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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Current dependency and voltage dependency
QWhat can you tell me about sample current and voltage dependency?
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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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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?
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New standard for test probes
QI heard that the IEC 61010 international safety standard for measuring instruments has been revised. What has changed?
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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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Clamp sensor voltage to earth
QThe specifications for the Clamp On Leak HiTester 3283 indicate a maximum rated voltage to earth of 300 V rms AC (insulated conductor) (CAT III, 300 V). Can the 3283 be used to measure a 3-phase 400 V circuit?
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