EZ Digital DM-442B Operating Manual Download

Page: 59 / 67

Detailed Accuracy Specifications

$FFXUDF\ >RIUHDGLQJ@>QXPEHURIOHDVWVLJQLILFDQWGLJLWV@JXDU DQWHHIRU\HDU
2SHUDWLQJWHPSHUDWXUH

5HODWLYHKXPLGLW\ 5+

XQGHU

5(/PRGH

$URXQG*

$URXQG0

A. DC Voltage

Range

Resolution

Accuracy

Overload Protection

Input Impedance

Model DM-442B: OPERATING MANUAL

www.calcert.com

[email protected]

1.800.544.2843

Summary of Contents for DM-442B

Page 1: ...P N 110401102840 www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30...

Page 2: ...U 2Q DWWHU RQVLGHUDWLRQV XWRPDWLF 3RZHU 2II XWRPDWLF DFNOLJKW 2II RZ DWWHU QGLFDWLRQ 7KH 0HWHU 6WUXFWXUH 5RWDU 6ZLWFK XQFWLRQDO XWWRQV 7KH 0HWHU XQFWLRQV 9V LVSOD V 6HOHFWLQJ WKH 5DQJH 8QGHUVWDQGLQJ W...

Page 3: ...a P ORRS FXUUHQW DV UHDGRXW 4 Using Stores Recall and Send Features QWURGXFWLRQ 6WRULQJ DQG OHDULQJ 5HDGLQJV 5HFDOOLQJ 6WRUHG 5HDGLQJV 8VLQJ 6HQG 5 Changing the Default Setting QWURGXFWLRQ 6HOHFWLQJ...

Page 4: ...DWLRQV HQHUDO 6SHFLILFDWLRQV HDWXUH 6XPPDU DVLF 6SHFLILFDWLRQV HWDLOHG FFXUDF 6SHFLILFDWLRQV 9ROWDJH 9ROWDJH XUUHQW XUUHQW 5HVLVWDQFH RQWLQXLW 7HVW UHTXHQF XW FOH 7HPSHUDWXUH HJUHHV HOVLXV DKUHQKHLW a...

Page 5: ...FNLQJ QVSHFWLRQ QWHUQDWLRQDO OHFWULFDO 6 PEROV 5RWDU 6ZLWFK 6HOHFWLRQV XQFWLRQDO XWWRQV XQFWLRQV 9V LVSOD V LVSOD HDWXUHV 6HWXS 6HOHFWLRQV Model DM 442B OPERATING MANUAL www calcert com sales calcert...

Page 6: ...P XUUHQWV 0HDVXUHPHQW P XUUHQWV 0HDVXUHPHQW XUUHQWV 0HDVXUHPHQW XUUHQWV 0HDDVXUHPHQW 5HVLVWDQFH 0HDVXUHPHQW RQWLQXLW 7HVW LRGH 7HVW DSDFLWDQFH 0HDVXUHPHQW UHTXHQF XW FOH 0HDVXUHPHQW 7HPSHUDWXUH 0HDVX...

Page 7: ...UHG WR DV WKH 0HWHU LV D FRXQWV DQG GLJLWV ZLWK VWHDG RSHUDWLRQV IDVKLRQDEOH VWUXFWXUH DQG DXWR UDQJLQJ LQVWUXPHQW W QRW RQO FDQ PHDVXUH YROWDJH DQG FXUUHQW YROWDJH DQG FXUUHQW 5HVLVWDQFH DSDFLWDQFH 7...

Page 8: ...allation Guide Computer Interface Software 1 piece 6 pieces AC220V 50Hz Power Cable 1 piece Table 1 1 Unpacking Inspection 4 5 6 7 Test Clip USB interface cable RS232C interface cable Alligator Clip 1...

Page 9: ...WLRQ WKDW XVHU VKRXOG SD DWWHQWLRQ WR Rules For Safe Operation Warning To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the equipment under test adhe...

