Differences between the 3390 and 3390-10
QHow do the functions of the 3390 and 3390-10 differ?
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I’m unable to use USB communications with the LR8431.
QI purchased an LR8431, installed the Logger Utility, and connected the instrument to my computer with a USB cable, but the computer won’t recognize the LR8431.
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Is HIOKI’s optional PC card the only one I can use?
QCan I use any company’s PC card in my HIOKI power meter or Memory HiCorder?
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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?
A
Measurement of the secondary side of an inverter
QWhat type of instrument should I use to measure an inverter’s current and voltage?
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What is the filter function?
QWhen should the filter function provided by the 3282 and 3293-50 be used?
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3281 peak hold function
QThe 3281 and 3282 also have a peak function. Is it possible to capture the crest value for a rush current as with the 3284 and 3285?
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Measured values on my insulation resistance meter vary. What might be causing this?
Q
A
The digital insulation resistance meter I’m using displayed “OF.”
QWhat does this mean?
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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?
A