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Sanwa DCM2000DR, Instruction Manual

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DCM2000DR

DIGITAL CLAMP METER

INSTRUCTION MANUAL

Summary of Contents for DCM2000DR

Page 1: ...DCM2000DR DIGITAL CLAMP METER INSTRUCTION MANUAL ...

Page 2: ...10 EF Electric Field sensing button 0010 4 11 Muting the buzzer 010 4 12 AC Detection Method 010 4 13 Crest Factor 010 5 MEASURING PROCEDURE 5 1 Start up Inspection 011 5 2 VUP MPX JNQFEBODF WPMUBHF SFTJTUBODF EFUFDUJOH NFBTVSFNFOU VUP ût 7 011 5 3 7 7BSJBCMF SFRVFODZ SJWF WPMUBHF NFBTVSFNFOU 014 5 4 WPMUBHF NFBTVSFNFOU 7 015 5 5 WPMUBHF WPMUBHF WPMUBHF NFBTVSFNFOU 7 7 7 016 5 6 Current A measurem...

Page 3: ...his manual and attached to the product are as follows Very important instructions for safe use t 5IF XBSOJOH NFTTBHFT BSF JOUFOEFE UP QSFWFOU BDDJEFOUT to operating personnel such as burn and electric shock t 5IF DBVUJPO NFTTBHFT BSF JOUFOEFE UP QSFWFOU JODPSSFDU handling which may damage the product Refer to Instruction Manual before use High voltage hazard Double or reinforced insulation Direct ...

Page 4: ... the clamp sensor 08 Do not switch the function in the middle of measurement 0 FGPSF QFSGPSNJOH NFBTVSFNFOU NBLF TVSF UIBU UIF GVODUJPO and range are properly set 10 Never use the meter when it is wet or with wet hands FWFS BUUFNQU SFQBJS PS NPEJGJDBUJPO FYDFQU GPS CBUUFSZ replacement 12 Perform start up inspection and inspect the meter at least once a year 13 This meter is for indoor use only 14 ...

Page 5: ... 3 1 3 Overload Protection Functions Input terminals Max rated input Max overload protection input MBDL Red 7 7 7PMUBHF JOQVU inhibited 7 Clamp sensor section DC AC 2000 A DC AC 2000 A ...

Page 6: ...QMBZ t VUP QPXFS 0 BO CF EJTBCMFE t POWFOJFOU GBDJMJUJFT JODMVEJOH CBDLMJHIU 30 SFMBUJWF WBMVF EJTQMBZ BUB PME BOE 1FBL PME t PX JOQVU JNQFEBODF WPMUBHF NFBTVSFNFOU DBQBCMF PG attenuating the effects of ghost voltages t 7 7BSJBCMF SFRVFODZ SJWF GSFRVFODZ NFBTVSFNFOU t MFDUSJD JFME TFOTJOH Measurement Category Overvoltage Category Measurement Category II CAT II JOF PO UIF QSJNBSZ TJEF PG FRVJQNFOU ...

Page 7: ...ovable test pin covers are mounted 7 ʣ V When the removable test pin covers are not mounted 7 9 Location of non contact EF antenna Barrier Trigger Power function switch Function button See Chapter 4 Input terminal for functions other than DCA ACA Input terminal for functions other than DCA ACA COM Current measurement center position polarity indicator Clamping current sensor CT Display ...

Page 8: ...e Frequency display Main value display Units Auto range 7 Low battery indication Peak measurement mode Circuit continuity check Diode Low input impedance Data Hold Direct Current Alternate Current Polarity FSP SFMBUJWF WBMVF ...

Page 9: ... display from 8888 to 0000 A small current is flowing even when the display is turned off by Auto QPXFS TBWF GUFS NFBTVSFNFOU CF TVSF UP TFU UIF QPXFS GVODUJPO switch to OFF 4 3 Low battery indication When the built in batteries have been discharged and the voltage has ESPQQFE UP CFMPX BCPVU 7 i mark appears in the display 8IFO UIJT NBSL GMJDLFST PS MJHIUT SFQMBDF CPUI UXP CBUUFSJFT XJUI OFX ones ...