Page 10: ...r may deteriorate after dampened z z z z z z When using the test leads keep your fingers behind the finger guards Disconnect circuit power and discharge all high voltage capacitors before testing resi...

Page 11: ...ttery as it may leak when it has been using for some time replace the battery as soon as leaking appears A leaking battery will damage the Meter Under the influence of Radiated Radio Frequency Electro...

Page 12: ...FK DOO SUHYLRXVO DFWLYDWHG EXWWRQ IHDWXUHV DUH GLVFDUGHG 7KH DXWRPDWLF SRZHU RII LV SUHVHW WR PLQXWHV URP WKH 6HWXS PHQX VHH KDSWHU RX FRXOG VSHFLI D WLPH PLQXWHV PLQXWHV PLQXWHV RU 2 I RX VHW WR 2 WK...

Page 13: ...EDWWHU LFRQ LQ WKH PLGGOH OHIW DUHD RI Warning To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery icon appears The Meter...

Page 14: ...PDGH LQ 6HWXS KHQ RX WXUQ WKH URWDU VZLWFK IURP RQH IXQFWLRQ WR DQRWKHU D GLVSOD IRU WKH QHZ IXQFWLRQ DSSHDUV XWWRQ FKRLFHV PDGH LQ RQH IXQFWLRQ GR QRW FDUU RYHU LQWR DQRWKHU IXQFWLRQ 8VH WKH EOXH SEL...

Page 15: ...UHQW PHDVXUHPHQW RU FXUUHQW PHDVXUHPHQW P P RU FXUUHQW PHDVXUHPHQW Rotary Switch Function Blue SELECT Function 1RQH 1RQH z UHTXHQF PHDVXUHPHQWV z XW FOH PHDVXUHPHQW z LRGH WHVW z RQWLQXLW WHVW 1RQH DK...

Page 16: ...ODEHOHG LQ EOXH OHWWHUV 7 IHDWXUH 8QGHU EDWWHU RSHUDWHG VLWXDWLRQ WXUQ WKH GLVSOD EDFNOLJKW RQ 8QGHU RSHUDWHG VLWXDWLRQ WKH EDFNOLJKW LV DOZD V RQ FDQQRW WXUQ RII LW 872 DQG HQWHU 0 18 UDQJLQJ Q 0 18...

Page 17: ...V EXIT WR VWRS DQG UHWXUQ WR FXUUHQW PHDVXUHPHQW PRGH z Q 6HWXS HDFK SUHVV WR VHOHFW WKH GLJLW RX ZDQW WR HGLW z Q 5HFDOO SUHVV WR HQDEOH 6 1 IHDWXUH z Q 6WRUH SUHVV WR WRJJOH EHWZHHQ FOHDULQJ DOO WKH...

Page 18: ...H 3UHVV HOLD WR IUHH H WKH GLVSOD HG YDOXH 3UHVV EXIT WR UHOHDVH WKH GLVSOD Q 6HWXS HDFK SUHVV WR LQFUHPHQW DQ 2SWLRQ Q 5HFDOO HDFK SUHVV WR UHFDOO WKH QH W VWRUHG UHDGLQJ Q 6WRUH HDFK SUHVV WR LQFUHD...

Page 19: ...H 7KH WHVWHG YDOXH 7KH WHVWHG YDOXH 7KH WHVWHG P YDOXH Function Primary Display Lower Right Secondary Display Upper Right Secondary Display 1R GLVSOD 7KH WHVWHG IUHTXHQF YDOXH N a N 1R GLVSOD 1R GLVSO...

Page 20: ...D 7KH WHVWHG IUHTXHQF YDOXH N a N 7KH YDOXH RI WKH FRUUHVSRQGLQJ LQGH QXPEHU 7KH WRWDO QXPEHU RI VWRUHG YDOXH XOO UDQJH XOO UDQJH XOO UDQJH QGH QXPEHU LQFUHDVH RQH QGH QXPEHU QR aQR QGH QXPEHU QR aQR...

