Please tell me about the internal resistance of analog testers.
QThe specifications of the HiTester 3030-10 and Multi Tester 3008 indicate an internal resistance of 20 kΩ/V. Please tell me about the effects of the tester’s internal resistance.
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Display of measurement data in a format such as “1.05E+02”
QWhen I used Excel to view measurement data recorded onto a PC card with a clamp-on power meter, the voltage U1 was displayed in a format such as “1.05E+02.”
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Loss due to the instrument connection method
QDo measured values vary with the power meter connection?
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Differences between the 3390 and 3390-10
QHow do the functions of the 3390 and 3390-10 differ?
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How do I record a 4 to 20 mA instrumentation signal?
QI’d like to record a 4 to 20 mA measurement signal with my Memory HiLogger, but the instrument lacks a suitable measurement range. Is there a method I can use to record this signal?
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Difference between a Memory HiCorder’s maximum rated voltage to earth and its maximum input voltage
QIn the specifications for a Memory HiCorder input unit, a maximum rated voltage to earth as well as a maximum input voltage are listed. What is the difference between these two characteristics?
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How can the 3665 measure LAN cable length?
QHow is cord length measured?
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The polarity (+/-) was reversed when I made a measurement using the resistance range. Is the instrument broken?
QI have a question about an analog tester. The polarity (+/-) is reversed when performing measurements with the resistance range. Why is this? Wouldn’t this invite mistakes, for example when checking diode polarity?
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Inability to start a withstanding test
QWhen I try to start the test, measurement does not start.
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Infrared thermometer measurable temperature range
QHow far away can an infrared thermometer take readings?
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