Page 10: ...TTFE lights and the value displayed at that moment is held The display will not vary even when the measurement input varies Pressing the button again extinguishes and the Hold mode is canceled The Hold mode is also canceled when the function switch position is changed or a button operation other than the backlight on operation is performed 4 9 Peak Hold HOLD button When the button is held depresse...

Page 11: ...played Auto range and Auto power save are disabled automatically in the Peak Hold mode The button is also disabled in this mode The Peak Hold mode is canceled when the function switch is switched or the or button is pressed Examples of Peak Hold measurement The peak value of the negative current is not held DC current peak AC current peak DC AC current peak Measurement impossible Measurement impos...

Page 12: ...med at the same time as disabling of the Auto power save mode 4 12 AC Detection Method 5IJT NFUFS FNQMPZT UIF SPPU NFBO TRVBSF WBMVF NFUIPE BOE JOEJDBUFT UIF NBHOJUVEF PG BT UIF TBNF BNPVOU PG XPSL BT 3PPU NFBO TRVBSF WBMVFT PG TJOVTPJEBM XBWFT BOE TVDI OPO TJOVTPJEBM XBWFT BT TRVBSF XBWFT BOE DIPQQJOH XBWFT DBO CF NFBTVSFE CZ UIF USVF 3 4 3PPU FBO 4RVBSF DJSDVJU The input signal measurement value...

Page 13: ...maximum rated value of each function VSJOH NFBTVSFNFOU EP OPU DIBOHF UIF GVODUJPO TXJUDI VSJOH NFBTVSFNFOU EP OPU UPVDI UIF UFTU QJO TJEF PG UIF CBSSJFS of the test probe or the part past the barrier of the clamp sensor 8IFO NFBTVSFNFOU JT GJOJTIFE SFNPWF UIF DMBNQ TFOTPS 5 and test lead from the object measured and return the function switch to the position 5 Use test leads matching the measureme...

Page 14: ...UIF shows Identification conditions t 8IFO UIF JOQVU WPMUBHF JT IJHIFS UIBO 7 UIJT GVODUJPO automatically identifies whether the input type is AC voltage 7 PS WPMUBHF 7 BOE EJTQMBZT JU 8IFO 7 BOE 7 BSF TVQFSJNQPTFE UIF WBMVF PG UIF signal with the higher crest value is displayed t When there is no input voltage and the resistance is below 10 û UIJT GVODUJPO EJTQMBZT UIF SFTJTUBODF WBMVF 5IF CV FS ...

Page 15: ... the instrument is put to the manual range mode extinguished The range can be switched by pressing the button again Holding the button depressed for more than 1 sec lights BOE UIF JOTUSVNFOU FOUFST UIF BVUP SBOHF NPEF CVU UIF GVODUJPO is still fixed t Auto identification is disabled in the manual range and fixed GVODUJPO NPEF PUF UIBU XIFO UIF JOTUSVNFOU JT TFU UP UIF SFTJTUBODF GVODUJPO BOE NBOVB...

Page 16: ... display A different input sensitivity can also be selected manually by pressing the button If the Hz WBMVF CFDPNFT VOTUBCMF TFMFDU B IJHIFS WPMUBHF SBOHF UP BWPJE UIF FGGFDUT PG FMFDUSJDBM OPJTF G UIF WBMVF JT OVMM select a lower voltage range 5IF BVUP SBOHF TXJUDIJOH JT GPS UIF 7 SBOHFT 5IF SBOHF TXJUDIJOH PG UIF 7 SBOHFT JT NBOVBM 5 3 VFD Variable Frequency Drive AC voltage measurement 5IJT GVO...

Page 17: ...TFOTJUJWJUZ JT EFUFSNJOFE CZ UIF SBOHF being used for display A different input sensitivity can also be selected manually by pressing the button If the Hz WBMVF CFDPNFT VOTUBCMF TFMFDU B IJHIFS WPMUBHF SBOHF UP BWPJE UIF FGGFDUT PG FMFDUSJDBM OPJTF G UIF WBMVF JT OVMM select a lower voltage range 5 4 AC voltage measurement ACV ...