Page 21: ...LQSXW UDQJH SRVVLEOH HQVXULQJ WKDW WKH UHDGLQJ DSSHDUV ZLWK WKH KLJKHVW DYDLODEOH UHVROXWLRQ I 872 LV DOUHDG RQ SUHVV RANGE WR HQWHU 0 18 UDQJLQJ LQ WKH SUHVHQW UDQJH RX FDQ WKHQ VHOHFW WKH QH W PDQX...

Page 22: ...LV ORZ DUQLQJ 7R DYRLG IDOVH UHDGLQJV ZKLFK FRXOG OHDG WR SRVVLEOH HOHFWULF VKRFN RU SHUVRQDO LQMXU UHSODFH WKH EDWWHU DV VRRQ DV WKH EDWWHU LQGLFDWRU DSSHDUV 6HWXS IHDWXUH LV RQ RU 9 DQG IXQFWLRQV U...

Page 23: ...ROWV 7KH XQLW RI YROWDJH P9 0LOOLYROW RU YROWV PSHUHV DPSV 7KH XQLW RI FXUUHQW P 0LOOLDPS RU DPSHUHV 0LFURDPS RU DPSHUHV DUDG 7KH XQLW RI FDSDFLWDQFH Q 1DQRIDUDG RU IDUDGV 0LFURIDUDG RU IDUDGV P 0LOOL...

Page 24: ...WKH UDQJH ZLWK WKH EHVW UHVROXWLRQ DWD RXWSXW LV LQ SURJUHVV DFNOLJKW IHDWXUH LV RQ DWD KROG PRGH LV DFWLYH 3HDN KROG PRGH LV DFWLYH LRGH WHVW z UHTXHQF VLJQDO GXW F FOH z a P ORRS FXUUHQW DV UHDGLQJ...

Page 25: ...HVV MAX MIN WR HQWHU 0 0 1 PRGH 7KH VDPSOLQJ WLPH LV HYHU VHFRQGV 7KH PD LPXP UHDGLQJ DQG 0 DUH VKRZQ RQ WKH XSSHU ULJKW VHFRQGDU GLVSOD 7KH PLQLPXP UHDGLQJ DQG 0 1 DUH VKRZQ RQ WKH ORZHU ULJKW VHFRQG...

Page 26: ...tion KDSWHU H SODLQV KRZ WR PDNH PHDVXUHPHQWV 0RVW PHDVXUHPHQW IXQFWLRQV FDQ EH VHOHFWHG E XVLQJ WKH URWDU VZLWFK A Measuring DC Voltage Warning To avoid harms to you or damages to the Meter from elec...

Page 27: ...LQSXW WHUPLQDOV RI WKH 0HWHU KHQ PHDVXULQJ WKH 0HWHU DFWV DURXQG D 0 LQSXW LPSHGDQFH LQ SDUDOOHO ZLWK WKH FLUFXLW 7KLV ORDGLQJ HIIHFW FDQ FDXVH PHDVXUHPHQW HUURUV LQ KLJK LPSHGDQFH FLUFXLWV Q PRVW FDV...

Page 28: ...OHVV 6SHFLDO FDUH VKRXOG EH WDNHQ ZKHQ PHDVXULQJ KLJK YROWDJH KHQ YROWDJH PHDVXUHPHQW KDV EHHQ FRPSOHWHG GLVFRQQHFW WKH FRQQHFWLRQ EHWZHHQ WKH WHVWLQJ OHDGV DQG WKH FLUFXLW XQGHU WHVW DQG UHPRYH WHVWL...

Page 29: ...3UHVV WKH SELECT EXWWRQ F FOHV DPRQJ IUHTXHQF DQG GXW F FOH RQQHFW WKH WHVW OHDGV DFURVV ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH GLVSOD W GLVSOD V WKH 506 KHQ PHDVXULQJ 0LOOLYR...

