UEi DM391 Скачать руководство пользователя страница 1 | Manualshive

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1-800-547-5740 • Fax: (503) 643-6322

www.ueitest.com • email: [email protected]

DM391/393

INSTRUCTION MANUAL

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Содержание DM391

Страница 1: ...1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com DM391 393 INSTRUCTION MANUAL...

Страница 2: ...user to serious or possibly fatal injury Voltages above 60 volts DC or 25 volts AC may constitute a serious shock hazard Always turn off power to a circuit or assembly under test before cutting unsold...

Страница 3: ...Press the HOLD push button for two seconds to turn the backlight ON or OFF when the HOLD function is simultaneously activated with the D H symbol on the display Press the HOLD push button momentarily...

Страница 4: ...0 V DC or AC RMS Resistance Measurement Ohms Diode and Continuity DM391 393 MAN P 3 WARNING To avoid damaging the meter or the equipment under test remove all power from the circuit and discharge all...

Страница 5: ...or current signal by counting the number of times the signal crosses a threshold level each second To measure the frequency of a voltage or current signal press the Hz Duty push button momentarily wh...

Страница 6: ...current Use the proper terminals functions and range for current measurements Never place the probes in parallel with any circuit or component when the test leads are plugged into the current termina...

Страница 7: ...n circuit In this case the series fusible resistors and the spark gaps should be replaced by qualified personnel Refer to the LIMITED WARRANTY LIMITATIONS OF LIABILITY section for obtaining warranty o...

Страница 8: ...temperature 32 to 104 F 0 to 40 C Storage temperature 4 to 140 F 20 to 60 C Temperature coefficient Nominal 0 15 x specified accuracy C 0 to 8 C or 28 to 40 C or otherwise specified Relative humidity...

Страница 9: ...400mA 100 A 4A 1mA 10A 10mA 1 5 10 1 5 10 2 0 10 Range Resolution Accuracy DM391 DM393 400 0 1 1 0 5 1 0 5 4000 1 40k 10 400k 100 0 5 3 0 5 3 4M 1k 1 0 5 1 0 5 10M 10k 1 5 10 1 5 10 Audible threshold...

Страница 10: ...taneous peak value to the True RMS value which is commonly used to define the dynamic range of a True DMM A pure sinusoidal waveform has a Crest Factor of 1 414 A badly distorted sinusoidal waveform n...

Страница 11: ...ited to implied warranties of merchantability and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or...

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