Page 18: ...7 7 7 Hz 10 0 1999 Hz 199 9 1999 Hz 5IF GSFRVFODZ JT OPU EJTQMBZFE XIFO 7 JT NPSF UIBO PG 7 Use the test leads for measurement Each press of the button switches the function in TFRVFODF PG 7 7 7 7 5 5 DC voltage DC voltage AC voltage measurement DCV DCV ACV ...

Page 19: ...VMUJQMF conductors or parallel cords are clamped 3 Correct measurement may be impossible if the clamp sensor is not closed completely 4 Malfunction may occur if the instrument is used in a strong electromagnetic field 5 When the 0 adjustment is performed by pressing the CVUUPO EVSJOH UIF DVSSFOU GVODUJPO NFBTVSFNFOU UIF displayed value may vary by a few counts due to the reason EFTDSJCFE BCPWF CVU...

Page 20: ...er taking certain time because of the RMS SFTQPOTF CVU UIFSF XJMM OPU CF QSPCMFN JO UIF NFBTVSFNFOU value even if the measurement is started before the display returns to 0 5 6 2 DC current measurement DCA Function Input Ranges DCA 0 0 2000 A 200 0 2000 A Press the button so that lights 8BJU VOUJM UIF EJTQMBZ TUBCJMJ FT UIFO QSFTT UIF button to perform the 0 adjustment lights on the LCD display 0Q...

Page 21: ...Q TFOTPS QPTJUJPO UIF XJSF UP CF NFBTVSFE BOE close the clamp sensor completely Read the displayed value 5 7 Resistance measurement circuit continuity check Function Input Ranges 0 0 Ω 40 00 MΩ 600 0 6 000 k 60 00 k 600 0 k 6 000 M 40 00 MΩ 0 0 600 0 Ω 600 0 Ω 5IF PQFO WPMUBHF CFUXFFO UIF JOQVU UFSNJOBMT JT BCPVU 7 Use the test leads for measurement Each press of the button switches the function i...

Page 22: ...e function in TFRVFODF PG Never apply an external voltage to the measurement terminals WARNING 1 Discharge the measured capacitor before measurement 2 Since this instrument measures the capacitance by applying DVSSFOU UP UIF NFBTVSFE DBQBDJUPS JU JT OPU TVJUBCMF GPS NFBTVSJOH a capacitor with high leak current such as an electrolytic capacitor CAUTION Non defective cases PSXBSE WPMUBHF ESPQ displa...

Page 23: ... UIF measurement terminal in contact This method is capable of more accurate sensing by identifying the non grounded and grounded TJEFT FUD 5IF EJTQMBZ TIPXT i i BOE UIF CV FS CFFQT XJUI UIF OPO HSPVOEFE PU TJEF XIJMF UIF EJTQMBZ SFNBJOT i w BOE UIF CV FS does not beep with the grounded side E F that should be displayed with the grounded site may become XIFO UIF XJSJOH JT MPOH FUD FGPSF TFOTJOH DI...

Page 24: ...wing instructions are very important for safety Read this manual thoroughly to ensure correct maintenance 2 Calibrate and inspect the meter at least once a year to ensure safety and maintain its accuracy WARNING 1 The panel and case are not resistant to volatile solvent and must not be cleaned with thinner or alcohol 2 The panel and case are not resistant to heat Do not place the meter near heat g...

Page 25: ...USJD TIPDL EP OPU SFNPWF UIF CBUUFSZ IPMEFS cover with an input being applied to the measuring terminals or clamp sensor or during measurement 2 Make sure that the power function switch is set to OFF before proceeding to the battery replacement WARNING 6TJOH B TDSFXESJWFS loosen the two screws retaining the battery holder cover Remove the floated battery holder cover Replace both of the two batter...

Page 26: ... A failure due to improper handling or use that deviates from the instruction manual GBJMVSF EVF UP JOBEFRVBUF SFQBJS PS NPEJGJDBUJPO CZ QFPQMF PUIFS than Sanwa service personnel GBJMVSF EVF UP DBVTFT OPU BUUSJCVUBCMF UP UIJT QSPEVDU TVDI BT GJSF flood and other natural disaster 4 Non operation due to a discharged battery GBJMVSF PS EBNBHF EVF UP USBOTQPSUBUJPO SFMPDBUJPO PS ESPQQJOH after the pur...