Page 30: ...parallel with any circuit or component when the leads are plugged into the current terminals 7R PHDVXUH FXUUHQW VHW XS WKH 0HWHU DV LJXUH DQG SURFHHG DV IROORZV QVHUW WKH UHG WHVW OHDG LQWR WKH AmA W...

Page 31: ...ton WR VHOHFW PHDVXUHPHQW PRGH RQQHFW WKH WHVW OHDGV LQ VHULDO ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH GLVSOD W GLVSOD V WKH 7UXH 506 YDOXH KHQ D 9 IXQFWLRQ LV VHOHFWHG RX FDQ S...

Page 32: ...PLQDO 6HW WKH URWDU VZLWFK WR mA PHDVXUHPHQW LV GHIDXOW RU SUHVV SELECT button WR VHOHFW PHDVXUHPHQW PRGH RQQHFW WKH WHVW OHDGV LQ VHULDO ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH...

Page 33: ...tton WR VHOHFW PHDVXUHPHQW PRGH RQQHFW WKH WHVW OHDGV LQ VHULDO ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH GLVSOD W GLVSOD V WKH 7UXH 506 YDOXH KHQ D 9 IXQFWLRQ LV VHOHFWHG RX FDQ...

Page 34: ...PLQDO 6HW WKH URWDU VZLWFK WR A PHDVXUHPHQW LV GHIDXOW RU SUHVV SELECT button WR VHOHFW PHDVXUHPHQW PRGH RQQHFW WKH WHVW OHDGV LQ VHULDO ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH...

Page 35: ...UHG FXUUHQW LV EHWZHHQ FRQWLQXRXV PHDVXUHPHQW VHFRQGV DQG LQWHUYDO PRUH WKDQ PLQXWHV KHQ FXUUHQW PHDVXUHPHQW KDV EHHQ FRPSOHWHG GLVFRQQHFW WKH FRQQHFWLRQ EHWZHHQ WKH WHVWLQJ OHDGV DQG WKH FLUFXLW XQGH...

Page 36: ...nce 7R PHDVXUH UHVLVWDQFH VHW XS WKH 0HWHU DV VKRZQ LQ LJXUH DQG IROORZ WKH IROORZLQJ SURFHGXUH QVHUW WKH UHG WHVW OHDG LQWR WKH WHUPLQDO DQG WKH EODFN WHVW OHDG LQWR WKH COM WHUPLQDO 6HW WKH URWDU VZ...

Page 37: ...EOH 7KH GLVSOD V OL LQGLFDWLQJ RSHQ FLUFXLW RU WKH WHVWHG UHVLVWRU YDOXH LV KLJKHU WKDQ WKH PD LPXP UDQJH RI WKH 0HWHU KHQ WHVWLQJ WKH UHVLVWDQFH VLJQDO IURP WKH FDOLEUDWRU LW LV QHFHVVDU WR SUHVV DQG...

Page 38: ...URWDU VZLWFK WR SUHVV SELECT EXWWRQ WR VHOHFW PHDVXUHPHQW PRGH DQG FRQQHW WKH WHVW OHDGV DFURVV ZLWK WKH REMHFW EHLQJ WHVWHG 7KH EHHSHU FRPHV RQ FRQWLQXRXVO IRU RSHQ FRQGLWLRQV WKDW LV WHVW UHVLVWDQFH...

Page 39: ...WHVW VHQGV D FXUUHQW WKURXJK WKH VHPLFRQGXWRU MXQFWLRQ WKHQ PHDVXUH WKH YROWDJH GURS DFURVV WKH MXQFWLRQ JRRG VLOLFRQ MXQFWLRQ GURSV EHWZHHQ 9 DQG 9 7R WHVW WKH GLRGH RXW RI D FLUFXLW VHW XS WKH 0HWHU...

