Sanwa cd732 Instruction Manual Download Page 6

Page: 6 / 36

・

When the removable test pin covers are mounted

: CAT.III 600 V

・

When the removable test pin covers are not mounted: CAT.II 1000 V

(DC 1000 V / AC 750 V for meter)

3-2 Multimeter, Test leads

Display

Data hold

button

Select

button

Safety cover

6 ·15 A input

terminal

Test lead

Continuity

lamp

Fix

Range hold

button

Holster(H-70)

V,Hz,Duty,

●

A, mA

input terminal

Stand

Wall

hanger

Power switch

and function

switch

COM- input

terminal

– 35 –

Summary of Contents for cd732

Page 1: ...CD732 DIGITAL MULTIMETER 取扱説明書 INSTRUCTION MANUAL ...

Page 2: ...istance measurement Ω 43 5 7 Diode test 44 5 8 Circuit continuity check 45 5 9 Capacitor measurement 46 5 10 Current Measurement µA mA A 47 5 10 1 DC AC current DC AC µA DC AC mA 47 5 10 2 DC AC current DC AC A 48 5 11 How to use optional products 50 5 11 1 Measurement using the AC flexible clamp sensor CL3000 50 5 11 2 Measurement using the DC AC current probe CL 22AD 51 5 11 3 Measurement using ...

Page 3: ...nce to it when necessary Using this product in ways not specified in this manual may damage its protection function The instruction given under the heading WARNING CAUTION must be followed to prevent accidental burn or electrical shock 1 1 Explanation of Warning Symbols The meaning of the symbols used in this manual and attached to the product is as follows Very important instruction for safe use ...

Page 4: ...nse electric field such as places near a transformer a high current circuit and a radio The meter may malfunction or correct measurement may not be performed when measuring special waveform such as that of the inverter circuit CAUTION 5 6 7 8 9 10 11 12 13 1 2 Maximum rating input value Function Input Maximum overload protection value 1 3 Maximum Overload Protection Input DCV ACV Hz Duty Ω V Hz Du...

Page 5: ...ut can also be used in circuit analyses by using the additional functions 2 2 Features Safe design compliant to international safety standards including EN61010 1 CAT III DC AC 600 V and CAT II DC 1000 V AC 750V CE marked product 6000 count full scale 4000 count with display and bar graphs except for Hz Duty and Data hold and range hold functions Auto power save activated in about 16 min Capacitor...

Page 6: ...ted CAT II 1000 V DC 1000 V AC 750 V for meter 3 2 Multimeter Test leads Display Data hold button Select button Safety cover 6 15 A input terminal Test lead Continuity lamp Fix Range hold button Holster H 70 V Hz Duty Ω μA mA input terminal Stand Wall hanger Power switch and function switch COM input terminal 35 ...

Page 7: ...ing this button until AUTO on the display appears Data hold button When this button is pressed the data display at that time continues DH lights on the display When the measuring input changes the display will not change When this button is pressed again the hold status is canceled you can return to the measuring status DH on the display disappears Select button When this button is pressed the eac...

Page 8: ... recover from the auto power save mode where the display is off press one of the three switch buttons This function can be disabled by holding the SELECT button while turning the function switch to switch the power ON When this function is disabled the indicator on the display is extinguished As a small amount of the battery power drains even when the instrument is turned OFF by the auto power sav...

Page 9: ... 1 Start up Inspection 1 Never use meter if the meter or test leads are damaged or broken 2 Make sure that the test leads are not cut or otherwise damaged WARNING Does the buzzer beep Does the continuity check indicator light 38 ...

Page 10: ...y cause the display to fluctuate or show O L when the test leads are open Malfunction may occur if the voltage measurement of the horizontal oscillation output circuitry of a TV is attempted 5 2 DC voltage measurement DCV WARNING 1 Never apply a voltage signal exceeding the maximum rated input value 2 Do not turn the rotary switch to change the function during measurement 3 Always keep your finger...

Page 11: ...ary switch to change the function during measurement 3 Always keep your fingers behind the finger guards on the test lead when making a measurement Note With the AC 6 000 V range a few counts of numeric may remain when the input is 0 shorted As this instrument employs the mean value method for the AC detection measurements become erroneous when the input waveform is other than a sine wave the freq...