Page 27: ... asking for servicing t 5IF NJOJNVN SFUFOUJPO QFSJPE PG UIF TFSWJDJOH performance parts of this instrument is six 6 years after UIF EJTDPOUJOVBUJPO PG QSPEVDUJPO 5IJT QFSJPE JT FRVBM UP UIF TFSWJDJOH BWBJMBCMF QFSJPE PXFWFS UIF SFUFOUJPO period of a part may be reduced if it becomes unavailable due to discontinuation of production of the QBSU NBOVGBDUVSFS FUD 4 Precautions when sending the product...

Page 28: ...on degree II Operating temperature humidity ranges Temperature 5 to 40 C Humidity is as follows without condensation UP BY 3 UP JOFBSMZ EFDSFBTFT GSPN 3 UP 3 Storage temperature humidity ranges 5FNQFSBUVSF UP P NPSF UIBO 3 without condensation 5FNQFSBUVSF UP P NPSF UIBO 3 without condensation Remove the internal batteries when the instrument is not to be used for long time Temperature coefficient ...

Page 29: ...O 3 XJUIPVU DPOEFOTBUJPO rdg Reading dgt Lowest digit FDBVTF PG UIF 3 4 SFTQPOTF UIF BDDVSBDZ HVBSBOUFFE SBOHF BOE crest factor CF are as follows 3BOHF UP PG NFBTVSJOH SBOHF CF Full scale CF 1 4 Half scale CD 2 8 DCV DC voltage Ranges Accuracy 7 SEH EHU Note The input impedance is about 10 MΩ at 50 pF AUTO Ω V DCV DC voltage Ranges Accuracy 7 SEH EHU Note 7 UISFTIPME JT 7 PS NPSF PS 7 PS MFTT The ...

Page 30: ...û 7 Lû 7 Lû ACV AC voltage Low pass filter is applied Ranges SFRVFODZ Accuracy 7 10 20 Hz SEH EHU 20 200 Hz SEH EHU 200 400 Hz SEH EHU PUF 5IF GJMUFS DIBSBDUFSJTUJD JT L BU BCPVU E t 5IF BDDVSBDZ EFDSFBTFT MJOFBSMZ GSPN EHU UP EHU DCA DC current Ranges Accuracy 200 0 A SEH EHU 2000 A 0 500 A SEH EHU 2000 A 501 2000 A SEH EHU Note Accuracy after the zero point is set by pressing the button ACA AC c...

Page 31: ...Hz SEH EHU 7 7 7 7 7 7 7 7 10 0 400 Hz 7 7 7 7 7 7 10 0 200 Hz 200 0 A 10 A 20 0 400 Hz 2000 A 100 A Note The input sensitivity is specified as the RMS value of the sine wave The sensitivity of EFDSFBTFT MJOFBSMZ GSPN BU UP BU of the full scale 5IF GSFRVFODZ JT EJTQMBZFE XIFO UIF DPNQPOFOU JT MFTT UIBO PG SNT O UIF 7 SBOHF UIF GSFRVFODZ JT EJTQMBZFE XIFO UIF DPNQPOFOU JT MFTT UIBO 7 Ω Ω Resistance...

Page 32: ...6 mA EF Electric Field sensing WPMUBHF PS FMFDUSJD GJFME PG BCPVU 7 PS NPSF JT EFUFDUFE The bar graph and intermittent buzzer beeps change in three steps according to the field intensity 4FOTJOH GSFRVFODZ Sensing antenna Area around the marking on the clamp sensor Contact type EF sensing terminal test lead Accuracy calculation method YBNQMF 7 WPMUBHF NFBTVSFNFOU JTQMBZFE WBMVF 7 3BOHF BOE BDDVSBDZ...

Page 33: ...MEMO ...

Page 34: ... 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 1310 2040 6010 大豆インキを使用しています This manual emplys soy ink ...

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