Page 40: ...LQJ RQ WKH UHVLVWDQFH RI RWKHU SDWKZD V EHWZHHQ WKH SUREH WLSV RQQHFW WKH WHVW OHDGV WR WKH SURSHU WHUPLQDOV DV VDLG DERYH WR DYRLG HUURU GLVSOD 7KH ZLOO GLVSOD OL LQGLFDWLQJ HLWKHU RSHQ FLUFXLW RU ZU...

Page 41: ...capacitance QVHUW WKH UHG WHVW OHDG LQWR WKH WHUPLQDO DQG WKH EODFN WHVW OHDG LQWR WKH COM WHUPLQDO 6HW WKH URWDU VZLWFK WR PHDVXUHPHQW PRGH WKH 0HWHU PD GLVSOD D IL HG UHDGLQJ ZKLFK LV D LQWHUQDO GLV...

Page 42: ...z 7KH GLVSOD V OL LQGLFDWLQJ WKH WHVWHG FDSDFLWRU LV VKRUWHG RU LW H FHHGV WKH PD LPXP UDQJH DSDFLWRUV ODUJHU WKDQ WDNH ORQJHU WLPH 7KH DQDORJXH EDU JUDSK VKRZV WKH WLPH OHIW EHIRUH ILQLVKLQJ WKH PHDV...

Page 43: ...RQJ IUHTXHQF DQG GXW F FOH RQQHFW WKH WHVW OHDGV DFURVV ZLWK WKH REMHFW EHLQJ PHDVXUHG 7KH PHDVXUHG YDOXH VKRZV RQ WKH SULPDU GLVSOD Note z z 7KH UHTXLUHPHQW RI QSXW DPSOLWXGH D LV DV IROORZV KHQ a 0...

Page 44: ...UHH XQLW RX FDQ FKDQJH XQLWV E SUHVV WKH SELECT EXWWRQ RQFH RX KDYH VHOHFWHG WKH WHPSHUDWXUH IXQFWLRQ Note z z z 3ODFH WKH 0HWHU LQ DQ HQYLURQPHQW RI R a R RWKHUZLVH IDOVH UHDGLQJ PD EH REWDLQHG HVSHF...

Page 45: ...the Meter and the tested object are connected to the to be tested return circuit turn the return circuit power off W VKRZV WKH P PHDVXUHG YDOXH RU RXWSXW OHYHO LQ LQ D P VFDOH 7R XVH a P RRS IHDWXUH F...

Page 46: ...KHQ PHDVXUHPHQW KDV EHHQ FRPSOHWHG GLVFRQQHFW WKH FRQQHFWLRQ EHWZHHQ WKH WHVWLQJ OHDGV DQG WKH FLUFXLW XQGHU WHVW DQG UHPRYH WKH WHVW OHDGV DZD IURP WKH LQSXW WHUPLQDOV KHQ WKH UHDGLQJV REWDLQHG LV z...

Page 47: ...VVLQJ RU z z z z z z 3UHVV STORE WKH WKLUG WLPH 67O5 DQG 1R DSSHDUV 7KH XSSHU ULJKW VHFRQGDU GLVSOD VKRZV WKH LQGH QXPEHU LQFUHDVH RQH 7KH ORZHU ULJKW VHFRQGDU GLVSOD VKRZV WKH YDOXH RI WKH FRUUHVSRQG...

Page 48: ...J WLPH DQG DOVR WKH GDWD YDOXH IWHU WKH GDWD WUDQVIHUULQJ LV FRPSOHWHG WKH 6 1 IHDWXUH ZLOO EH GLVDEOHG DXWRPDWLFDOO 3UHVV RU EXWWRQ WR YLHZ DGGLWLRQDO VWRUHG UHDGLQJ 3UHVV DQG KROG RU WR DFFHVV TXLFN...

