EZ Digital DM-442B Operating Manual Download

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Model DM-442B: OPERATING MANUAL

www.calcert.com

[email protected]

1.800.544.2843

Summary of Contents for DM-442B

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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