Page 12: ...not turn the rotary switch to change the function during measurement 3 Always keep your fingers behind the finger guards on the test lead when making a measurement Note The frequency measurement range is from 5 Hz to 99 99 kHz The input signal condition is Sine wave zero cross sin signal waveform from 5 to 100 Vrms If the measured frequency contains noise the measurement values may become unstable...

Page 13: ...he duty ratio measurement range is from 20 to 80 0 The input signal condition is Zero cross pulse signal of 5 Hz to 1 kHz 5 Vp p to 60 Vp p The zero cross pulse refers to a pulse waveform signal changing the polarity in order of potential potential potential This instrument cannot measure a signal composed of the potential alone such as the logic pulse or the potential alone If the measured freque...

Page 14: ... or current to the measurement terminals Note The open voltage across the measurement terminals is about 0 63 V If the measurement is affected by noise shield the measurement subject with the potential of COM If a test pin or the measurement subject is touched by a finger during measurement a measurement error will result due to the resistance of the human body Ranges 43 ...

Page 15: ...test 5 7 Diode test WARNING Never apply an external voltage or current to the measurement terminals Note The open voltage across the measurement terminals is about 2 7 V If the forward voltage of the diode is equal to or more than the open voltage O L is displayed even in the forward test 44 ...

Page 16: ...ontinuity check WARNING Never apply an external voltage or current to the measurement terminals Note The open voltage across the measurement terminals is about 0 63 V The continuity buzzer beeps and the continuity lamp lights when the resistance is between 10 and 60 Ω Buzzer beep 45 ...

Page 17: ...or it is not suitable for measuring an electrolytic capacitor with high leak current because of an increased error 3 The measurement time is extended in the measurement of a capacitor with large capacitance about 30 sec in a 4000 μF range Note The display may become unstable due to the flowing capacitance of ambient noise or the test leads To minimize the effects of the floating capacitance connec...

Page 18: ... Be sure to make a series connection via load please see to above drawing 3 Do not apply an input exceeding the maximum rated current to the input terminals 5 10 Current Measurement μA mA A 5 10 1 DC AC current DC AC µA DC AC mA Power Power Load Load WARNING Wrong connection Right connection CAUTION 600 0 μA 6000 μA 60 00 mA 600 0 mA DC AC μA DC AC mA 6000 μA 600 0 mA 47 ...

Page 19: ...hat of the mA range is about 0 5 Ω If the displayed value hardly changes when the input signal is applied or becomes much lower than expected the measurement terminals or function switch are set erroneously or the fuse φ6 3 x 32 mm size 0 4 A 1000 V may be blown Please check them The μA mA switching is performed with the rotary switch The DC AC switching is performed with the SELECT button 5 10 2 ...

Page 20: ...put signal is applied or becomes much lower than expected the measurement terminals or function switch are set erroneously or the fuse φ10 x 38 mm size 16 A 1000 V may be blown Please check them Continuous measurement is permissible for current below 6 A When measuring 6 A or higher current complete each measurement within 10 seconds and leave an interval of 5 minutes or more between measurements ...

Page 21: ... the measure ment terminal and the black plug to the COM terminal Set the function switch of this instrument CD732 to ACV Set the range hold button to the 6 V range Set the range setting knob of the current probe to the 30 A 300 A or 3000 A range Clamp the measurement target conductor with the current probe If the range of the current probe is 30 A read the displayed value by multiplying it by 10 ...

Page 22: ...t CD732 to DCV for DCA measurement or ACV for ACA measurement Set the range hold button to the DC 600 mV range for DCA measurement or the AC 6 V range for ACA measurement Set the range setting knob of the current probe to the 20 A or 200 A range In the case of DCA measurement turn the zero adjustment knob of the current probe so that this instrument CD732 displays 000 0 mV Open the iron core of th...

Page 23: ...ton to the DC 600 mV range Set the range setting knob of the current probe to the 30 A or 300 A range and turn the zero adjustment knob so that this instrument CD732 displays 000 0 mV Open the iron core of the current probe and clamp the measurement target conductor with it If the range of the current probe is 30 A read the displayed value by multiplying it by 0 1 If the range is 300 A multiply it...