Page 49: ...WXUQ WKH 0HWHU RQ DQG SUHVV WKH SETUP EXWWRQ W LV UHFRPPHQGHG WR FKDQJH WKH GHIDXOW VHWWLQJ RQO ZKHQ WKH 0HWHU LV DW 9 PHDVXUHPHQW PRGH Q WKH 6HWXS PRGH HDFK SUHVV RI SETUP EXWWRQ VWHSV WR WKH QH W 6...

Page 50: ...RII LQ VHFRQGV DFNOLJKW WXUQ RII LQ VHFRQGV LVDEOH EDFNOLJKW IHDWXUH W FDQ RQO DSSO WR 9 DQG IXQFWLRQV Selection Option Factory Default Description 0D 3UHVV WR VHOHFW 2 3UHVV WR VHOHFW WKH GLJLW RX ZD...

Page 51: ...UH RXU FKRLFH DQG H LW VHWXS E SUHVs EXIT DGYDQFH WR WKH QH W 2SWLRQ E SUHVs 7R H LW WKH 6HWXS PRGH ZLWKRXW VDYLQJ WKH SUHVHQW 2SWLRQ SUHVV Setup Model DM 442B OPERATING MANUAL www calcert com sales c...

Page 52: ...ULRGLFDOO ZLSH WKH FDVH ZLWK D GDPS FORWK DQG PLOG GHWHUJHQW R QRW XVH DEUDVLYHV RU VROYHQWV 7R FOHDQ WKH WHUPLQDOV ZLWK FRWWRQ EDU ZLWK GHWHUJHQW DV GLUW RU PRLVWXUH LQ WKH WHUPLQDOV FDQ DI IHFW UHDG...

Page 53: ...DFNHW 8VH WKH FRLQ WR RSHQ WKH FRPSDUWPHQW DW WKH FDVH WRS WKHQ UHPRYH WKH XVH DQG E JHQWO SU LQJ RQH HQG ORRVH WKHQ WDNH RXW IURP LWV EUDFNHW QVWDOO 21 UHSODFHPHQW IXVHV ZLWK WKH LGHQWLFDO W SH DQG V...

Page 54: ...ery as soon as the battery indicator appears when the Meter is under battery operated siutation ROORZ LJXUH DQG SURFHHG DV IROORZV WR UHSODFH WKH EDWWHU z z z z 6ZLWFK RII WKH 0HWHU GLVFRQQHFW WKH SRZ...

Page 55: ...LQDO XVHG 3URWHFWLRQ IRU SRZHU VRFNHW 5HIHU WR GLIIHUHQW UDQJH LQSXW SURWHFWLRQ YROWDJH 7 9 7 9 RYHUYROWDJH DQG GRXEOH LQVXODWLRQ VWDQGDUG 9 IDVW W SH IXVH PP 9 IDVW W SH IXVH PP 9 IDVW W SH IXVH Pm C...

Page 56: ...VHFRQG R a R R a R R a R R a R R a R EHORZ R a R 7KLV 0HWHU FDQ EH XVHG LQ LQGRRU DQG DOWLWXGH QRW PRUH WKDQ 0 DWWHU 7 SH SFV 9 EDWWHU 5 9 a 9 z Q D UDGLR ILHOG RI 9 P EHORZ 2YHUDOO FFXUDF 6SHFLILHG F...

Page 57: ...U FRXQWV DU UDSK VHJPHQWV XSGDWHV WLPHV VHFRQG ULJKW EDFNOLJKW IRU FOHDU UHDGLQJV LQ SRRUO OLJKWHG DUHDV 7KH 0HWHU DXWRPDWLFDOO VHOHFWV EHVW UDQJH KRLFHV IRU RQO RU UHDGLQJV ROGV UHDGLQJV RQ GLVSOD HH...

