the SORT button while the meter is reading outside limits OL or while the reading is less than 200 counts the sorting mode is not available To set the decimal point range or tolerance against the reference value press the SETUP button The saved reference value will be shown on t...

Страница 18: ...ent procedure Remove the holster and loosen the Philips head screw fixing the battery door using appropriate screw driver Remove the battery door and replace the battery with new one Caution Observe correct polarity Re fasten the screw and set the holster again The following shows how to set up the details of the sorting mode a Use and or keys to adjust the position of the decimal point as necessa...

Страница 19: ... country of purchase only and applied only to the product purchased from SANWA authorized agent or distributor SANWA reserves the right to inspect all warranty claims to determine the extent to which the warranty policy shall apply This warranty shall not apply to disposables batteries or any product or parts which have been subject to one of the following causes 1 A failure due to improper handli...

Страница 20: ...box that is larger than the product 5 times or more in volume and fill cushion materials fully and then clearly mark Repair Product Enclosed on the box surface The cost of sending and returning the product shall be borne by the customer 7 3 SANWA web site http www sanwa meter co jp E mail exp_sales sanwa meter co jp 8 SPECIFICATIONS 8 1 General Specifications LCD display with Backlight Main displa...

Страница 21: ...erature humidity 20 60 80 RH Safety standard IEC61010 031 EMC IEC61326 1 Under a condition field strength CS 3 V 0 15 80 MHz The following shows a total accuracy of the DC resistance measurement Total accuracy specified accuracy 150 dgt In other ranges or a condition which is worse than the above described condition the accuracy is not specified Power source Single alkaline 9 V battery 6LR61 IEC6L...

Страница 22: ... means an accuracy of rdg in the main display Accuracy of Θ θe θe 180 π Ae deg Ae means an accuracy of rdg in the main display In the capacitance measurement Range 100 120 Hz 1 kHz 10 kHz 100 kHz 200 pF 0 46 1 15 2000 pF 0 29 0 29 0 29 0 40 20 nF 0 29 0 17 0 29 0 17 200 nF 0 17 0 29 0 29 0 40 2000 nF 0 17 0 17 0 29 2 01 20 μF 0 17 0 17 0 57 200 μF 0 17 0 46 2 01 2000 μF 1 14 0 86 20 mF 0 86 In the...

Страница 23: ...F Test frequency 1 kHz Measuring accuracy 0 3 rdg 3 dgt Ae 0 3 rdg ZM 1 2 x 3 14 x 1000 x 180 x 10 9 884 6 Ω Re 0 003 x 884 6 2 65 Ω Accuracy of Q value Qe Condition Q De 1 Ex Inductor to be measured 180 μH Test frequency 10 kHz Measuring accuracy 0 5 rdg 3 dgt Assumption De Ae 0 005 Measured Q value 20 Qe 20 x 20 x 0 005 1 20 x 0 005 2 22 4 terminal measurement with guard shielding The DUT measur...

Страница 24: ...y ink 本社 東京都千代田区外神田2 4 4 電波ビル 郵便番号 101 0021 電話 東京 03 3253 4871 大阪営業所 大阪市浪速区恵美須西2 7 2 郵便番号 556 0003 電話 大阪 06 6631 7361 SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg 4 4 Sotokanda2 Chome Chiyoda Ku Tokyo Japan 01 1301 5008 6010 ...

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