Page 24: ...cathode ray tube voltage of high impedance circuitry such as a high focusing voltage 2 Measurement range DC 1000 V 3 Measurement procedure Connect the red plug of the HV probe to the measurement terminal and the black plug to the COM terminal Set the function switch to DCV and the range hold button to the DC 1000 V range Connect the black clip to the ground line of the measurement target and apply...

Page 25: ... have it repaired or replace it with a new one Make sure that the test leads are not cut referring to the section 6 2 Calibration The calibration and inspection may be conducted by the dealer For more information please contact the dealer 6 3 How to Replace Battery and Fuse 1 If the rear case is removed with input applied to the input terminals you may get electrical shock Before starting the work...

Page 26: ... rear case Insert brand new batteries by taking care not to mistake the and polarity Attach the rear case tighten the screw and set the stand and holster to their original positions How to replace the fuse Remove the holster from the main unit Open the stand on the rear of the main unit and remove the rear case retaining screw using a Phillips screwdriver Remove the rear case as if flapping it up ...

Page 27: ...ly 2 The panel and the case are not resistant to heat Do not place the instrument near heat generating devices such as a soldering iron 3 Do not store the instrument in a place where it may be subjected to vibration or from where it may fall 4 For storing the instrument avoid hot cold or humid places or places under direct sunlight or where condensation is anticipated CAUTION Store the instrument ...

Page 28: ...Hz to 500 Hz with sine wave AC Accuracy guaranteed range 5 Hz to 99 99 kHz 5 Vrms to 100 Vrms sine wave AC zero cross sin signal waveform No bar graph display Auto range only Accuracy guaranteed range 5 Hz to 1 kHz 5 Vp p to 60 Vp p rectangular wave AC zero cross pulse waveform No bar graph display Auto range only Open voltage Apporox DC 0 63 V No bar graph display Continuous measurement permissib...

Page 29: ... 0 7 mV Displayed value 100 0 mV 0 7 mV within the range of 99 3 to 100 7 mV CAUTION If there is presence of strong magnetic field generated by conductor fed large current motors or strong radio wave a measurement may not be accurate Specifications and external appearance of the product described above may be revised for modification without prior notice 58 ...

Page 30: ...mes sec Bar graph 30 times sec Accuracy assurance temperature humidity range 23 5 C 80 RH max No condensation Operating temperature humidity range 5 40 C 80 RH max No condensation Storage temperature humidity range 10 50 C 70 RH max No condensation Environmental condition Operating altitude 2000 m pollution degree Ⅱ Power supply R6 IEC dry battery 2 pieces Power consumption Approx 7 mW TPY at DCV ...

Page 31: ...a 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 fuses disposables batteries or any product or parts which have been subject to one of the following causes 1 A failure due to improper handling or use that deviates from the instruction manual 2 A failure due to ...

Page 32: ...period has expired In some cases repair and transportation cost may become higher than the price of the product Please contact Sanwa authorized agent service provider in advance The minimum retention period of service functional parts is 6 years after the discontinuation of manufacture This retention period is the repair warranty period Please note however if such functional parts become unavailab...

Page 33: ...MEMO 62 ...

Page 34: ...障 4 電池の消耗による不動作 5 お買上げ後の輸送移動落下などによる故障および損傷 6 本保証書は日本国内において有効です This warranty is valid only within Japan いさだく入記ごを容内理修日月年無償の認定は当社において行わせていただきます保証書ご氏名ご住所様 TEL 保証期間ご購入日年月より 3 年間型名製造No CD732 この製品は厳密なる品質管理を経てお届けするものです本保証書は所定項目をご記入の上保管していただきアフターサービスの際ご提出ください本保証書は再発行はいたしませんので大切に保管してください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 代 63 ...

Page 35: ......

Page 36: ...4 電波ビル郵便番号 101 0021 電話東京 03 3253 4871 代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 代 SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg 4 4 Sotokanda2 Chome Chiyoda Ku Tokyo Japan 01 1404 2040 2040 植物油インキを使用しています ...

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