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(Then, "

" and "Ω" symbols are indicated on the display.)

Make sure that the "OL." symbol is indicated on the display at this bout, then short the test lead tips and check "0" is indicated on the display and check if

the buzzer beeps.

(4) Connect the test leads to both ends of the resistance under test.

Measured value is indicated on the display. The buzzer beeps below about 100Ω.

Note)  Even if short the test lead tips, indicated value may not be "0". But this is because of the resistance of test leads and not a failure.  In that case, by pressing

"REL" key, "0" will be indicated.

6-4  Capacitance Measurement

DANGER

● To avoid the danger of getting electrical shock, never make measurement of the circuit in which electric potential exists.

● Do not make measurement when opening the battery cover and the instrument case.

● Make sure to discharge the capacitor before making measurement.

(1) Insert the black test lead plug into the COM terminal and the red test lead plug into the VΩHz terminal.

(2) Set the Function Selector Switch to "

" position.(Then, "Auto" and "nF" symbols are indicated on the display.)

(3) Press the "REL" key and "0" shall be indicated.(Then, "△" symbol is indicated on the display.)

(4) Connect the test leads to both ends of the Capacitance under test.

Measured value is indicated on the display.

Measuring unit "nF" / "uF" is automatically chosen and indicated due to the measured value.

Note)  It may take some time according to the measuring capacitance.

Measuring capacitance < 4uF  ----------  Measuring time is about 2seconds

Measuring capacitance < 40uF  ----------  Measuring time is about 7seconds

Measuring capacitance < 100uF  ----------  Measuring time is about 15seconds

6-5  Frequency Measurement

DANGER

● To avoid the danger of getting electrical shocks, never make measurement on a circuit over 600V AC/DC. (electrical potential to ground 300V AC/DC)

● Do not operate the Function Selector Switch during measurement.

● Do not make measurement when opening the battery cover and the instrument case.

(1) Insert the black test lead plug into COM terminal and the red test lead plug into the VΩHz terminal.

(2) Set the Function Selector Switch to "Hz" position.(Then, "Auto" and "Hz" symbols are indicated on the display.)

(3) Connect the test leads to the circuit under test.

Measured value is indicated on the display.

Frequency can be measured at ACV and ACA functions by pressing "Hz/DUTY" key. 

Concerning with the direction for use of "Hz/ DUTY" key, please reference to the section 7-6 Hz/DUTY in this document.

Note)  The minimum input can be measured is approx. 1.5V.

To measure a frequency, measure the voltage on the electrical circuit in advance. Then press the "Hz/DUTY" key to enter into frequency measurement. 

Readings of frequency may fluctuate or be influenced under noisy environment. 

― 19 ―

Содержание KEW 1012

Страница 1: ...KEW 1012 AUTO RANGE DIGITAL MULTIMETER KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD INSTRUCTION MANUAL...

Страница 2: ...n the manual DANGER is reserved for conditions and actions that are likely to cause serious or fatal injury WARNING is reserved for conditions and actions that can cause serious or fatal injury CAUTIO...

Страница 3: ...quipment which is supplied power from a distribution board and cable run from a distribution board to an outlet 2 Features This instrument KEW1012 is a Digital Multimeter which designed for making mea...

Страница 4: ...600V DC or AC rms Note Forward DC current approx 0 4mA Reversed DC voltage approx 2 8V Open circuit voltage approx 0 5V Test condition Note It can not display bar graph on capacitance range It can not...

Страница 5: ...ss than 90 Insulation Resistance It should be more than 100M DC1000V between electrical circuit and enclosures Withstand Voltage It should be more than AC3700V for one minute between electrical circui...

Страница 6: ...the instrument case 6 1 1 DC Voltage Measurement DCV 1 Insert the black test lead plug into the COM terminal and the red test lead plug into the V Hz terminal 2 Set the Function Selector Switch to pos...

Страница 7: ...e circuit 5 Power on the circuit under test 6 Measured value is indicated on the display If you connect the test leads the other polarity symbol is indicated on the display 6 2 2 DC Current Measuremen...

Страница 8: ...e sure that the O L symbol is indicated on the display at this bout then short the test lead tips and check 0 is indicated on the display 3 Connect the test leads to both ends of the resistance under...

Страница 9: ...ed on the display Measuring unit nF uF is automatically chosen and indicated due to the measured value Note It may take some time according to the measuring capacitance Measuring capacitance 4uF Measu...

Страница 10: ...uto ranging there are following 2ways 1 Press RANGE Key for 2seconds 2 Change to the other functions 7 4 REL Key The difference between measured values can be indicated on the display at each ACV DCV...

Страница 11: ...e to remove test leads from the instrument when opening the battery cover in order to replace batteries and fuses 9 1 Battery replacement 1 Remove test leads from the instrument 2 Remove the holster f...

Страница 12: ...92 1825C KEW 1012 Kyoritsu reserves the rights to change specifications or Designs described in this manual without notice and without obligations DISTRIBUTOR...

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