PDi DM68 Скачать руководство пользователя страница 14 | Manualshive

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Содержание DM68

Страница 1: ...HANDHELD DIGITALMULTMETER OPERATOR S INSTRUCTION MANUAL...

Страница 2: ...als 2 6Accessories 11 3 FUNCTIONDESCRIPTION 12 3 1 General Functions 12 3 1 IDATA HOLD mode 12 3 1 2Manual ranging andAutorange mode 12 3 1 3 Battery saver 13 3 2Measurement Functions 3 2 1AC and DC V...

Страница 3: ...Precautions safety measures 1 1 1 Preliminary Measurementcategory Ill is for measurements performed in the buildinginstallation NOTE Examplesare measurementson distribution boards circuit breakers wir...

Страница 4: ...o measurement circuits do not touch unused terminals 2 Cautionwhen working with voltages above 6OVdc or 3OVac rms Suchvoltages pose a shock hazard When using the probes keep your fingers behindthe fin...

Страница 5: ...e opening up the instrument always disconnect from 5 all sources of electric current and make sure you are not charged with static electricity which may destroy internal components Any adjustment main...

Страница 6: ...r current AC voltage and current are displayed as the average of the absolute value of the input calibratedto indicatethe equivalentrmsvalue of a sine wave Indicatorfor dc voltage or current Table 1 D...

Страница 7: ...cond KHz Kilohertz lxlo3or 1000 hertz MHz Megahertz 1x10 or 1 000 000 hertz F Farad The unit of capacitance vF icrofarad 1 10 6or 0 000001 farads t nF Nanofarad 1x10 or 0 000000001 farads The input is...

Страница 8: ...current measurements from 0 01mA to 400mA 2 6 Accessories Deliveredwith the multimeter User s manual Test leads Holster 2 5 Terminals SeeTable 4 indicatedfor informationabout the terminals Table 4 Ter...

Страница 9: ...manual rangingmode AUTO turns off Eachpresses of RANGE key increments the range When the highest range is reached the Meter wraps to the lowest range 12 NOTE If you manually change the measurement ra...

Страница 10: ...h the circuit Because this current flows through all possible paths between the probes an in circuit resistance reading represents the total resistance of all paths between the The Meter s resistance...

Страница 11: ...n vary depending on the resistance of other pathways between the probetips 3 2 4 Continuity Check A To avoid electrical shock andor damage to the instrument disconnect circuit power and discharge all...

Страница 12: ...black and red test leads to the COM and Hz terminals respectively 3 Connect the test leads across the source or load under measurement and readthe displayedvalue Note 3 2 7Transistor measurement inst...

Страница 13: ...ive a negative reading but will not damage the Meter 6 Turn on power to the circuit then read the display Be sure to note the measurement units at the right side of the display FA mA or A When only th...

Страница 14: ...r 750V ac rms Frequency Range 40Hz 200Hz for 4V range 40Hz 1kHz for other ranges Response Average calibrated in rms of sine wave 22 4 2 3 Resistance 4 2 4 Diode I Range I Resolution I Function I Range...

Страница 15: ...1mA 4 2 10 DC CURRENT 10A IOmA 1 42 0 of rdg 5 digits I lnput impedance 1MR Max input voltage 250Vdc or 250Vac rms 24 0 1PJlmV O 1Nl mV O 1AflmV Overload protection F 10PJ250V fuse for A range F 500mA...

Страница 16: ...open the case Replace the exhausted batterywith a new one Fuse rarely need replacement and blow almost always as a result of the operator s error Open the case as mentioned above and then take the PC...

Страница 17: ......

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