Measured values on my insulation resistance meter vary. What might be causing this?
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The digital insulation resistance meter I’m using displayed “OF.”
QWhat does this mean?
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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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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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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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What is the filter function?
QWhen should the filter function provided by the 3282 and 3293-50 be used?
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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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