Page 58: ...WR 9 N EDQGZLGWK 9ROWDJH 9ROWDJH WR a IRU VHFRQGV LQWHUYDO PLQXWHV WR a IRU VHFRQGV LQWHUYDO PLQXWHV WR 0 WR P a 0 R a R R a R 8S WR UHDGLQJV PD EH VDYHG E WKH XVHU LQ D PHPRU 7KHVH UHDGLQJV PD EH YL...

Page 59: ...XDUDQWHH IRU HDU 2SHUDWLQJ WHPSHUDWXUH R a R 5HODWLYH KXPLGLW 5 P9 9 9 9 9 P9 9 9 9 9 XQGHU 5 PRGH 9 URXQG URXQG 0 A DC Voltage Range Resolution Accuracy Overload Protection Input Impedance Model DM 4...

Page 60: ...a N 1RW 6SHFLILHG 9 9 9 9 B AC Voltage AC DC measurement is available Range Resolution Bandwidth Accuracy Remarks z QSXW PSHGDQFH SSUR 0 z 2YHUORDG 3URWHFWLRQ 9 z LVSOD Model DM 442B OPERATING MANUAL...

Page 61: ...UPV DUH YDOLG IURP RI UDQJH WR RI UDQJH E FUHVW IDFWRU FDQ EH XS WR H FHSW 9 ZKHUH LW LV F UHVLGXDO UHDGLQJ RI GLJLWV ZLWK WHVW OHDGV VKRUWHG ZLOO QRW DIIHFW VWDWHG DFFXUDF G 7KH DFFXUDF JXDUDQWHH UDQ...

Page 62: ...HH UDQJH H KHQ PDNLQJ PHDVXUPHQW WKH DFFXUD QHHG WR DGG GLJLWV RI UHDGLQJ EDVHG RQ WKH DERYH WDEOH z At 10A range D KHQ WKH PHDVXUHG FXUUHQW LV FRQWLQXRXV PHDVXUHPHQW LV DOORZHG E KHQ WKH PHDVXUHG FXU...

Page 63: ...QG ZKHQ WKH WHVW UHVLVWDQFH LV z 7KH EHHSHU FRPHV RQ FRQWLQXRXVO IRU RSHQ FRQGLWLRQV WKDW LV WHVW UHVLVWDQFH LV E Resistance Range Resolution Overload Protection Accuracy Range Resolution Overload Pro...

Page 64: ...2SHQ FLUFXLW YROWDJH DSSUR LPDWH 9 z JRRG VLOLFRQ MXQFWLRQ GURSV EHWZHHQ 9 DQG 9 G Diode Test Range Resolution Overload Protection Accuracy Range Resolution Overload Protection H Capacitance Model DM...

Page 65: ...z QSXW DPSOLWXGH D DV IROORZV HOHFWULF OHYHO LV HUR KHQ a 0 P9 D 9UPV KHQ 0 1RW VSHFLILHG Range Resolution Overload Protection Accuracy I Frequency Model DM 442B OPERATING MANUAL www calcert com sale...

Page 66: ...V HUR KHQ a 0 P9 D 9UPV KHQ 0 1RW VSHFLILHG 9 J Duty Cycle Range Resolution Overload Protection Accuracy R a R R a R R a R 9 R K Temperature 1 1 Degrees Celsius Range Resolution Overload Protection Ac...

Page 67: ...WDFW WHPSHUDWXUH SUREH a P 9 IDVW W SH IXVH PP Remarks KHQ WKH UHDGLQJV REWDLQHG LV z P WKH SULPDU GLVSOD VKRZV 2 z P WKH SULPDU GLVSOD VKRZV P WKH SULPDU GLVSOD VKRZV z P WKH SULPDU GLVSOD VKRZV END...

Search results

Summary of Contents for DM-442B

Reviews:

Related manuals for DM-442B

Brands by name

Popular brands

EZ Digital DM-442B, Operating Manual

Search results

Summary of Contents for DM-442B

Reviews:

Related manuals for DM-442B

Brands by name

Popular brands